Merge tag 'upstream/0.23.5'

Upstream version 0.23.5
author: Jörg Frings-Fürst <debian@jff-webhosting.net> 2016-08-20 15:11:08 +0200
committer: Jörg Frings-Fürst <debian@jff-webhosting.net> 2016-08-20 15:11:08 +0200
commit: cb612a12b952e349b96d427645aaeb55d15f509a (patch)
tree: f29298f41d2a7ea2a976616243aca64c2c2547ce /src/threads
parent: e7be93745e4a2ff3aa255227bef7b9d3b733aafa (diff)
parent: 143bfc9f801c84428074312d661f8e08803df83b (diff)
5 files changed, 4172 insertions, 30 deletions
diff --git a/src/threads/BackgroundJob.c b/src/threads/BackgroundJob.c
new file mode 100644
index 0000000..94c8745
--- /dev/null
+++ b/src/threads/BackgroundJob.c
@@ -0,0 +1,1911 @@
+/* BackgroundJob.c generated by valac 0.32.1, the Vala compiler
+ * generated from BackgroundJob.vala, do not modify */
+
+/* Copyright 2016 Software Freedom Conservancy Inc.
+ *
+ * This software is licensed under the GNU LGPL (version 2.1 or later).
+ * See the COPYING file in this distribution.
+ */
+/* This callback is executed when an associated BackgroundJob completes.  It is called from within*/
+/* the Gtk event loop, *not* the background thread's context.*/
+
+#include <glib.h>
+#include <glib-object.h>
+#include <gio/gio.h>
+#include <gee.h>
+#include <gobject/gvaluecollector.h>
+
+
+#define TYPE_BACKGROUND_JOB (background_job_get_type ())
+#define BACKGROUND_JOB(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_BACKGROUND_JOB, BackgroundJob))
+#define BACKGROUND_JOB_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_BACKGROUND_JOB, BackgroundJobClass))
+#define IS_BACKGROUND_JOB(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_BACKGROUND_JOB))
+#define IS_BACKGROUND_JOB_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_BACKGROUND_JOB))
+#define BACKGROUND_JOB_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_BACKGROUND_JOB, BackgroundJobClass))
+
+typedef struct _BackgroundJob BackgroundJob;
+typedef struct _BackgroundJobClass BackgroundJobClass;
+
+#define TYPE_NOTIFICATION_OBJECT (notification_object_get_type ())
+#define NOTIFICATION_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_NOTIFICATION_OBJECT, NotificationObject))
+#define NOTIFICATION_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_NOTIFICATION_OBJECT, NotificationObjectClass))
+#define IS_NOTIFICATION_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_NOTIFICATION_OBJECT))
+#define IS_NOTIFICATION_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_NOTIFICATION_OBJECT))
+#define NOTIFICATION_OBJECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_NOTIFICATION_OBJECT, NotificationObjectClass))
+
+typedef struct _NotificationObject NotificationObject;
+typedef struct _NotificationObjectClass NotificationObjectClass;
+typedef struct _NotificationObjectPrivate NotificationObjectPrivate;
+typedef struct _ParamSpecNotificationObject ParamSpecNotificationObject;
+
+#define TYPE_INTERLOCKED_NOTIFICATION_OBJECT (interlocked_notification_object_get_type ())
+#define INTERLOCKED_NOTIFICATION_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_INTERLOCKED_NOTIFICATION_OBJECT, InterlockedNotificationObject))
+#define INTERLOCKED_NOTIFICATION_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_INTERLOCKED_NOTIFICATION_OBJECT, InterlockedNotificationObjectClass))
+#define IS_INTERLOCKED_NOTIFICATION_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_INTERLOCKED_NOTIFICATION_OBJECT))
+#define IS_INTERLOCKED_NOTIFICATION_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_INTERLOCKED_NOTIFICATION_OBJECT))
+#define INTERLOCKED_NOTIFICATION_OBJECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_INTERLOCKED_NOTIFICATION_OBJECT, InterlockedNotificationObjectClass))
+
+typedef struct _InterlockedNotificationObject InterlockedNotificationObject;
+typedef struct _InterlockedNotificationObjectClass InterlockedNotificationObjectClass;
+typedef struct _InterlockedNotificationObjectPrivate InterlockedNotificationObjectPrivate;
+
+#define TYPE_ABSTRACT_SEMAPHORE (abstract_semaphore_get_type ())
+#define ABSTRACT_SEMAPHORE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_ABSTRACT_SEMAPHORE, AbstractSemaphore))
+#define ABSTRACT_SEMAPHORE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_ABSTRACT_SEMAPHORE, AbstractSemaphoreClass))
+#define IS_ABSTRACT_SEMAPHORE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_ABSTRACT_SEMAPHORE))
+#define IS_ABSTRACT_SEMAPHORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_ABSTRACT_SEMAPHORE))
+#define ABSTRACT_SEMAPHORE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_ABSTRACT_SEMAPHORE, AbstractSemaphoreClass))
+
+typedef struct _AbstractSemaphore AbstractSemaphore;
+typedef struct _AbstractSemaphoreClass AbstractSemaphoreClass;
+
+#define TYPE_SEMAPHORE (semaphore_get_type ())
+#define SEMAPHORE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_SEMAPHORE, Semaphore))
+#define SEMAPHORE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_SEMAPHORE, SemaphoreClass))
+#define IS_SEMAPHORE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_SEMAPHORE))
+#define IS_SEMAPHORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_SEMAPHORE))
+#define SEMAPHORE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_SEMAPHORE, SemaphoreClass))
+
+typedef struct _Semaphore Semaphore;
+typedef struct _SemaphoreClass SemaphoreClass;
+#define _abstract_semaphore_unref0(var) ((var == NULL) ? NULL : (var = (abstract_semaphore_unref (var), NULL)))
+typedef struct _BackgroundJobPrivate BackgroundJobPrivate;
+
+#define BACKGROUND_JOB_TYPE_JOB_PRIORITY (background_job_job_priority_get_type ())
+
+#define BACKGROUND_JOB_TYPE_NOTIFICATION_JOB (background_job_notification_job_get_type ())
+#define BACKGROUND_JOB_NOTIFICATION_JOB(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), BACKGROUND_JOB_TYPE_NOTIFICATION_JOB, BackgroundJobNotificationJob))
+#define BACKGROUND_JOB_NOTIFICATION_JOB_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), BACKGROUND_JOB_TYPE_NOTIFICATION_JOB, BackgroundJobNotificationJobClass))
+#define BACKGROUND_JOB_IS_NOTIFICATION_JOB(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), BACKGROUND_JOB_TYPE_NOTIFICATION_JOB))
+#define BACKGROUND_JOB_IS_NOTIFICATION_JOB_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), BACKGROUND_JOB_TYPE_NOTIFICATION_JOB))
+#define BACKGROUND_JOB_NOTIFICATION_JOB_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), BACKGROUND_JOB_TYPE_NOTIFICATION_JOB, BackgroundJobNotificationJobClass))
+
+typedef struct _BackgroundJobNotificationJob BackgroundJobNotificationJob;
+typedef struct _BackgroundJobNotificationJobClass BackgroundJobNotificationJobClass;
+#define _g_object_unref0(var) ((var == NULL) ? NULL : (var = (g_object_unref (var), NULL)))
+#define _background_job_unref0(var) ((var == NULL) ? NULL : (var = (background_job_unref (var), NULL)))
+#define _background_job_notification_job_unref0(var) ((var == NULL) ? NULL : (var = (background_job_notification_job_unref (var), NULL)))
+#define _notification_object_unref0(var) ((var == NULL) ? NULL : (var = (notification_object_unref (var), NULL)))
+typedef struct _BackgroundJobNotificationJobPrivate BackgroundJobNotificationJobPrivate;
+typedef struct _BackgroundJobParamSpecNotificationJob BackgroundJobParamSpecNotificationJob;
+typedef struct _ParamSpecBackgroundJob ParamSpecBackgroundJob;
+#define _vala_assert(expr, msg) if G_LIKELY (expr) ; else g_assertion_message_expr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, msg);
+#define _vala_return_if_fail(expr, msg) if G_LIKELY (expr) ; else { g_return_if_fail_warning (G_LOG_DOMAIN, G_STRFUNC, msg); return; }
+#define _vala_return_val_if_fail(expr, msg, val) if G_LIKELY (expr) ; else { g_return_if_fail_warning (G_LOG_DOMAIN, G_STRFUNC, msg); return val; }
+#define _vala_warn_if_fail(expr, msg) if G_LIKELY (expr) ; else g_warn_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, msg);
+
+typedef void (*CompletionCallback) (BackgroundJob* job, void* user_data);
+typedef void (*CancellationCallback) (BackgroundJob* job, void* user_data);
+struct _NotificationObject {
+	GTypeInstance parent_instance;
+	volatile int ref_count;
+	NotificationObjectPrivate * priv;
+};
+
+struct _NotificationObjectClass {
+	GTypeClass parent_class;
+	void (*finalize) (NotificationObject *self);
+};
+
+struct _ParamSpecNotificationObject {
+	GParamSpec parent_instance;
+};
+
+struct _InterlockedNotificationObject {
+	NotificationObject parent_instance;
+	InterlockedNotificationObjectPrivate * priv;
+};
+
+struct _InterlockedNotificationObjectClass {
+	NotificationObjectClass parent_class;
+};
+
+struct _InterlockedNotificationObjectPrivate {
+	Semaphore* semaphore;
+};
+
+typedef void (*NotificationCallback) (BackgroundJob* job, NotificationObject* user, void* user_data);
+typedef enum  {
+	BACKGROUND_JOB_JOB_PRIORITY_HIGHEST = 100,
+	BACKGROUND_JOB_JOB_PRIORITY_HIGH = 75,
+	BACKGROUND_JOB_JOB_PRIORITY_NORMAL = 50,
+	BACKGROUND_JOB_JOB_PRIORITY_LOW = 25,
+	BACKGROUND_JOB_JOB_PRIORITY_LOWEST = 0
+} BackgroundJobJobPriority;
+
+struct _BackgroundJob {
+	GTypeInstance parent_instance;
+	volatile int ref_count;
+	BackgroundJobPrivate * priv;
+};
+
+struct _BackgroundJobClass {
+	GTypeClass parent_class;
+	void (*finalize) (BackgroundJob *self);
+	void (*execute) (BackgroundJob* self);
+	BackgroundJobJobPriority (*get_priority) (BackgroundJob* self);
+};
+
+struct _BackgroundJobPrivate {
+	GObject* owner;
+	CompletionCallback callback;
+	gpointer callback_target;
+	GCancellable* cancellable;
+	CancellationCallback cancellation;
+	gpointer cancellation_target;
+	BackgroundJob* self;
+	AbstractSemaphore* semaphore;
+	gint completion_priority;
+	gint notification_priority;
+};
+
+struct _BackgroundJobNotificationJob {
+	GTypeInstance parent_instance;
+	volatile int ref_count;
+	BackgroundJobNotificationJobPrivate * priv;
+	NotificationCallback callback;
+	gpointer callback_target;
+	BackgroundJob* background_job;
+	NotificationObject* user;
+};
+
+struct _BackgroundJobNotificationJobClass {
+	GTypeClass parent_class;
+	void (*finalize) (BackgroundJobNotificationJob *self);
+};
+
+struct _BackgroundJobParamSpecNotificationJob {
+	GParamSpec parent_instance;
+};
+
+struct _ParamSpecBackgroundJob {
+	GParamSpec parent_instance;
+};
+
+
+static gpointer notification_object_parent_class = NULL;
+static gpointer interlocked_notification_object_parent_class = NULL;
+static gpointer background_job_parent_class = NULL;
+static GeeArrayList* background_job_notify_queue;
+static GRecMutex __lock_background_job_notify_queue = {0};
+static GeeArrayList* background_job_notify_queue = NULL;
+static gpointer background_job_notification_job_parent_class = NULL;
+
+gpointer background_job_ref (gpointer instance);
+void background_job_unref (gpointer instance);
+GParamSpec* param_spec_background_job (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags);
+void value_set_background_job (GValue* value, gpointer v_object);
+void value_take_background_job (GValue* value, gpointer v_object);
+gpointer value_get_background_job (const GValue* value);
+GType background_job_get_type (void) G_GNUC_CONST;
+gpointer notification_object_ref (gpointer instance);
+void notification_object_unref (gpointer instance);
+GParamSpec* param_spec_notification_object (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags);
+void value_set_notification_object (GValue* value, gpointer v_object);
+void value_take_notification_object (GValue* value, gpointer v_object);
+gpointer value_get_notification_object (const GValue* value);
+GType notification_object_get_type (void) G_GNUC_CONST;
+enum  {
+	NOTIFICATION_OBJECT_DUMMY_PROPERTY
+};
+NotificationObject* notification_object_construct (GType object_type);
+static void notification_object_finalize (NotificationObject* obj);
+GType interlocked_notification_object_get_type (void) G_GNUC_CONST;
+gpointer abstract_semaphore_ref (gpointer instance);
+void abstract_semaphore_unref (gpointer instance);
+GParamSpec* param_spec_abstract_semaphore (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags);
+void value_set_abstract_semaphore (GValue* value, gpointer v_object);
+void value_take_abstract_semaphore (GValue* value, gpointer v_object);
+gpointer value_get_abstract_semaphore (const GValue* value);
+GType abstract_semaphore_get_type (void) G_GNUC_CONST;
+GType semaphore_get_type (void) G_GNUC_CONST;
+#define INTERLOCKED_NOTIFICATION_OBJECT_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TYPE_INTERLOCKED_NOTIFICATION_OBJECT, InterlockedNotificationObjectPrivate))
+enum  {
+	INTERLOCKED_NOTIFICATION_OBJECT_DUMMY_PROPERTY
+};
+Semaphore* semaphore_new (void);
+Semaphore* semaphore_construct (GType object_type);
+void interlocked_notification_object_internal_wait_for_completion (InterlockedNotificationObject* self);
+void abstract_semaphore_wait (AbstractSemaphore* self);
+void interlocked_notification_object_internal_completed (InterlockedNotificationObject* self);
+void abstract_semaphore_notify (AbstractSemaphore* self);
+InterlockedNotificationObject* interlocked_notification_object_construct (GType object_type);
+static void interlocked_notification_object_finalize (NotificationObject* obj);
+GType background_job_job_priority_get_type (void) G_GNUC_CONST;
+#define BACKGROUND_JOB_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TYPE_BACKGROUND_JOB, BackgroundJobPrivate))
+enum  {
+	BACKGROUND_JOB_DUMMY_PROPERTY
+};
+gint background_job_job_priority_compare (BackgroundJobJobPriority self, BackgroundJobJobPriority other);
+gint background_job_job_priority_compare_func (void* a, void* b);
+static gpointer background_job_notification_job_ref (gpointer instance);
+static void background_job_notification_job_unref (gpointer instance);
+static GParamSpec* background_job_param_spec_notification_job (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) G_GNUC_UNUSED;
+static void background_job_value_set_notification_job (GValue* value, gpointer v_object) G_GNUC_UNUSED;
+static void background_job_value_take_notification_job (GValue* value, gpointer v_object) G_GNUC_UNUSED;
+static gpointer background_job_value_get_notification_job (const GValue* value) G_GNUC_UNUSED;
+static GType background_job_notification_job_get_type (void) G_GNUC_CONST G_GNUC_UNUSED;
+BackgroundJob* background_job_construct (GType object_type, GObject* owner, CompletionCallback callback, void* callback_target, GCancellable* cancellable, CancellationCallback cancellation, void* cancellation_target, AbstractSemaphore* completion_semaphore);
+void background_job_execute (BackgroundJob* self);
+static void background_job_real_execute (BackgroundJob* self);
+BackgroundJobJobPriority background_job_get_priority (BackgroundJob* self);
+static BackgroundJobJobPriority background_job_real_get_priority (BackgroundJob* self);
+gint background_job_priority_compare_func (BackgroundJob* a, BackgroundJob* b);
+gint64 background_job_priority_comparator (void* a, void* b);
+void background_job_set_completion_priority (BackgroundJob* self, gint priority);
+void background_job_set_notification_priority (BackgroundJob* self, gint priority);
+void background_job_wait_for_completion (BackgroundJob* self);
+GCancellable* background_job_get_cancellable (BackgroundJob* self);
+gboolean background_job_is_cancelled (BackgroundJob* self);
+void background_job_cancel (BackgroundJob* self);
+void background_job_internal_notify_completion (BackgroundJob* self);
+static gboolean background_job_on_notify_completion (BackgroundJob* self);
+static gboolean _background_job_on_notify_completion_gsource_func (gpointer self);
+void background_job_notify (BackgroundJob* self, NotificationCallback callback, void* callback_target, NotificationObject* user);
+static BackgroundJobNotificationJob* background_job_notification_job_new (NotificationCallback callback, void* callback_target, BackgroundJob* background_job, NotificationObject* user);
+static BackgroundJobNotificationJob* background_job_notification_job_construct (GType object_type, NotificationCallback callback, void* callback_target, BackgroundJob* background_job, NotificationObject* user);
+static gboolean background_job_on_notification_ready (BackgroundJob* self);
+static gboolean _background_job_on_notification_ready_gsource_func (gpointer self);
+enum  {
+	BACKGROUND_JOB_NOTIFICATION_JOB_DUMMY_PROPERTY
+};
+static void background_job_notification_job_finalize (BackgroundJobNotificationJob* obj);
+static void background_job_finalize (BackgroundJob* obj);
+
+
+NotificationObject* notification_object_construct (GType object_type) {
+	NotificationObject* self = NULL;
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self = (NotificationObject*) g_type_create_instance (object_type);
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return self;
+#line 283 "BackgroundJob.c"
+}
+
+
+static void value_notification_object_init (GValue* value) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	value->data[0].v_pointer = NULL;
+#line 290 "BackgroundJob.c"
+}
+
+
+static void value_notification_object_free_value (GValue* value) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (value->data[0].v_pointer) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		notification_object_unref (value->data[0].v_pointer);
+#line 299 "BackgroundJob.c"
+	}
+}
+
+
+static void value_notification_object_copy_value (const GValue* src_value, GValue* dest_value) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (src_value->data[0].v_pointer) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		dest_value->data[0].v_pointer = notification_object_ref (src_value->data[0].v_pointer);
+#line 309 "BackgroundJob.c"
+	} else {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		dest_value->data[0].v_pointer = NULL;
+#line 313 "BackgroundJob.c"
+	}
+}
+
+
+static gpointer value_notification_object_peek_pointer (const GValue* value) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return value->data[0].v_pointer;
+#line 321 "BackgroundJob.c"
+}
+
+
+static gchar* value_notification_object_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (collect_values[0].v_pointer) {
+#line 328 "BackgroundJob.c"
+		NotificationObject* object;
+		object = collect_values[0].v_pointer;
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		if (object->parent_instance.g_class == NULL) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+#line 335 "BackgroundJob.c"
+		} else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+#line 339 "BackgroundJob.c"
+		}
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		value->data[0].v_pointer = notification_object_ref (object);
+#line 343 "BackgroundJob.c"
+	} else {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		value->data[0].v_pointer = NULL;
+#line 347 "BackgroundJob.c"
+	}
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return NULL;
+#line 351 "BackgroundJob.c"
+}
+
+
+static gchar* value_notification_object_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	NotificationObject** object_p;
+	object_p = collect_values[0].v_pointer;
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (!object_p) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
+#line 362 "BackgroundJob.c"
+	}
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (!value->data[0].v_pointer) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		*object_p = NULL;
+#line 368 "BackgroundJob.c"
+	} else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		*object_p = value->data[0].v_pointer;
+#line 372 "BackgroundJob.c"
+	} else {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		*object_p = notification_object_ref (value->data[0].v_pointer);
+#line 376 "BackgroundJob.c"
+	}
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return NULL;
+#line 380 "BackgroundJob.c"
+}
+
+
+GParamSpec* param_spec_notification_object (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
+	ParamSpecNotificationObject* spec;
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_val_if_fail (g_type_is_a (object_type, TYPE_NOTIFICATION_OBJECT), NULL);
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	G_PARAM_SPEC (spec)->value_type = object_type;
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return G_PARAM_SPEC (spec);
+#line 394 "BackgroundJob.c"
+}
+
+
+gpointer value_get_notification_object (const GValue* value) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_NOTIFICATION_OBJECT), NULL);
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return value->data[0].v_pointer;
+#line 403 "BackgroundJob.c"
+}
+
+
+void value_set_notification_object (GValue* value, gpointer v_object) {
+	NotificationObject* old;
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_NOTIFICATION_OBJECT));
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	old = value->data[0].v_pointer;
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (v_object) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_NOTIFICATION_OBJECT));
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		value->data[0].v_pointer = v_object;
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		notification_object_ref (value->data[0].v_pointer);
+#line 423 "BackgroundJob.c"
+	} else {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		value->data[0].v_pointer = NULL;
+#line 427 "BackgroundJob.c"
+	}
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (old) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		notification_object_unref (old);
+#line 433 "BackgroundJob.c"
+	}
+}
+
+
+void value_take_notification_object (GValue* value, gpointer v_object) {
+	NotificationObject* old;
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_NOTIFICATION_OBJECT));
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	old = value->data[0].v_pointer;
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (v_object) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_NOTIFICATION_OBJECT));
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		value->data[0].v_pointer = v_object;
+#line 452 "BackgroundJob.c"
+	} else {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		value->data[0].v_pointer = NULL;
+#line 456 "BackgroundJob.c"
+	}
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (old) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		notification_object_unref (old);
+#line 462 "BackgroundJob.c"
+	}
+}
+
+
+static void notification_object_class_init (NotificationObjectClass * klass) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	notification_object_parent_class = g_type_class_peek_parent (klass);
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	((NotificationObjectClass *) klass)->finalize = notification_object_finalize;
+#line 472 "BackgroundJob.c"
+}
+
+
+static void notification_object_instance_init (NotificationObject * self) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->ref_count = 1;
+#line 479 "BackgroundJob.c"
+}
+
+
+static void notification_object_finalize (NotificationObject* obj) {
+	NotificationObject * self;
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self = G_TYPE_CHECK_INSTANCE_CAST (obj, TYPE_NOTIFICATION_OBJECT, NotificationObject);
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_signal_handlers_destroy (self);
+#line 489 "BackgroundJob.c"
+}
+
+
+GType notification_object_get_type (void) {
+	static volatile gsize notification_object_type_id__volatile = 0;
+	if (g_once_init_enter (&notification_object_type_id__volatile)) {
+		static const GTypeValueTable g_define_type_value_table = { value_notification_object_init, value_notification_object_free_value, value_notification_object_copy_value, value_notification_object_peek_pointer, "p", value_notification_object_collect_value, "p", value_notification_object_lcopy_value };
+		static const GTypeInfo g_define_type_info = { sizeof (NotificationObjectClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) notification_object_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (NotificationObject), 0, (GInstanceInitFunc) notification_object_instance_init, &g_define_type_value_table };
+		static const GTypeFundamentalInfo g_define_type_fundamental_info = { (G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
+		GType notification_object_type_id;
+		notification_object_type_id = g_type_register_fundamental (g_type_fundamental_next (), "NotificationObject", &g_define_type_info, &g_define_type_fundamental_info, G_TYPE_FLAG_ABSTRACT);
+		g_once_init_leave (&notification_object_type_id__volatile, notification_object_type_id);
+	}
+	return notification_object_type_id__volatile;
+}
+
+
+gpointer notification_object_ref (gpointer instance) {
+	NotificationObject* self;
+	self = instance;
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_atomic_int_inc (&self->ref_count);
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return instance;
+#line 514 "BackgroundJob.c"
+}
+
+
+void notification_object_unref (gpointer instance) {
+	NotificationObject* self;
+	self = instance;
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (g_atomic_int_dec_and_test (&self->ref_count)) {
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		NOTIFICATION_OBJECT_GET_CLASS (self)->finalize (self);
+#line 34 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		g_type_free_instance ((GTypeInstance *) self);
+#line 527 "BackgroundJob.c"
+	}
+}
+
+
+void interlocked_notification_object_internal_wait_for_completion (InterlockedNotificationObject* self) {
+	Semaphore* _tmp0_ = NULL;
+#line 41 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_if_fail (IS_INTERLOCKED_NOTIFICATION_OBJECT (self));
+#line 42 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp0_ = self->priv->semaphore;
+#line 42 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	abstract_semaphore_wait (G_TYPE_CHECK_INSTANCE_CAST (_tmp0_, TYPE_ABSTRACT_SEMAPHORE, AbstractSemaphore));
+#line 540 "BackgroundJob.c"
+}
+
+
+void interlocked_notification_object_internal_completed (InterlockedNotificationObject* self) {
+	Semaphore* _tmp0_ = NULL;
+#line 46 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_if_fail (IS_INTERLOCKED_NOTIFICATION_OBJECT (self));
+#line 47 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp0_ = self->priv->semaphore;
+#line 47 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	abstract_semaphore_notify (G_TYPE_CHECK_INSTANCE_CAST (_tmp0_, TYPE_ABSTRACT_SEMAPHORE, AbstractSemaphore));
+#line 552 "BackgroundJob.c"
+}
+
+
+InterlockedNotificationObject* interlocked_notification_object_construct (GType object_type) {
+	InterlockedNotificationObject* self = NULL;
+#line 37 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self = (InterlockedNotificationObject*) notification_object_construct (object_type);
+#line 37 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return self;
+#line 562 "BackgroundJob.c"
+}
+
+
+static void interlocked_notification_object_class_init (InterlockedNotificationObjectClass * klass) {
+#line 37 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	interlocked_notification_object_parent_class = g_type_class_peek_parent (klass);
+#line 37 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	((NotificationObjectClass *) klass)->finalize = interlocked_notification_object_finalize;
+#line 37 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_type_class_add_private (klass, sizeof (InterlockedNotificationObjectPrivate));
+#line 573 "BackgroundJob.c"
+}
+
+
+static void interlocked_notification_object_instance_init (InterlockedNotificationObject * self) {
+	Semaphore* _tmp0_ = NULL;
+#line 37 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->priv = INTERLOCKED_NOTIFICATION_OBJECT_GET_PRIVATE (self);
+#line 38 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp0_ = semaphore_new ();
+#line 38 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->priv->semaphore = _tmp0_;
+#line 585 "BackgroundJob.c"
+}
+
+
+static void interlocked_notification_object_finalize (NotificationObject* obj) {
+	InterlockedNotificationObject * self;
+#line 37 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self = G_TYPE_CHECK_INSTANCE_CAST (obj, TYPE_INTERLOCKED_NOTIFICATION_OBJECT, InterlockedNotificationObject);
+#line 38 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_abstract_semaphore_unref0 (self->priv->semaphore);
+#line 37 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	NOTIFICATION_OBJECT_CLASS (interlocked_notification_object_parent_class)->finalize (obj);
+#line 597 "BackgroundJob.c"
+}
+
+
+GType interlocked_notification_object_get_type (void) {
+	static volatile gsize interlocked_notification_object_type_id__volatile = 0;
+	if (g_once_init_enter (&interlocked_notification_object_type_id__volatile)) {
+		static const GTypeInfo g_define_type_info = { sizeof (InterlockedNotificationObjectClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) interlocked_notification_object_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (InterlockedNotificationObject), 0, (GInstanceInitFunc) interlocked_notification_object_instance_init, NULL };
+		GType interlocked_notification_object_type_id;
+		interlocked_notification_object_type_id = g_type_register_static (TYPE_NOTIFICATION_OBJECT, "InterlockedNotificationObject", &g_define_type_info, G_TYPE_FLAG_ABSTRACT);
+		g_once_init_leave (&interlocked_notification_object_type_id__volatile, interlocked_notification_object_type_id);
+	}
+	return interlocked_notification_object_type_id__volatile;
+}
+
+
+gint background_job_job_priority_compare (BackgroundJobJobPriority self, BackgroundJobJobPriority other) {
+	gint result = 0;
+	BackgroundJobJobPriority _tmp0_ = 0;
+#line 75 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp0_ = other;
+#line 75 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	result = ((gint) _tmp0_) - ((gint) self);
+#line 75 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return result;
+#line 622 "BackgroundJob.c"
+}
+
+
+gint background_job_job_priority_compare_func (void* a, void* b) {
+	gint result = 0;
+	void* _tmp0_ = NULL;
+	void* _tmp1_ = NULL;
+#line 79 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp0_ = b;
+#line 79 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp1_ = a;
+#line 79 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	result = ((gint) _tmp0_) - ((gint) _tmp1_);
+#line 79 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return result;
+#line 638 "BackgroundJob.c"
+}
+
+
+GType background_job_job_priority_get_type (void) {
+	static volatile gsize background_job_job_priority_type_id__volatile = 0;
+	if (g_once_init_enter (&background_job_job_priority_type_id__volatile)) {
+		static const GEnumValue values[] = {{BACKGROUND_JOB_JOB_PRIORITY_HIGHEST, "BACKGROUND_JOB_JOB_PRIORITY_HIGHEST", "highest"}, {BACKGROUND_JOB_JOB_PRIORITY_HIGH, "BACKGROUND_JOB_JOB_PRIORITY_HIGH", "high"}, {BACKGROUND_JOB_JOB_PRIORITY_NORMAL, "BACKGROUND_JOB_JOB_PRIORITY_NORMAL", "normal"}, {BACKGROUND_JOB_JOB_PRIORITY_LOW, "BACKGROUND_JOB_JOB_PRIORITY_LOW", "low"}, {BACKGROUND_JOB_JOB_PRIORITY_LOWEST, "BACKGROUND_JOB_JOB_PRIORITY_LOWEST", "lowest"}, {0, NULL, NULL}};
+		GType background_job_job_priority_type_id;
+		background_job_job_priority_type_id = g_enum_register_static ("BackgroundJobJobPriority", values);
+		g_once_init_leave (&background_job_job_priority_type_id__volatile, background_job_job_priority_type_id);
+	}
+	return background_job_job_priority_type_id__volatile;
+}
+
+
+static gpointer _g_object_ref0 (gpointer self) {
+#line 116 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return self ? g_object_ref (self) : NULL;
+#line 657 "BackgroundJob.c"
+}
+
+
+static gpointer _abstract_semaphore_ref0 (gpointer self) {
+#line 120 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return self ? abstract_semaphore_ref (self) : NULL;
+#line 664 "BackgroundJob.c"
+}
+
+
+BackgroundJob* background_job_construct (GType object_type, GObject* owner, CompletionCallback callback, void* callback_target, GCancellable* cancellable, CancellationCallback cancellation, void* cancellation_target, AbstractSemaphore* completion_semaphore) {
+	BackgroundJob* self = NULL;
+	GObject* _tmp0_ = NULL;
+	GObject* _tmp1_ = NULL;
+	CompletionCallback _tmp2_ = NULL;
+	void* _tmp2__target = NULL;
+	GCancellable* _tmp3_ = NULL;
+	GCancellable* _tmp4_ = NULL;
+	CancellationCallback _tmp5_ = NULL;
+	void* _tmp5__target = NULL;
+	AbstractSemaphore* _tmp6_ = NULL;
+	AbstractSemaphore* _tmp7_ = NULL;
+#line 113 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_val_if_fail ((owner == NULL) || G_IS_OBJECT (owner), NULL);
+#line 113 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_val_if_fail ((cancellable == NULL) || G_IS_CANCELLABLE (cancellable), NULL);
+#line 113 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_val_if_fail ((completion_semaphore == NULL) || IS_ABSTRACT_SEMAPHORE (completion_semaphore), NULL);
+#line 113 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self = (BackgroundJob*) g_type_create_instance (object_type);
+#line 116 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp0_ = owner;
+#line 116 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp1_ = _g_object_ref0 (_tmp0_);
+#line 116 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_g_object_unref0 (self->priv->owner);
+#line 116 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->priv->owner = _tmp1_;
+#line 117 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp2_ = callback;
+#line 117 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp2__target = callback_target;
+#line 117 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->priv->callback = _tmp2_;
+#line 117 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->priv->callback_target = _tmp2__target;
+#line 118 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp3_ = cancellable;
+#line 118 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp4_ = _g_object_ref0 (_tmp3_);
+#line 118 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_g_object_unref0 (self->priv->cancellable);
+#line 118 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->priv->cancellable = _tmp4_;
+#line 119 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp5_ = cancellation;
+#line 119 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp5__target = cancellation_target;
+#line 119 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->priv->cancellation = _tmp5_;
+#line 119 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->priv->cancellation_target = _tmp5__target;
+#line 120 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp6_ = completion_semaphore;
+#line 120 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp7_ = _abstract_semaphore_ref0 (_tmp6_);
+#line 120 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_abstract_semaphore_unref0 (self->priv->semaphore);
+#line 120 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->priv->semaphore = _tmp7_;
+#line 113 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return self;
+#line 730 "BackgroundJob.c"
+}
+
+
+static void background_job_real_execute (BackgroundJob* self) {
+#line 123 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_critical ("Type `%s' does not implement abstract method `background_job_execute'", g_type_name (G_TYPE_FROM_INSTANCE (self)));
+#line 123 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return;
+#line 739 "BackgroundJob.c"
+}
+
+
+void background_job_execute (BackgroundJob* self) {
+#line 123 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_if_fail (IS_BACKGROUND_JOB (self));
+#line 123 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	BACKGROUND_JOB_GET_CLASS (self)->execute (self);
+#line 748 "BackgroundJob.c"
+}
+
+
+static BackgroundJobJobPriority background_job_real_get_priority (BackgroundJob* self) {
+	BackgroundJobJobPriority result = 0;
+#line 126 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	result = BACKGROUND_JOB_JOB_PRIORITY_NORMAL;
+#line 126 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return result;
+#line 758 "BackgroundJob.c"
+}
+
+
+BackgroundJobJobPriority background_job_get_priority (BackgroundJob* self) {
+#line 125 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_val_if_fail (IS_BACKGROUND_JOB (self), 0);
+#line 125 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return BACKGROUND_JOB_GET_CLASS (self)->get_priority (self);
+#line 767 "BackgroundJob.c"
+}
+
+
+gint background_job_priority_compare_func (BackgroundJob* a, BackgroundJob* b) {
+	gint result = 0;
+	BackgroundJob* _tmp0_ = NULL;
+	BackgroundJobJobPriority _tmp1_ = 0;
+	BackgroundJob* _tmp2_ = NULL;
+	BackgroundJobJobPriority _tmp3_ = 0;
+	gint _tmp4_ = 0;
+#line 130 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_val_if_fail (IS_BACKGROUND_JOB (a), 0);
+#line 130 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_val_if_fail (IS_BACKGROUND_JOB (b), 0);
+#line 131 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp0_ = a;
+#line 131 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp1_ = background_job_get_priority (_tmp0_);
+#line 131 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp2_ = b;
+#line 131 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp3_ = background_job_get_priority (_tmp2_);
+#line 131 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp4_ = background_job_job_priority_compare (_tmp1_, _tmp3_);
+#line 131 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	result = _tmp4_;
+#line 131 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return result;
+#line 796 "BackgroundJob.c"
+}
+
+
+gint64 background_job_priority_comparator (void* a, void* b) {
+	gint64 result = 0LL;
+	void* _tmp0_ = NULL;
+	void* _tmp1_ = NULL;
+	gint _tmp2_ = 0;
+#line 136 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp0_ = a;
+#line 136 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp1_ = b;
+#line 136 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp2_ = background_job_priority_compare_func (G_TYPE_CHECK_INSTANCE_CAST (_tmp0_, TYPE_BACKGROUND_JOB, BackgroundJob), G_TYPE_CHECK_INSTANCE_CAST (_tmp1_, TYPE_BACKGROUND_JOB, BackgroundJob));
+#line 136 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	result = (gint64) _tmp2_;
+#line 136 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return result;
+#line 815 "BackgroundJob.c"
+}
+
+
+void background_job_set_completion_priority (BackgroundJob* self, gint priority) {
+	gint _tmp0_ = 0;
+#line 140 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_if_fail (IS_BACKGROUND_JOB (self));
+#line 141 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp0_ = priority;
+#line 141 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->priv->completion_priority = _tmp0_;
+#line 827 "BackgroundJob.c"
+}
+
+
+void background_job_set_notification_priority (BackgroundJob* self, gint priority) {
+	gint _tmp0_ = 0;
+#line 145 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_if_fail (IS_BACKGROUND_JOB (self));
+#line 146 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp0_ = priority;
+#line 146 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->priv->notification_priority = _tmp0_;
+#line 839 "BackgroundJob.c"
+}
+
+
+void background_job_wait_for_completion (BackgroundJob* self) {
+	AbstractSemaphore* _tmp0_ = NULL;
+#line 152 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_if_fail (IS_BACKGROUND_JOB (self));
+#line 153 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp0_ = self->priv->semaphore;
+#line 153 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (_tmp0_ != NULL) {
+#line 851 "BackgroundJob.c"
+		AbstractSemaphore* _tmp1_ = NULL;
+#line 154 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp1_ = self->priv->semaphore;
+#line 154 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		abstract_semaphore_wait (_tmp1_);
+#line 857 "BackgroundJob.c"
+	}
+}
+
+
+GCancellable* background_job_get_cancellable (BackgroundJob* self) {
+	GCancellable* result = NULL;
+	GCancellable* _tmp0_ = NULL;
+	GCancellable* _tmp1_ = NULL;
+#line 157 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_val_if_fail (IS_BACKGROUND_JOB (self), NULL);
+#line 158 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp0_ = self->priv->cancellable;
+#line 158 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp1_ = _g_object_ref0 (_tmp0_);
+#line 158 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	result = _tmp1_;
+#line 158 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return result;
+#line 876 "BackgroundJob.c"
+}
+
+
+gboolean background_job_is_cancelled (BackgroundJob* self) {
+	gboolean result = FALSE;
+	gboolean _tmp0_ = FALSE;
+	GCancellable* _tmp1_ = NULL;
+#line 161 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_val_if_fail (IS_BACKGROUND_JOB (self), FALSE);
+#line 162 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp1_ = self->priv->cancellable;
+#line 162 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (_tmp1_ != NULL) {
+#line 890 "BackgroundJob.c"
+		GCancellable* _tmp2_ = NULL;
+		gboolean _tmp3_ = FALSE;
+#line 162 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp2_ = self->priv->cancellable;
+#line 162 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp3_ = g_cancellable_is_cancelled (_tmp2_);
+#line 162 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp0_ = _tmp3_;
+#line 899 "BackgroundJob.c"
+	} else {
+#line 162 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp0_ = FALSE;
+#line 903 "BackgroundJob.c"
+	}
+#line 162 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	result = _tmp0_;
+#line 162 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return result;
+#line 909 "BackgroundJob.c"
+}
+
+
+void background_job_cancel (BackgroundJob* self) {
+	GCancellable* _tmp0_ = NULL;
+#line 165 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_if_fail (IS_BACKGROUND_JOB (self));
+#line 166 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp0_ = self->priv->cancellable;
+#line 166 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (_tmp0_ != NULL) {
+#line 921 "BackgroundJob.c"
+		GCancellable* _tmp1_ = NULL;
+#line 167 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp1_ = self->priv->cancellable;
+#line 167 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		g_cancellable_cancel (_tmp1_);
+#line 927 "BackgroundJob.c"
+	}
+}
+
+
+static gpointer _background_job_ref0 (gpointer self) {
+#line 183 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return self ? background_job_ref (self) : NULL;
+#line 935 "BackgroundJob.c"
+}
+
+
+static gboolean _background_job_on_notify_completion_gsource_func (gpointer self) {
+	gboolean result;
+	result = background_job_on_notify_completion ((BackgroundJob*) self);
+#line 185 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return result;
+#line 944 "BackgroundJob.c"
+}
+
+
+void background_job_internal_notify_completion (BackgroundJob* self) {
+	AbstractSemaphore* _tmp0_ = NULL;
+	gboolean _tmp2_ = FALSE;
+	CompletionCallback _tmp3_ = NULL;
+	void* _tmp3__target = NULL;
+	gboolean _tmp5_ = FALSE;
+	gboolean _tmp6_ = FALSE;
+	BackgroundJob* _tmp8_ = NULL;
+	gint _tmp9_ = 0;
+#line 171 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_if_fail (IS_BACKGROUND_JOB (self));
+#line 172 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp0_ = self->priv->semaphore;
+#line 172 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (_tmp0_ != NULL) {
+#line 963 "BackgroundJob.c"
+		AbstractSemaphore* _tmp1_ = NULL;
+#line 173 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp1_ = self->priv->semaphore;
+#line 173 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		abstract_semaphore_notify (_tmp1_);
+#line 969 "BackgroundJob.c"
+	}
+#line 175 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp3_ = self->priv->callback;
+#line 175 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp3__target = self->priv->callback_target;
+#line 175 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (_tmp3_ == NULL) {
+#line 977 "BackgroundJob.c"
+		CancellationCallback _tmp4_ = NULL;
+		void* _tmp4__target = NULL;
+#line 175 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp4_ = self->priv->cancellation;
+#line 175 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp4__target = self->priv->cancellation_target;
+#line 175 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp2_ = _tmp4_ == NULL;
+#line 986 "BackgroundJob.c"
+	} else {
+#line 175 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp2_ = FALSE;
+#line 990 "BackgroundJob.c"
+	}
+#line 175 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (_tmp2_) {
+#line 176 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		return;
+#line 996 "BackgroundJob.c"
+	}
+#line 178 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp6_ = background_job_is_cancelled (self);
+#line 178 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (_tmp6_) {
+#line 1002 "BackgroundJob.c"
+		CancellationCallback _tmp7_ = NULL;
+		void* _tmp7__target = NULL;
+#line 178 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp7_ = self->priv->cancellation;
+#line 178 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp7__target = self->priv->cancellation_target;
+#line 178 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp5_ = _tmp7_ == NULL;
+#line 1011 "BackgroundJob.c"
+	} else {
+#line 178 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp5_ = FALSE;
+#line 1015 "BackgroundJob.c"
+	}
+#line 178 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (_tmp5_) {
+#line 179 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		return;
+#line 1021 "BackgroundJob.c"
+	}
+#line 183 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp8_ = _background_job_ref0 (self);
+#line 183 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_background_job_unref0 (self->priv->self);
+#line 183 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->priv->self = _tmp8_;
+#line 185 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp9_ = self->priv->completion_priority;
+#line 185 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_idle_add_full (_tmp9_, _background_job_on_notify_completion_gsource_func, background_job_ref (self), background_job_unref);
+#line 1033 "BackgroundJob.c"
+}
+
+
+static gboolean background_job_on_notify_completion (BackgroundJob* self) {
+	gboolean result = FALSE;
+	gboolean _tmp0_ = FALSE;
+#line 188 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_val_if_fail (IS_BACKGROUND_JOB (self), FALSE);
+#line 193 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp0_ = background_job_is_cancelled (self);
+#line 193 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (_tmp0_) {
+#line 1046 "BackgroundJob.c"
+		CancellationCallback _tmp1_ = NULL;
+		void* _tmp1__target = NULL;
+#line 194 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp1_ = self->priv->cancellation;
+#line 194 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp1__target = self->priv->cancellation_target;
+#line 194 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		if (_tmp1_ != NULL) {
+#line 1055 "BackgroundJob.c"
+			CancellationCallback _tmp2_ = NULL;
+			void* _tmp2__target = NULL;
+#line 195 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			_tmp2_ = self->priv->cancellation;
+#line 195 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			_tmp2__target = self->priv->cancellation_target;
+#line 195 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			_tmp2_ (self, _tmp2__target);
+#line 1064 "BackgroundJob.c"
+		}
+	} else {
+		CompletionCallback _tmp3_ = NULL;
+		void* _tmp3__target = NULL;
+#line 197 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp3_ = self->priv->callback;
+#line 197 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp3__target = self->priv->callback_target;
+#line 197 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		if (_tmp3_ != NULL) {
+#line 1075 "BackgroundJob.c"
+			CompletionCallback _tmp4_ = NULL;
+			void* _tmp4__target = NULL;
+#line 198 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			_tmp4_ = self->priv->callback;
+#line 198 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			_tmp4__target = self->priv->callback_target;
+#line 198 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			_tmp4_ (self, _tmp4__target);
+#line 1084 "BackgroundJob.c"
+		}
+	}
+#line 202 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_background_job_unref0 (self->priv->self);
+#line 202 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->priv->self = NULL;
+#line 204 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	result = FALSE;
+#line 204 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return result;
+#line 1095 "BackgroundJob.c"
+}
+
+
+static gboolean _background_job_on_notification_ready_gsource_func (gpointer self) {
+	gboolean result;
+	result = background_job_on_notification_ready ((BackgroundJob*) self);
+#line 214 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return result;
+#line 1104 "BackgroundJob.c"
+}
+
+
+static gpointer _notification_object_ref0 (gpointer self) {
+#line 218 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return self ? notification_object_ref (self) : NULL;
+#line 1111 "BackgroundJob.c"
+}
+
+
+void background_job_notify (BackgroundJob* self, NotificationCallback callback, void* callback_target, NotificationObject* user) {
+	gint _tmp7_ = 0;
+	InterlockedNotificationObject* interlocked = NULL;
+	NotificationObject* _tmp8_ = NULL;
+	InterlockedNotificationObject* _tmp9_ = NULL;
+	InterlockedNotificationObject* _tmp10_ = NULL;
+	GError * _inner_error_ = NULL;
+#line 209 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_if_fail (IS_BACKGROUND_JOB (self));
+#line 209 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_if_fail ((user == NULL) || IS_NOTIFICATION_OBJECT (user));
+#line 1126 "BackgroundJob.c"
+	{
+		GeeArrayList* _tmp0_ = NULL;
+#line 210 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp0_ = background_job_notify_queue;
+#line 210 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		g_rec_mutex_lock (&__lock_background_job_notify_queue);
+#line 1133 "BackgroundJob.c"
+		{
+			GeeArrayList* _tmp1_ = NULL;
+			NotificationCallback _tmp2_ = NULL;
+			void* _tmp2__target = NULL;
+			NotificationObject* _tmp3_ = NULL;
+			BackgroundJobNotificationJob* _tmp4_ = NULL;
+			BackgroundJobNotificationJob* _tmp5_ = NULL;
+#line 211 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			_tmp1_ = background_job_notify_queue;
+#line 211 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			_tmp2_ = callback;
+#line 211 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			_tmp2__target = callback_target;
+#line 211 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			_tmp3_ = user;
+#line 211 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			_tmp4_ = background_job_notification_job_new (_tmp2_, _tmp2__target, self, _tmp3_);
+#line 211 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			_tmp5_ = _tmp4_;
+#line 211 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			gee_abstract_collection_add (G_TYPE_CHECK_INSTANCE_CAST (_tmp1_, GEE_TYPE_ABSTRACT_COLLECTION, GeeAbstractCollection), _tmp5_);
+#line 211 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			_background_job_notification_job_unref0 (_tmp5_);
+#line 1157 "BackgroundJob.c"
+		}
+		__finally11:
+		{
+			GeeArrayList* _tmp6_ = NULL;
+#line 210 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			_tmp6_ = background_job_notify_queue;
+#line 210 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			g_rec_mutex_unlock (&__lock_background_job_notify_queue);
+#line 1166 "BackgroundJob.c"
+		}
+#line 210 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		if (G_UNLIKELY (_inner_error_ != NULL)) {
+#line 210 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			g_critical ("file %s: line %d: uncaught error: %s (%s, %d)", __FILE__, __LINE__, _inner_error_->message, g_quark_to_string (_inner_error_->domain), _inner_error_->code);
+#line 210 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			g_clear_error (&_inner_error_);
+#line 210 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			return;
+#line 1176 "BackgroundJob.c"
+		}
+	}
+#line 214 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp7_ = self->priv->notification_priority;
+#line 214 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_idle_add_full (_tmp7_, _background_job_on_notification_ready_gsource_func, background_job_ref (self), background_job_unref);
+#line 218 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp8_ = user;
+#line 218 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp9_ = _notification_object_ref0 (G_TYPE_CHECK_INSTANCE_TYPE (_tmp8_, TYPE_INTERLOCKED_NOTIFICATION_OBJECT) ? ((InterlockedNotificationObject*) _tmp8_) : NULL);
+#line 218 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	interlocked = _tmp9_;
+#line 219 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp10_ = interlocked;
+#line 219 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (_tmp10_ != NULL) {
+#line 1193 "BackgroundJob.c"
+		InterlockedNotificationObject* _tmp11_ = NULL;
+#line 220 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp11_ = interlocked;
+#line 220 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		interlocked_notification_object_internal_wait_for_completion (_tmp11_);
+#line 1199 "BackgroundJob.c"
+	}
+#line 209 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_notification_object_unref0 (interlocked);
+#line 1203 "BackgroundJob.c"
+}
+
+
+static gboolean background_job_on_notification_ready (BackgroundJob* self) {
+	gboolean result = FALSE;
+	BackgroundJobNotificationJob* notification_job = NULL;
+	BackgroundJobNotificationJob* _tmp7_ = NULL;
+	BackgroundJobNotificationJob* _tmp8_ = NULL;
+	NotificationCallback _tmp9_ = NULL;
+	void* _tmp9__target = NULL;
+	BackgroundJobNotificationJob* _tmp10_ = NULL;
+	BackgroundJob* _tmp11_ = NULL;
+	BackgroundJobNotificationJob* _tmp12_ = NULL;
+	NotificationObject* _tmp13_ = NULL;
+	InterlockedNotificationObject* interlocked = NULL;
+	BackgroundJobNotificationJob* _tmp14_ = NULL;
+	NotificationObject* _tmp15_ = NULL;
+	InterlockedNotificationObject* _tmp16_ = NULL;
+	InterlockedNotificationObject* _tmp17_ = NULL;
+	GError * _inner_error_ = NULL;
+#line 223 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_val_if_fail (IS_BACKGROUND_JOB (self), FALSE);
+#line 226 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	notification_job = NULL;
+#line 1228 "BackgroundJob.c"
+	{
+		GeeArrayList* _tmp0_ = NULL;
+#line 227 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp0_ = background_job_notify_queue;
+#line 227 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		g_rec_mutex_lock (&__lock_background_job_notify_queue);
+#line 1235 "BackgroundJob.c"
+		{
+			GeeArrayList* _tmp1_ = NULL;
+			gint _tmp2_ = 0;
+			gint _tmp3_ = 0;
+#line 228 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			_tmp1_ = background_job_notify_queue;
+#line 228 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			_tmp2_ = gee_abstract_collection_get_size (G_TYPE_CHECK_INSTANCE_CAST (_tmp1_, GEE_TYPE_COLLECTION, GeeCollection));
+#line 228 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			_tmp3_ = _tmp2_;
+#line 228 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			if (_tmp3_ > 0) {
+#line 1248 "BackgroundJob.c"
+				GeeArrayList* _tmp4_ = NULL;
+				gpointer _tmp5_ = NULL;
+#line 229 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+				_tmp4_ = background_job_notify_queue;
+#line 229 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+				_tmp5_ = gee_abstract_list_remove_at (G_TYPE_CHECK_INSTANCE_CAST (_tmp4_, GEE_TYPE_ABSTRACT_LIST, GeeAbstractList), 0);
+#line 229 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+				_background_job_notification_job_unref0 (notification_job);
+#line 229 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+				notification_job = (BackgroundJobNotificationJob*) _tmp5_;
+#line 1259 "BackgroundJob.c"
+			}
+		}
+		__finally12:
+		{
+			GeeArrayList* _tmp6_ = NULL;
+#line 227 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			_tmp6_ = background_job_notify_queue;
+#line 227 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			g_rec_mutex_unlock (&__lock_background_job_notify_queue);
+#line 1269 "BackgroundJob.c"
+		}
+#line 227 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		if (G_UNLIKELY (_inner_error_ != NULL)) {
+#line 227 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			_background_job_notification_job_unref0 (notification_job);
+#line 227 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			g_critical ("file %s: line %d: uncaught error: %s (%s, %d)", __FILE__, __LINE__, _inner_error_->message, g_quark_to_string (_inner_error_->domain), _inner_error_->code);
+#line 227 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			g_clear_error (&_inner_error_);
+#line 227 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			return FALSE;
+#line 1281 "BackgroundJob.c"
+		}
+	}
+#line 231 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp7_ = notification_job;
+#line 231 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_vala_assert (_tmp7_ != NULL, "notification_job != null");
+#line 233 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp8_ = notification_job;
+#line 233 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp9_ = _tmp8_->callback;
+#line 233 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp9__target = _tmp8_->callback_target;
+#line 233 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp10_ = notification_job;
+#line 233 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp11_ = _tmp10_->background_job;
+#line 233 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp12_ = notification_job;
+#line 233 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp13_ = _tmp12_->user;
+#line 233 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp9_ (_tmp11_, _tmp13_, _tmp9__target);
+#line 236 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp14_ = notification_job;
+#line 236 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp15_ = _tmp14_->user;
+#line 236 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp16_ = _notification_object_ref0 (G_TYPE_CHECK_INSTANCE_TYPE (_tmp15_, TYPE_INTERLOCKED_NOTIFICATION_OBJECT) ? ((InterlockedNotificationObject*) _tmp15_) : NULL);
+#line 236 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	interlocked = _tmp16_;
+#line 237 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp17_ = interlocked;
+#line 237 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (_tmp17_ != NULL) {
+#line 1316 "BackgroundJob.c"
+		InterlockedNotificationObject* _tmp18_ = NULL;
+#line 238 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		_tmp18_ = interlocked;
+#line 238 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		interlocked_notification_object_internal_completed (_tmp18_);
+#line 1322 "BackgroundJob.c"
+	}
+#line 240 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	result = FALSE;
+#line 240 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_notification_object_unref0 (interlocked);
+#line 240 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_background_job_notification_job_unref0 (notification_job);
+#line 240 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return result;
+#line 1332 "BackgroundJob.c"
+}
+
+
+static BackgroundJobNotificationJob* background_job_notification_job_construct (GType object_type, NotificationCallback callback, void* callback_target, BackgroundJob* background_job, NotificationObject* user) {
+	BackgroundJobNotificationJob* self = NULL;
+	NotificationCallback _tmp0_ = NULL;
+	void* _tmp0__target = NULL;
+	BackgroundJob* _tmp1_ = NULL;
+	BackgroundJob* _tmp2_ = NULL;
+	NotificationObject* _tmp3_ = NULL;
+	NotificationObject* _tmp4_ = NULL;
+#line 88 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_val_if_fail (IS_BACKGROUND_JOB (background_job), NULL);
+#line 88 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_val_if_fail ((user == NULL) || IS_NOTIFICATION_OBJECT (user), NULL);
+#line 88 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self = (BackgroundJobNotificationJob*) g_type_create_instance (object_type);
+#line 90 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp0_ = callback;
+#line 90 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp0__target = callback_target;
+#line 90 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->callback = _tmp0_;
+#line 90 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->callback_target = _tmp0__target;
+#line 91 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp1_ = background_job;
+#line 91 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp2_ = _background_job_ref0 (_tmp1_);
+#line 91 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_background_job_unref0 (self->background_job);
+#line 91 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->background_job = _tmp2_;
+#line 92 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp3_ = user;
+#line 92 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp4_ = _notification_object_ref0 (_tmp3_);
+#line 92 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_notification_object_unref0 (self->user);
+#line 92 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->user = _tmp4_;
+#line 88 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return self;
+#line 1376 "BackgroundJob.c"
+}
+
+
+static BackgroundJobNotificationJob* background_job_notification_job_new (NotificationCallback callback, void* callback_target, BackgroundJob* background_job, NotificationObject* user) {
+#line 88 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return background_job_notification_job_construct (BACKGROUND_JOB_TYPE_NOTIFICATION_JOB, callback, callback_target, background_job, user);
+#line 1383 "BackgroundJob.c"
+}
+
+
+static void background_job_value_notification_job_init (GValue* value) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	value->data[0].v_pointer = NULL;
+#line 1390 "BackgroundJob.c"
+}
+
+
+static void background_job_value_notification_job_free_value (GValue* value) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (value->data[0].v_pointer) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		background_job_notification_job_unref (value->data[0].v_pointer);
+#line 1399 "BackgroundJob.c"
+	}
+}
+
+
+static void background_job_value_notification_job_copy_value (const GValue* src_value, GValue* dest_value) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (src_value->data[0].v_pointer) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		dest_value->data[0].v_pointer = background_job_notification_job_ref (src_value->data[0].v_pointer);
+#line 1409 "BackgroundJob.c"
+	} else {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		dest_value->data[0].v_pointer = NULL;
+#line 1413 "BackgroundJob.c"
+	}
+}
+
+
+static gpointer background_job_value_notification_job_peek_pointer (const GValue* value) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return value->data[0].v_pointer;
+#line 1421 "BackgroundJob.c"
+}
+
+
+static gchar* background_job_value_notification_job_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (collect_values[0].v_pointer) {
+#line 1428 "BackgroundJob.c"
+		BackgroundJobNotificationJob* object;
+		object = collect_values[0].v_pointer;
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		if (object->parent_instance.g_class == NULL) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+#line 1435 "BackgroundJob.c"
+		} else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+#line 1439 "BackgroundJob.c"
+		}
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		value->data[0].v_pointer = background_job_notification_job_ref (object);
+#line 1443 "BackgroundJob.c"
+	} else {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		value->data[0].v_pointer = NULL;
+#line 1447 "BackgroundJob.c"
+	}
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return NULL;
+#line 1451 "BackgroundJob.c"
+}
+
+
+static gchar* background_job_value_notification_job_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	BackgroundJobNotificationJob** object_p;
+	object_p = collect_values[0].v_pointer;
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (!object_p) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
+#line 1462 "BackgroundJob.c"
+	}
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (!value->data[0].v_pointer) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		*object_p = NULL;
+#line 1468 "BackgroundJob.c"
+	} else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		*object_p = value->data[0].v_pointer;
+#line 1472 "BackgroundJob.c"
+	} else {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		*object_p = background_job_notification_job_ref (value->data[0].v_pointer);
+#line 1476 "BackgroundJob.c"
+	}
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return NULL;
+#line 1480 "BackgroundJob.c"
+}
+
+
+static GParamSpec* background_job_param_spec_notification_job (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
+	BackgroundJobParamSpecNotificationJob* spec;
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_val_if_fail (g_type_is_a (object_type, BACKGROUND_JOB_TYPE_NOTIFICATION_JOB), NULL);
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	G_PARAM_SPEC (spec)->value_type = object_type;
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return G_PARAM_SPEC (spec);
+#line 1494 "BackgroundJob.c"
+}
+
+
+static gpointer background_job_value_get_notification_job (const GValue* value) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, BACKGROUND_JOB_TYPE_NOTIFICATION_JOB), NULL);
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return value->data[0].v_pointer;
+#line 1503 "BackgroundJob.c"
+}
+
+
+static void background_job_value_set_notification_job (GValue* value, gpointer v_object) {
+	BackgroundJobNotificationJob* old;
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, BACKGROUND_JOB_TYPE_NOTIFICATION_JOB));
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	old = value->data[0].v_pointer;
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (v_object) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, BACKGROUND_JOB_TYPE_NOTIFICATION_JOB));
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		value->data[0].v_pointer = v_object;
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		background_job_notification_job_ref (value->data[0].v_pointer);
+#line 1523 "BackgroundJob.c"
+	} else {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		value->data[0].v_pointer = NULL;
+#line 1527 "BackgroundJob.c"
+	}
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (old) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		background_job_notification_job_unref (old);
+#line 1533 "BackgroundJob.c"
+	}
+}
+
+
+static void background_job_value_take_notification_job (GValue* value, gpointer v_object) {
+	BackgroundJobNotificationJob* old;
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, BACKGROUND_JOB_TYPE_NOTIFICATION_JOB));
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	old = value->data[0].v_pointer;
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (v_object) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, BACKGROUND_JOB_TYPE_NOTIFICATION_JOB));
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		value->data[0].v_pointer = v_object;
+#line 1552 "BackgroundJob.c"
+	} else {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		value->data[0].v_pointer = NULL;
+#line 1556 "BackgroundJob.c"
+	}
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (old) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		background_job_notification_job_unref (old);
+#line 1562 "BackgroundJob.c"
+	}
+}
+
+
+static void background_job_notification_job_class_init (BackgroundJobNotificationJobClass * klass) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	background_job_notification_job_parent_class = g_type_class_peek_parent (klass);
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	((BackgroundJobNotificationJobClass *) klass)->finalize = background_job_notification_job_finalize;
+#line 1572 "BackgroundJob.c"
+}
+
+
+static void background_job_notification_job_instance_init (BackgroundJobNotificationJob * self) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->ref_count = 1;
+#line 1579 "BackgroundJob.c"
+}
+
+
+static void background_job_notification_job_finalize (BackgroundJobNotificationJob* obj) {
+	BackgroundJobNotificationJob * self;
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self = G_TYPE_CHECK_INSTANCE_CAST (obj, BACKGROUND_JOB_TYPE_NOTIFICATION_JOB, BackgroundJobNotificationJob);
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_signal_handlers_destroy (self);
+#line 85 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_background_job_unref0 (self->background_job);
+#line 86 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_notification_object_unref0 (self->user);
+#line 1593 "BackgroundJob.c"
+}
+
+
+static GType background_job_notification_job_get_type (void) {
+	static volatile gsize background_job_notification_job_type_id__volatile = 0;
+	if (g_once_init_enter (&background_job_notification_job_type_id__volatile)) {
+		static const GTypeValueTable g_define_type_value_table = { background_job_value_notification_job_init, background_job_value_notification_job_free_value, background_job_value_notification_job_copy_value, background_job_value_notification_job_peek_pointer, "p", background_job_value_notification_job_collect_value, "p", background_job_value_notification_job_lcopy_value };
+		static const GTypeInfo g_define_type_info = { sizeof (BackgroundJobNotificationJobClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) background_job_notification_job_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (BackgroundJobNotificationJob), 0, (GInstanceInitFunc) background_job_notification_job_instance_init, &g_define_type_value_table };
+		static const GTypeFundamentalInfo g_define_type_fundamental_info = { (G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
+		GType background_job_notification_job_type_id;
+		background_job_notification_job_type_id = g_type_register_fundamental (g_type_fundamental_next (), "BackgroundJobNotificationJob", &g_define_type_info, &g_define_type_fundamental_info, 0);
+		g_once_init_leave (&background_job_notification_job_type_id__volatile, background_job_notification_job_type_id);
+	}
+	return background_job_notification_job_type_id__volatile;
+}
+
+
+static gpointer background_job_notification_job_ref (gpointer instance) {
+	BackgroundJobNotificationJob* self;
+	self = instance;
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_atomic_int_inc (&self->ref_count);
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return instance;
+#line 1618 "BackgroundJob.c"
+}
+
+
+static void background_job_notification_job_unref (gpointer instance) {
+	BackgroundJobNotificationJob* self;
+	self = instance;
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (g_atomic_int_dec_and_test (&self->ref_count)) {
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		BACKGROUND_JOB_NOTIFICATION_JOB_GET_CLASS (self)->finalize (self);
+#line 83 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		g_type_free_instance ((GTypeInstance *) self);
+#line 1631 "BackgroundJob.c"
+	}
+}
+
+
+static void value_background_job_init (GValue* value) {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	value->data[0].v_pointer = NULL;
+#line 1639 "BackgroundJob.c"
+}
+
+
+static void value_background_job_free_value (GValue* value) {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (value->data[0].v_pointer) {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		background_job_unref (value->data[0].v_pointer);
+#line 1648 "BackgroundJob.c"
+	}
+}
+
+
+static void value_background_job_copy_value (const GValue* src_value, GValue* dest_value) {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (src_value->data[0].v_pointer) {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		dest_value->data[0].v_pointer = background_job_ref (src_value->data[0].v_pointer);
+#line 1658 "BackgroundJob.c"
+	} else {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		dest_value->data[0].v_pointer = NULL;
+#line 1662 "BackgroundJob.c"
+	}
+}
+
+
+static gpointer value_background_job_peek_pointer (const GValue* value) {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return value->data[0].v_pointer;
+#line 1670 "BackgroundJob.c"
+}
+
+
+static gchar* value_background_job_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (collect_values[0].v_pointer) {
+#line 1677 "BackgroundJob.c"
+		BackgroundJob* object;
+		object = collect_values[0].v_pointer;
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		if (object->parent_instance.g_class == NULL) {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+#line 1684 "BackgroundJob.c"
+		} else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+			return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+#line 1688 "BackgroundJob.c"
+		}
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		value->data[0].v_pointer = background_job_ref (object);
+#line 1692 "BackgroundJob.c"
+	} else {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		value->data[0].v_pointer = NULL;
+#line 1696 "BackgroundJob.c"
+	}
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return NULL;
+#line 1700 "BackgroundJob.c"
+}
+
+
+static gchar* value_background_job_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	BackgroundJob** object_p;
+	object_p = collect_values[0].v_pointer;
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (!object_p) {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
+#line 1711 "BackgroundJob.c"
+	}
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (!value->data[0].v_pointer) {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		*object_p = NULL;
+#line 1717 "BackgroundJob.c"
+	} else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		*object_p = value->data[0].v_pointer;
+#line 1721 "BackgroundJob.c"
+	} else {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		*object_p = background_job_ref (value->data[0].v_pointer);
+#line 1725 "BackgroundJob.c"
+	}
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return NULL;
+#line 1729 "BackgroundJob.c"
+}
+
+
+GParamSpec* param_spec_background_job (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
+	ParamSpecBackgroundJob* spec;
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_val_if_fail (g_type_is_a (object_type, TYPE_BACKGROUND_JOB), NULL);
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	G_PARAM_SPEC (spec)->value_type = object_type;
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return G_PARAM_SPEC (spec);
+#line 1743 "BackgroundJob.c"
+}
+
+
+gpointer value_get_background_job (const GValue* value) {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_BACKGROUND_JOB), NULL);
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return value->data[0].v_pointer;
+#line 1752 "BackgroundJob.c"
+}
+
+
+void value_set_background_job (GValue* value, gpointer v_object) {
+	BackgroundJob* old;
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_BACKGROUND_JOB));
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	old = value->data[0].v_pointer;
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (v_object) {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_BACKGROUND_JOB));
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		value->data[0].v_pointer = v_object;
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		background_job_ref (value->data[0].v_pointer);
+#line 1772 "BackgroundJob.c"
+	} else {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		value->data[0].v_pointer = NULL;
+#line 1776 "BackgroundJob.c"
+	}
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (old) {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		background_job_unref (old);
+#line 1782 "BackgroundJob.c"
+	}
+}
+
+
+void value_take_background_job (GValue* value, gpointer v_object) {
+	BackgroundJob* old;
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_BACKGROUND_JOB));
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	old = value->data[0].v_pointer;
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (v_object) {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_BACKGROUND_JOB));
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		value->data[0].v_pointer = v_object;
+#line 1801 "BackgroundJob.c"
+	} else {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		value->data[0].v_pointer = NULL;
+#line 1805 "BackgroundJob.c"
+	}
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (old) {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		background_job_unref (old);
+#line 1811 "BackgroundJob.c"
+	}
+}
+
+
+static void background_job_class_init (BackgroundJobClass * klass) {
+	GeeArrayList* _tmp0_ = NULL;
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	background_job_parent_class = g_type_class_peek_parent (klass);
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	((BackgroundJobClass *) klass)->finalize = background_job_finalize;
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_type_class_add_private (klass, sizeof (BackgroundJobPrivate));
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	((BackgroundJobClass *) klass)->execute = background_job_real_execute;
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	((BackgroundJobClass *) klass)->get_priority = background_job_real_get_priority;
+#line 96 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_rec_mutex_init (&__lock_background_job_notify_queue);
+#line 96 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_tmp0_ = gee_array_list_new (BACKGROUND_JOB_TYPE_NOTIFICATION_JOB, (GBoxedCopyFunc) background_job_notification_job_ref, background_job_notification_job_unref, NULL, NULL, NULL);
+#line 96 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	background_job_notify_queue = _tmp0_;
+#line 1834 "BackgroundJob.c"
+}
+
+
+static void background_job_instance_init (BackgroundJob * self) {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->priv = BACKGROUND_JOB_GET_PRIVATE (self);
+#line 102 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->priv->self = NULL;
+#line 103 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->priv->semaphore = NULL;
+#line 110 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->priv->completion_priority = G_PRIORITY_HIGH;
+#line 111 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->priv->notification_priority = G_PRIORITY_DEFAULT_IDLE;
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self->ref_count = 1;
+#line 1851 "BackgroundJob.c"
+}
+
+
+static void background_job_finalize (BackgroundJob* obj) {
+	BackgroundJob * self;
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	self = G_TYPE_CHECK_INSTANCE_CAST (obj, TYPE_BACKGROUND_JOB, BackgroundJob);
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_signal_handlers_destroy (self);
+#line 98 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_g_object_unref0 (self->priv->owner);
+#line 100 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_g_object_unref0 (self->priv->cancellable);
+#line 102 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_background_job_unref0 (self->priv->self);
+#line 103 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	_abstract_semaphore_unref0 (self->priv->semaphore);
+#line 1869 "BackgroundJob.c"
+}
+
+
+GType background_job_get_type (void) {
+	static volatile gsize background_job_type_id__volatile = 0;
+	if (g_once_init_enter (&background_job_type_id__volatile)) {
+		static const GTypeValueTable g_define_type_value_table = { value_background_job_init, value_background_job_free_value, value_background_job_copy_value, value_background_job_peek_pointer, "p", value_background_job_collect_value, "p", value_background_job_lcopy_value };
+		static const GTypeInfo g_define_type_info = { sizeof (BackgroundJobClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) background_job_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (BackgroundJob), 0, (GInstanceInitFunc) background_job_instance_init, &g_define_type_value_table };
+		static const GTypeFundamentalInfo g_define_type_fundamental_info = { (G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
+		GType background_job_type_id;
+		background_job_type_id = g_type_register_fundamental (g_type_fundamental_next (), "BackgroundJob", &g_define_type_info, &g_define_type_fundamental_info, G_TYPE_FLAG_ABSTRACT);
+		g_once_init_leave (&background_job_type_id__volatile, background_job_type_id);
+	}
+	return background_job_type_id__volatile;
+}
+
+
+gpointer background_job_ref (gpointer instance) {
+	BackgroundJob* self;
+	self = instance;
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	g_atomic_int_inc (&self->ref_count);
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	return instance;
+#line 1894 "BackgroundJob.c"
+}
+
+
+void background_job_unref (gpointer instance) {
+	BackgroundJob* self;
+	self = instance;
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+	if (g_atomic_int_dec_and_test (&self->ref_count)) {
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		BACKGROUND_JOB_GET_CLASS (self)->finalize (self);
+#line 65 "/home/jens/Source/shotwell/src/threads/BackgroundJob.vala"
+		g_type_free_instance ((GTypeInstance *) self);
+#line 1907 "BackgroundJob.c"
+	}
+}
+
+
+
diff --git a/src/threads/Semaphore.c b/src/threads/Semaphore.c
new file mode 100644
index 0000000..9874b65
--- /dev/null
+++ b/src/threads/Semaphore.c
@@ -0,0 +1,1159 @@
+/* Semaphore.c generated by valac 0.32.1, the Vala compiler
+ * generated from Semaphore.vala, do not modify */
+
+/* Copyright 2016 Software Freedom Conservancy Inc.
+ *
+ * This software is licensed under the GNU LGPL (version 2.1 or later).
+ * See the COPYING file in this distribution.
+ */
+/* Semaphores may be used to be notified when a job is completed.  This provides an alternate*/
+/* mechanism (essentially, a blocking mechanism) to the system of callbacks that BackgroundJob*/
+/* offers.  They can also be used for other job-dependent notification mechanisms.*/
+
+#include <glib.h>
+#include <glib-object.h>
+#include <stdlib.h>
+#include <string.h>
+#include <gobject/gvaluecollector.h>
+
+
+#define TYPE_ABSTRACT_SEMAPHORE (abstract_semaphore_get_type ())
+#define ABSTRACT_SEMAPHORE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_ABSTRACT_SEMAPHORE, AbstractSemaphore))
+#define ABSTRACT_SEMAPHORE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_ABSTRACT_SEMAPHORE, AbstractSemaphoreClass))
+#define IS_ABSTRACT_SEMAPHORE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_ABSTRACT_SEMAPHORE))
+#define IS_ABSTRACT_SEMAPHORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_ABSTRACT_SEMAPHORE))
+#define ABSTRACT_SEMAPHORE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_ABSTRACT_SEMAPHORE, AbstractSemaphoreClass))
+
+typedef struct _AbstractSemaphore AbstractSemaphore;
+typedef struct _AbstractSemaphoreClass AbstractSemaphoreClass;
+typedef struct _AbstractSemaphorePrivate AbstractSemaphorePrivate;
+
+#define ABSTRACT_SEMAPHORE_TYPE_NOTIFY_ACTION (abstract_semaphore_notify_action_get_type ())
+
+#define ABSTRACT_SEMAPHORE_TYPE_WAIT_ACTION (abstract_semaphore_wait_action_get_type ())
+
+#define ABSTRACT_SEMAPHORE_TYPE_TYPE (abstract_semaphore_type_get_type ())
+typedef struct _ParamSpecAbstractSemaphore ParamSpecAbstractSemaphore;
+
+#define TYPE_SEMAPHORE (semaphore_get_type ())
+#define SEMAPHORE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_SEMAPHORE, Semaphore))
+#define SEMAPHORE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_SEMAPHORE, SemaphoreClass))
+#define IS_SEMAPHORE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_SEMAPHORE))
+#define IS_SEMAPHORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_SEMAPHORE))
+#define SEMAPHORE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_SEMAPHORE, SemaphoreClass))
+
+typedef struct _Semaphore Semaphore;
+typedef struct _SemaphoreClass SemaphoreClass;
+typedef struct _SemaphorePrivate SemaphorePrivate;
+
+#define TYPE_COUNTDOWN_SEMAPHORE (countdown_semaphore_get_type ())
+#define COUNTDOWN_SEMAPHORE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_COUNTDOWN_SEMAPHORE, CountdownSemaphore))
+#define COUNTDOWN_SEMAPHORE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_COUNTDOWN_SEMAPHORE, CountdownSemaphoreClass))
+#define IS_COUNTDOWN_SEMAPHORE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_COUNTDOWN_SEMAPHORE))
+#define IS_COUNTDOWN_SEMAPHORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_COUNTDOWN_SEMAPHORE))
+#define COUNTDOWN_SEMAPHORE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_COUNTDOWN_SEMAPHORE, CountdownSemaphoreClass))
+
+typedef struct _CountdownSemaphore CountdownSemaphore;
+typedef struct _CountdownSemaphoreClass CountdownSemaphoreClass;
+typedef struct _CountdownSemaphorePrivate CountdownSemaphorePrivate;
+
+#define TYPE_EVENT_SEMAPHORE (event_semaphore_get_type ())
+#define EVENT_SEMAPHORE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_EVENT_SEMAPHORE, EventSemaphore))
+#define EVENT_SEMAPHORE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_EVENT_SEMAPHORE, EventSemaphoreClass))
+#define IS_EVENT_SEMAPHORE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_EVENT_SEMAPHORE))
+#define IS_EVENT_SEMAPHORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_EVENT_SEMAPHORE))
+#define EVENT_SEMAPHORE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_EVENT_SEMAPHORE, EventSemaphoreClass))
+
+typedef struct _EventSemaphore EventSemaphore;
+typedef struct _EventSemaphoreClass EventSemaphoreClass;
+typedef struct _EventSemaphorePrivate EventSemaphorePrivate;
+#define _vala_assert(expr, msg) if G_LIKELY (expr) ; else g_assertion_message_expr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, msg);
+#define _vala_return_if_fail(expr, msg) if G_LIKELY (expr) ; else { g_return_if_fail_warning (G_LOG_DOMAIN, G_STRFUNC, msg); return; }
+#define _vala_return_val_if_fail(expr, msg, val) if G_LIKELY (expr) ; else { g_return_if_fail_warning (G_LOG_DOMAIN, G_STRFUNC, msg); return val; }
+#define _vala_warn_if_fail(expr, msg) if G_LIKELY (expr) ; else g_warn_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, msg);
+
+typedef enum  {
+	ABSTRACT_SEMAPHORE_NOTIFY_ACTION_NONE,
+	ABSTRACT_SEMAPHORE_NOTIFY_ACTION_SIGNAL
+} AbstractSemaphoreNotifyAction;
+
+typedef enum  {
+	ABSTRACT_SEMAPHORE_WAIT_ACTION_SLEEP,
+	ABSTRACT_SEMAPHORE_WAIT_ACTION_READY
+} AbstractSemaphoreWaitAction;
+
+struct _AbstractSemaphore {
+	GTypeInstance parent_instance;
+	volatile int ref_count;
+	AbstractSemaphorePrivate * priv;
+};
+
+struct _AbstractSemaphoreClass {
+	GTypeClass parent_class;
+	void (*finalize) (AbstractSemaphore *self);
+	AbstractSemaphoreNotifyAction (*do_notify) (AbstractSemaphore* self);
+	AbstractSemaphoreWaitAction (*do_wait) (AbstractSemaphore* self);
+	gboolean (*do_reset) (AbstractSemaphore* self);
+};
+
+typedef enum  {
+	ABSTRACT_SEMAPHORE_TYPE_SERIAL,
+	ABSTRACT_SEMAPHORE_TYPE_BROADCAST
+} AbstractSemaphoreType;
+
+struct _AbstractSemaphorePrivate {
+	AbstractSemaphoreType type;
+	GMutex mutex;
+	GCond monitor;
+};
+
+struct _ParamSpecAbstractSemaphore {
+	GParamSpec parent_instance;
+};
+
+struct _Semaphore {
+	AbstractSemaphore parent_instance;
+	SemaphorePrivate * priv;
+};
+
+struct _SemaphoreClass {
+	AbstractSemaphoreClass parent_class;
+};
+
+struct _SemaphorePrivate {
+	gboolean passed;
+};
+
+struct _CountdownSemaphore {
+	AbstractSemaphore parent_instance;
+	CountdownSemaphorePrivate * priv;
+};
+
+struct _CountdownSemaphoreClass {
+	AbstractSemaphoreClass parent_class;
+};
+
+struct _CountdownSemaphorePrivate {
+	gint total;
+	gint passed;
+};
+
+struct _EventSemaphore {
+	AbstractSemaphore parent_instance;
+	EventSemaphorePrivate * priv;
+};
+
+struct _EventSemaphoreClass {
+	AbstractSemaphoreClass parent_class;
+};
+
+struct _EventSemaphorePrivate {
+	gboolean fired;
+};
+
+
+static gpointer abstract_semaphore_parent_class = NULL;
+static gpointer semaphore_parent_class = NULL;
+static gpointer countdown_semaphore_parent_class = NULL;
+static gpointer event_semaphore_parent_class = NULL;
+
+gpointer abstract_semaphore_ref (gpointer instance);
+void abstract_semaphore_unref (gpointer instance);
+GParamSpec* param_spec_abstract_semaphore (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags);
+void value_set_abstract_semaphore (GValue* value, gpointer v_object);
+void value_take_abstract_semaphore (GValue* value, gpointer v_object);
+gpointer value_get_abstract_semaphore (const GValue* value);
+GType abstract_semaphore_get_type (void) G_GNUC_CONST;
+GType abstract_semaphore_notify_action_get_type (void) G_GNUC_CONST;
+GType abstract_semaphore_wait_action_get_type (void) G_GNUC_CONST;
+GType abstract_semaphore_type_get_type (void) G_GNUC_CONST;
+#define ABSTRACT_SEMAPHORE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TYPE_ABSTRACT_SEMAPHORE, AbstractSemaphorePrivate))
+enum  {
+	ABSTRACT_SEMAPHORE_DUMMY_PROPERTY
+};
+AbstractSemaphore* abstract_semaphore_construct (GType object_type, AbstractSemaphoreType type);
+static void abstract_semaphore_trigger (AbstractSemaphore* self);
+void abstract_semaphore_notify (AbstractSemaphore* self);
+AbstractSemaphoreNotifyAction abstract_semaphore_do_notify (AbstractSemaphore* self);
+const gchar* abstract_semaphore_notify_action_to_string (AbstractSemaphoreNotifyAction self);
+static AbstractSemaphoreNotifyAction abstract_semaphore_real_do_notify (AbstractSemaphore* self);
+void abstract_semaphore_wait (AbstractSemaphore* self);
+AbstractSemaphoreWaitAction abstract_semaphore_do_wait (AbstractSemaphore* self);
+static AbstractSemaphoreWaitAction abstract_semaphore_real_do_wait (AbstractSemaphore* self);
+gboolean abstract_semaphore_reset (AbstractSemaphore* self);
+gboolean abstract_semaphore_do_reset (AbstractSemaphore* self);
+static gboolean abstract_semaphore_real_do_reset (AbstractSemaphore* self);
+static void abstract_semaphore_finalize (AbstractSemaphore* obj);
+GType semaphore_get_type (void) G_GNUC_CONST;
+#define SEMAPHORE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TYPE_SEMAPHORE, SemaphorePrivate))
+enum  {
+	SEMAPHORE_DUMMY_PROPERTY
+};
+Semaphore* semaphore_new (void);
+Semaphore* semaphore_construct (GType object_type);
+static AbstractSemaphoreNotifyAction semaphore_real_do_notify (AbstractSemaphore* base);
+static AbstractSemaphoreWaitAction semaphore_real_do_wait (AbstractSemaphore* base);
+static void semaphore_finalize (AbstractSemaphore* obj);
+GType countdown_semaphore_get_type (void) G_GNUC_CONST;
+#define COUNTDOWN_SEMAPHORE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TYPE_COUNTDOWN_SEMAPHORE, CountdownSemaphorePrivate))
+enum  {
+	COUNTDOWN_SEMAPHORE_DUMMY_PROPERTY
+};
+CountdownSemaphore* countdown_semaphore_new (gint total);
+CountdownSemaphore* countdown_semaphore_construct (GType object_type, gint total);
+static AbstractSemaphoreNotifyAction countdown_semaphore_real_do_notify (AbstractSemaphore* base);
+static AbstractSemaphoreWaitAction countdown_semaphore_real_do_wait (AbstractSemaphore* base);
+static void countdown_semaphore_finalize (AbstractSemaphore* obj);
+GType event_semaphore_get_type (void) G_GNUC_CONST;
+#define EVENT_SEMAPHORE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TYPE_EVENT_SEMAPHORE, EventSemaphorePrivate))
+enum  {
+	EVENT_SEMAPHORE_DUMMY_PROPERTY
+};
+EventSemaphore* event_semaphore_new (void);
+EventSemaphore* event_semaphore_construct (GType object_type);
+static AbstractSemaphoreNotifyAction event_semaphore_real_do_notify (AbstractSemaphore* base);
+static AbstractSemaphoreWaitAction event_semaphore_real_do_wait (AbstractSemaphore* base);
+static gboolean event_semaphore_real_do_reset (AbstractSemaphore* base);
+static void event_semaphore_finalize (AbstractSemaphore* obj);
+static void _vala_clear_GMutex (GMutex * mutex);
+static void _vala_clear_GRecMutex (GRecMutex * mutex);
+static void _vala_clear_GRWLock (GRWLock * mutex);
+static void _vala_clear_GCond (GCond * mutex);
+
+
+GType abstract_semaphore_type_get_type (void) {
+	static volatile gsize abstract_semaphore_type_type_id__volatile = 0;
+	if (g_once_init_enter (&abstract_semaphore_type_type_id__volatile)) {
+		static const GEnumValue values[] = {{ABSTRACT_SEMAPHORE_TYPE_SERIAL, "ABSTRACT_SEMAPHORE_TYPE_SERIAL", "serial"}, {ABSTRACT_SEMAPHORE_TYPE_BROADCAST, "ABSTRACT_SEMAPHORE_TYPE_BROADCAST", "broadcast"}, {0, NULL, NULL}};
+		GType abstract_semaphore_type_type_id;
+		abstract_semaphore_type_type_id = g_enum_register_static ("AbstractSemaphoreType", values);
+		g_once_init_leave (&abstract_semaphore_type_type_id__volatile, abstract_semaphore_type_type_id);
+	}
+	return abstract_semaphore_type_type_id__volatile;
+}
+
+
+GType abstract_semaphore_notify_action_get_type (void) {
+	static volatile gsize abstract_semaphore_notify_action_type_id__volatile = 0;
+	if (g_once_init_enter (&abstract_semaphore_notify_action_type_id__volatile)) {
+		static const GEnumValue values[] = {{ABSTRACT_SEMAPHORE_NOTIFY_ACTION_NONE, "ABSTRACT_SEMAPHORE_NOTIFY_ACTION_NONE", "none"}, {ABSTRACT_SEMAPHORE_NOTIFY_ACTION_SIGNAL, "ABSTRACT_SEMAPHORE_NOTIFY_ACTION_SIGNAL", "signal"}, {0, NULL, NULL}};
+		GType abstract_semaphore_notify_action_type_id;
+		abstract_semaphore_notify_action_type_id = g_enum_register_static ("AbstractSemaphoreNotifyAction", values);
+		g_once_init_leave (&abstract_semaphore_notify_action_type_id__volatile, abstract_semaphore_notify_action_type_id);
+	}
+	return abstract_semaphore_notify_action_type_id__volatile;
+}
+
+
+GType abstract_semaphore_wait_action_get_type (void) {
+	static volatile gsize abstract_semaphore_wait_action_type_id__volatile = 0;
+	if (g_once_init_enter (&abstract_semaphore_wait_action_type_id__volatile)) {
+		static const GEnumValue values[] = {{ABSTRACT_SEMAPHORE_WAIT_ACTION_SLEEP, "ABSTRACT_SEMAPHORE_WAIT_ACTION_SLEEP", "sleep"}, {ABSTRACT_SEMAPHORE_WAIT_ACTION_READY, "ABSTRACT_SEMAPHORE_WAIT_ACTION_READY", "ready"}, {0, NULL, NULL}};
+		GType abstract_semaphore_wait_action_type_id;
+		abstract_semaphore_wait_action_type_id = g_enum_register_static ("AbstractSemaphoreWaitAction", values);
+		g_once_init_leave (&abstract_semaphore_wait_action_type_id__volatile, abstract_semaphore_wait_action_type_id);
+	}
+	return abstract_semaphore_wait_action_type_id__volatile;
+}
+
+
+AbstractSemaphore* abstract_semaphore_construct (GType object_type, AbstractSemaphoreType type) {
+	AbstractSemaphore* self = NULL;
+	gboolean _tmp0_ = FALSE;
+	AbstractSemaphoreType _tmp1_ = 0;
+	AbstractSemaphoreType _tmp3_ = 0;
+#line 30 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self = (AbstractSemaphore*) g_type_create_instance (object_type);
+#line 31 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_tmp1_ = type;
+#line 31 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	if (_tmp1_ == ABSTRACT_SEMAPHORE_TYPE_SERIAL) {
+#line 31 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		_tmp0_ = TRUE;
+#line 274 "Semaphore.c"
+	} else {
+		AbstractSemaphoreType _tmp2_ = 0;
+#line 31 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		_tmp2_ = type;
+#line 31 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		_tmp0_ = _tmp2_ == ABSTRACT_SEMAPHORE_TYPE_BROADCAST;
+#line 281 "Semaphore.c"
+	}
+#line 31 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_vala_assert (_tmp0_, "type == Type.SERIAL || type == Type.BROADCAST");
+#line 33 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_tmp3_ = type;
+#line 33 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self->priv->type = _tmp3_;
+#line 30 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return self;
+#line 291 "Semaphore.c"
+}
+
+
+static void abstract_semaphore_trigger (AbstractSemaphore* self) {
+	AbstractSemaphoreType _tmp0_ = 0;
+#line 36 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_return_if_fail (IS_ABSTRACT_SEMAPHORE (self));
+#line 37 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_tmp0_ = self->priv->type;
+#line 37 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	if (_tmp0_ == ABSTRACT_SEMAPHORE_TYPE_SERIAL) {
+#line 38 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		g_cond_signal (&self->priv->monitor);
+#line 305 "Semaphore.c"
+	} else {
+#line 40 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		g_cond_broadcast (&self->priv->monitor);
+#line 309 "Semaphore.c"
+	}
+}
+
+
+void abstract_semaphore_notify (AbstractSemaphore* self) {
+	AbstractSemaphoreNotifyAction action = 0;
+	AbstractSemaphoreNotifyAction _tmp0_ = 0;
+	AbstractSemaphoreNotifyAction _tmp1_ = 0;
+#line 43 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_return_if_fail (IS_ABSTRACT_SEMAPHORE (self));
+#line 44 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_mutex_lock (&self->priv->mutex);
+#line 46 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_tmp0_ = abstract_semaphore_do_notify (self);
+#line 46 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	action = _tmp0_;
+#line 47 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_tmp1_ = action;
+#line 47 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	switch (_tmp1_) {
+#line 47 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		case ABSTRACT_SEMAPHORE_NOTIFY_ACTION_NONE:
+#line 332 "Semaphore.c"
+		{
+#line 50 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+			break;
+#line 336 "Semaphore.c"
+		}
+#line 47 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		case ABSTRACT_SEMAPHORE_NOTIFY_ACTION_SIGNAL:
+#line 340 "Semaphore.c"
+		{
+#line 53 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+			abstract_semaphore_trigger (self);
+#line 54 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+			break;
+#line 346 "Semaphore.c"
+		}
+		default:
+		{
+			AbstractSemaphoreNotifyAction _tmp2_ = 0;
+			GEnumValue* _tmp3_;
+#line 57 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+			_tmp2_ = action;
+#line 57 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+			_tmp3_ = g_enum_get_value (g_type_class_ref (ABSTRACT_SEMAPHORE_TYPE_NOTIFY_ACTION), _tmp2_);
+#line 57 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+			g_error ("Semaphore.vala:57: Unknown semaphore action: %s", (_tmp3_ != NULL) ? _tmp3_->value_name : NULL);
+#line 358 "Semaphore.c"
+		}
+	}
+#line 60 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_mutex_unlock (&self->priv->mutex);
+#line 363 "Semaphore.c"
+}
+
+
+static AbstractSemaphoreNotifyAction abstract_semaphore_real_do_notify (AbstractSemaphore* self) {
+#line 64 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_critical ("Type `%s' does not implement abstract method `abstract_semaphore_do_notify'", g_type_name (G_TYPE_FROM_INSTANCE (self)));
+#line 64 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return 0;
+#line 372 "Semaphore.c"
+}
+
+
+AbstractSemaphoreNotifyAction abstract_semaphore_do_notify (AbstractSemaphore* self) {
+#line 64 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_return_val_if_fail (IS_ABSTRACT_SEMAPHORE (self), 0);
+#line 64 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return ABSTRACT_SEMAPHORE_GET_CLASS (self)->do_notify (self);
+#line 381 "Semaphore.c"
+}
+
+
+void abstract_semaphore_wait (AbstractSemaphore* self) {
+#line 66 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_return_if_fail (IS_ABSTRACT_SEMAPHORE (self));
+#line 67 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_mutex_lock (&self->priv->mutex);
+#line 69 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	while (TRUE) {
+#line 392 "Semaphore.c"
+		AbstractSemaphoreWaitAction _tmp0_ = 0;
+#line 69 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		_tmp0_ = abstract_semaphore_do_wait (self);
+#line 69 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		if (!(_tmp0_ == ABSTRACT_SEMAPHORE_WAIT_ACTION_SLEEP)) {
+#line 69 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+			break;
+#line 400 "Semaphore.c"
+		}
+#line 70 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		g_cond_wait (&self->priv->monitor, &self->priv->mutex);
+#line 404 "Semaphore.c"
+	}
+#line 72 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_mutex_unlock (&self->priv->mutex);
+#line 408 "Semaphore.c"
+}
+
+
+static AbstractSemaphoreWaitAction abstract_semaphore_real_do_wait (AbstractSemaphore* self) {
+#line 76 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_critical ("Type `%s' does not implement abstract method `abstract_semaphore_do_wait'", g_type_name (G_TYPE_FROM_INSTANCE (self)));
+#line 76 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return 0;
+#line 417 "Semaphore.c"
+}
+
+
+AbstractSemaphoreWaitAction abstract_semaphore_do_wait (AbstractSemaphore* self) {
+#line 76 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_return_val_if_fail (IS_ABSTRACT_SEMAPHORE (self), 0);
+#line 76 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return ABSTRACT_SEMAPHORE_GET_CLASS (self)->do_wait (self);
+#line 426 "Semaphore.c"
+}
+
+
+gboolean abstract_semaphore_reset (AbstractSemaphore* self) {
+	gboolean result = FALSE;
+	gboolean is_reset = FALSE;
+	gboolean _tmp0_ = FALSE;
+#line 79 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_return_val_if_fail (IS_ABSTRACT_SEMAPHORE (self), FALSE);
+#line 80 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_mutex_lock (&self->priv->mutex);
+#line 81 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_tmp0_ = abstract_semaphore_do_reset (self);
+#line 81 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	is_reset = _tmp0_;
+#line 82 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_mutex_unlock (&self->priv->mutex);
+#line 84 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	result = is_reset;
+#line 84 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return result;
+#line 448 "Semaphore.c"
+}
+
+
+static gboolean abstract_semaphore_real_do_reset (AbstractSemaphore* self) {
+	gboolean result = FALSE;
+#line 90 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	result = FALSE;
+#line 90 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return result;
+#line 458 "Semaphore.c"
+}
+
+
+gboolean abstract_semaphore_do_reset (AbstractSemaphore* self) {
+#line 89 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_return_val_if_fail (IS_ABSTRACT_SEMAPHORE (self), FALSE);
+#line 89 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return ABSTRACT_SEMAPHORE_GET_CLASS (self)->do_reset (self);
+#line 467 "Semaphore.c"
+}
+
+
+static void value_abstract_semaphore_init (GValue* value) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	value->data[0].v_pointer = NULL;
+#line 474 "Semaphore.c"
+}
+
+
+static void value_abstract_semaphore_free_value (GValue* value) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	if (value->data[0].v_pointer) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		abstract_semaphore_unref (value->data[0].v_pointer);
+#line 483 "Semaphore.c"
+	}
+}
+
+
+static void value_abstract_semaphore_copy_value (const GValue* src_value, GValue* dest_value) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	if (src_value->data[0].v_pointer) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		dest_value->data[0].v_pointer = abstract_semaphore_ref (src_value->data[0].v_pointer);
+#line 493 "Semaphore.c"
+	} else {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		dest_value->data[0].v_pointer = NULL;
+#line 497 "Semaphore.c"
+	}
+}
+
+
+static gpointer value_abstract_semaphore_peek_pointer (const GValue* value) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return value->data[0].v_pointer;
+#line 505 "Semaphore.c"
+}
+
+
+static gchar* value_abstract_semaphore_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	if (collect_values[0].v_pointer) {
+#line 512 "Semaphore.c"
+		AbstractSemaphore* object;
+		object = collect_values[0].v_pointer;
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		if (object->parent_instance.g_class == NULL) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+			return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+#line 519 "Semaphore.c"
+		} else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+			return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+#line 523 "Semaphore.c"
+		}
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		value->data[0].v_pointer = abstract_semaphore_ref (object);
+#line 527 "Semaphore.c"
+	} else {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		value->data[0].v_pointer = NULL;
+#line 531 "Semaphore.c"
+	}
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return NULL;
+#line 535 "Semaphore.c"
+}
+
+
+static gchar* value_abstract_semaphore_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	AbstractSemaphore** object_p;
+	object_p = collect_values[0].v_pointer;
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	if (!object_p) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
+#line 546 "Semaphore.c"
+	}
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	if (!value->data[0].v_pointer) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		*object_p = NULL;
+#line 552 "Semaphore.c"
+	} else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		*object_p = value->data[0].v_pointer;
+#line 556 "Semaphore.c"
+	} else {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		*object_p = abstract_semaphore_ref (value->data[0].v_pointer);
+#line 560 "Semaphore.c"
+	}
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return NULL;
+#line 564 "Semaphore.c"
+}
+
+
+GParamSpec* param_spec_abstract_semaphore (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
+	ParamSpecAbstractSemaphore* spec;
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_return_val_if_fail (g_type_is_a (object_type, TYPE_ABSTRACT_SEMAPHORE), NULL);
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	G_PARAM_SPEC (spec)->value_type = object_type;
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return G_PARAM_SPEC (spec);
+#line 578 "Semaphore.c"
+}
+
+
+gpointer value_get_abstract_semaphore (const GValue* value) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_ABSTRACT_SEMAPHORE), NULL);
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return value->data[0].v_pointer;
+#line 587 "Semaphore.c"
+}
+
+
+void value_set_abstract_semaphore (GValue* value, gpointer v_object) {
+	AbstractSemaphore* old;
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_ABSTRACT_SEMAPHORE));
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	old = value->data[0].v_pointer;
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	if (v_object) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_ABSTRACT_SEMAPHORE));
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		value->data[0].v_pointer = v_object;
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		abstract_semaphore_ref (value->data[0].v_pointer);
+#line 607 "Semaphore.c"
+	} else {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		value->data[0].v_pointer = NULL;
+#line 611 "Semaphore.c"
+	}
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	if (old) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		abstract_semaphore_unref (old);
+#line 617 "Semaphore.c"
+	}
+}
+
+
+void value_take_abstract_semaphore (GValue* value, gpointer v_object) {
+	AbstractSemaphore* old;
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_ABSTRACT_SEMAPHORE));
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	old = value->data[0].v_pointer;
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	if (v_object) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_ABSTRACT_SEMAPHORE));
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		value->data[0].v_pointer = v_object;
+#line 636 "Semaphore.c"
+	} else {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		value->data[0].v_pointer = NULL;
+#line 640 "Semaphore.c"
+	}
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	if (old) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		abstract_semaphore_unref (old);
+#line 646 "Semaphore.c"
+	}
+}
+
+
+static void abstract_semaphore_class_init (AbstractSemaphoreClass * klass) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	abstract_semaphore_parent_class = g_type_class_peek_parent (klass);
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	((AbstractSemaphoreClass *) klass)->finalize = abstract_semaphore_finalize;
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_type_class_add_private (klass, sizeof (AbstractSemaphorePrivate));
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	((AbstractSemaphoreClass *) klass)->do_notify = abstract_semaphore_real_do_notify;
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	((AbstractSemaphoreClass *) klass)->do_wait = abstract_semaphore_real_do_wait;
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	((AbstractSemaphoreClass *) klass)->do_reset = abstract_semaphore_real_do_reset;
+#line 664 "Semaphore.c"
+}
+
+
+static void abstract_semaphore_instance_init (AbstractSemaphore * self) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self->priv = ABSTRACT_SEMAPHORE_GET_PRIVATE (self);
+#line 27 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_mutex_init (&self->priv->mutex);
+#line 28 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_cond_init (&self->priv->monitor);
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self->ref_count = 1;
+#line 677 "Semaphore.c"
+}
+
+
+static void abstract_semaphore_finalize (AbstractSemaphore* obj) {
+	AbstractSemaphore * self;
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self = G_TYPE_CHECK_INSTANCE_CAST (obj, TYPE_ABSTRACT_SEMAPHORE, AbstractSemaphore);
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_signal_handlers_destroy (self);
+#line 27 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_vala_clear_GMutex (&self->priv->mutex);
+#line 28 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_vala_clear_GCond (&self->priv->monitor);
+#line 691 "Semaphore.c"
+}
+
+
+GType abstract_semaphore_get_type (void) {
+	static volatile gsize abstract_semaphore_type_id__volatile = 0;
+	if (g_once_init_enter (&abstract_semaphore_type_id__volatile)) {
+		static const GTypeValueTable g_define_type_value_table = { value_abstract_semaphore_init, value_abstract_semaphore_free_value, value_abstract_semaphore_copy_value, value_abstract_semaphore_peek_pointer, "p", value_abstract_semaphore_collect_value, "p", value_abstract_semaphore_lcopy_value };
+		static const GTypeInfo g_define_type_info = { sizeof (AbstractSemaphoreClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) abstract_semaphore_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (AbstractSemaphore), 0, (GInstanceInitFunc) abstract_semaphore_instance_init, &g_define_type_value_table };
+		static const GTypeFundamentalInfo g_define_type_fundamental_info = { (G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
+		GType abstract_semaphore_type_id;
+		abstract_semaphore_type_id = g_type_register_fundamental (g_type_fundamental_next (), "AbstractSemaphore", &g_define_type_info, &g_define_type_fundamental_info, G_TYPE_FLAG_ABSTRACT);
+		g_once_init_leave (&abstract_semaphore_type_id__volatile, abstract_semaphore_type_id);
+	}
+	return abstract_semaphore_type_id__volatile;
+}
+
+
+gpointer abstract_semaphore_ref (gpointer instance) {
+	AbstractSemaphore* self;
+	self = instance;
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_atomic_int_inc (&self->ref_count);
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return instance;
+#line 716 "Semaphore.c"
+}
+
+
+void abstract_semaphore_unref (gpointer instance) {
+	AbstractSemaphore* self;
+	self = instance;
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	if (g_atomic_int_dec_and_test (&self->ref_count)) {
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		ABSTRACT_SEMAPHORE_GET_CLASS (self)->finalize (self);
+#line 10 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		g_type_free_instance ((GTypeInstance *) self);
+#line 729 "Semaphore.c"
+	}
+}
+
+
+Semaphore* semaphore_construct (GType object_type) {
+	Semaphore* self = NULL;
+#line 98 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self = (Semaphore*) abstract_semaphore_construct (object_type, ABSTRACT_SEMAPHORE_TYPE_BROADCAST);
+#line 97 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return self;
+#line 740 "Semaphore.c"
+}
+
+
+Semaphore* semaphore_new (void) {
+#line 97 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return semaphore_construct (TYPE_SEMAPHORE);
+#line 747 "Semaphore.c"
+}
+
+
+static AbstractSemaphoreNotifyAction semaphore_real_do_notify (AbstractSemaphore* base) {
+	Semaphore * self;
+	AbstractSemaphoreNotifyAction result = 0;
+	gboolean _tmp0_ = FALSE;
+#line 101 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self = G_TYPE_CHECK_INSTANCE_CAST (base, TYPE_SEMAPHORE, Semaphore);
+#line 102 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_tmp0_ = self->priv->passed;
+#line 102 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	if (_tmp0_) {
+#line 103 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		result = ABSTRACT_SEMAPHORE_NOTIFY_ACTION_NONE;
+#line 103 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		return result;
+#line 765 "Semaphore.c"
+	}
+#line 105 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self->priv->passed = TRUE;
+#line 107 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	result = ABSTRACT_SEMAPHORE_NOTIFY_ACTION_SIGNAL;
+#line 107 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return result;
+#line 773 "Semaphore.c"
+}
+
+
+static AbstractSemaphoreWaitAction semaphore_real_do_wait (AbstractSemaphore* base) {
+	Semaphore * self;
+	AbstractSemaphoreWaitAction result = 0;
+	AbstractSemaphoreWaitAction _tmp0_ = 0;
+	gboolean _tmp1_ = FALSE;
+#line 110 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self = G_TYPE_CHECK_INSTANCE_CAST (base, TYPE_SEMAPHORE, Semaphore);
+#line 111 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_tmp1_ = self->priv->passed;
+#line 111 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	if (_tmp1_) {
+#line 111 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		_tmp0_ = ABSTRACT_SEMAPHORE_WAIT_ACTION_READY;
+#line 790 "Semaphore.c"
+	} else {
+#line 111 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		_tmp0_ = ABSTRACT_SEMAPHORE_WAIT_ACTION_SLEEP;
+#line 794 "Semaphore.c"
+	}
+#line 111 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	result = _tmp0_;
+#line 111 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return result;
+#line 800 "Semaphore.c"
+}
+
+
+static void semaphore_class_init (SemaphoreClass * klass) {
+#line 94 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	semaphore_parent_class = g_type_class_peek_parent (klass);
+#line 94 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	((AbstractSemaphoreClass *) klass)->finalize = semaphore_finalize;
+#line 94 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_type_class_add_private (klass, sizeof (SemaphorePrivate));
+#line 94 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	((AbstractSemaphoreClass *) klass)->do_notify = semaphore_real_do_notify;
+#line 94 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	((AbstractSemaphoreClass *) klass)->do_wait = semaphore_real_do_wait;
+#line 815 "Semaphore.c"
+}
+
+
+static void semaphore_instance_init (Semaphore * self) {
+#line 94 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self->priv = SEMAPHORE_GET_PRIVATE (self);
+#line 95 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self->priv->passed = FALSE;
+#line 824 "Semaphore.c"
+}
+
+
+static void semaphore_finalize (AbstractSemaphore* obj) {
+	Semaphore * self;
+#line 94 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self = G_TYPE_CHECK_INSTANCE_CAST (obj, TYPE_SEMAPHORE, Semaphore);
+#line 94 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	ABSTRACT_SEMAPHORE_CLASS (semaphore_parent_class)->finalize (obj);
+#line 834 "Semaphore.c"
+}
+
+
+GType semaphore_get_type (void) {
+	static volatile gsize semaphore_type_id__volatile = 0;
+	if (g_once_init_enter (&semaphore_type_id__volatile)) {
+		static const GTypeInfo g_define_type_info = { sizeof (SemaphoreClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) semaphore_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (Semaphore), 0, (GInstanceInitFunc) semaphore_instance_init, NULL };
+		GType semaphore_type_id;
+		semaphore_type_id = g_type_register_static (TYPE_ABSTRACT_SEMAPHORE, "Semaphore", &g_define_type_info, 0);
+		g_once_init_leave (&semaphore_type_id__volatile, semaphore_type_id);
+	}
+	return semaphore_type_id__volatile;
+}
+
+
+CountdownSemaphore* countdown_semaphore_construct (GType object_type, gint total) {
+	CountdownSemaphore* self = NULL;
+	gint _tmp0_ = 0;
+#line 120 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self = (CountdownSemaphore*) abstract_semaphore_construct (object_type, ABSTRACT_SEMAPHORE_TYPE_BROADCAST);
+#line 122 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_tmp0_ = total;
+#line 122 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self->priv->total = _tmp0_;
+#line 119 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return self;
+#line 861 "Semaphore.c"
+}
+
+
+CountdownSemaphore* countdown_semaphore_new (gint total) {
+#line 119 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return countdown_semaphore_construct (TYPE_COUNTDOWN_SEMAPHORE, total);
+#line 868 "Semaphore.c"
+}
+
+
+static AbstractSemaphoreNotifyAction countdown_semaphore_real_do_notify (AbstractSemaphore* base) {
+	CountdownSemaphore * self;
+	AbstractSemaphoreNotifyAction result = 0;
+	gint _tmp0_ = 0;
+	gint _tmp1_ = 0;
+	AbstractSemaphoreNotifyAction _tmp4_ = 0;
+	gint _tmp5_ = 0;
+	gint _tmp6_ = 0;
+	gint _tmp7_ = 0;
+#line 125 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self = G_TYPE_CHECK_INSTANCE_CAST (base, TYPE_COUNTDOWN_SEMAPHORE, CountdownSemaphore);
+#line 126 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_tmp0_ = self->priv->passed;
+#line 126 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_tmp1_ = self->priv->total;
+#line 126 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	if (_tmp0_ >= _tmp1_) {
+#line 889 "Semaphore.c"
+		gint _tmp2_ = 0;
+		gint _tmp3_ = 0;
+#line 127 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		_tmp2_ = self->priv->passed;
+#line 127 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		_tmp3_ = self->priv->total;
+#line 127 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		g_critical ("Semaphore.vala:127: CountdownSemaphore overrun: %d/%d", _tmp2_ + 1, _tmp3_);
+#line 898 "Semaphore.c"
+	}
+#line 129 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_tmp5_ = self->priv->passed;
+#line 129 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self->priv->passed = _tmp5_ + 1;
+#line 129 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_tmp6_ = self->priv->passed;
+#line 129 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_tmp7_ = self->priv->total;
+#line 129 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	if (_tmp6_ >= _tmp7_) {
+#line 129 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		_tmp4_ = ABSTRACT_SEMAPHORE_NOTIFY_ACTION_SIGNAL;
+#line 912 "Semaphore.c"
+	} else {
+#line 129 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		_tmp4_ = ABSTRACT_SEMAPHORE_NOTIFY_ACTION_NONE;
+#line 916 "Semaphore.c"
+	}
+#line 129 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	result = _tmp4_;
+#line 129 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return result;
+#line 922 "Semaphore.c"
+}
+
+
+static AbstractSemaphoreWaitAction countdown_semaphore_real_do_wait (AbstractSemaphore* base) {
+	CountdownSemaphore * self;
+	AbstractSemaphoreWaitAction result = 0;
+	AbstractSemaphoreWaitAction _tmp0_ = 0;
+	gint _tmp1_ = 0;
+	gint _tmp2_ = 0;
+#line 132 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self = G_TYPE_CHECK_INSTANCE_CAST (base, TYPE_COUNTDOWN_SEMAPHORE, CountdownSemaphore);
+#line 133 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_tmp1_ = self->priv->passed;
+#line 133 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_tmp2_ = self->priv->total;
+#line 133 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	if (_tmp1_ < _tmp2_) {
+#line 133 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		_tmp0_ = ABSTRACT_SEMAPHORE_WAIT_ACTION_SLEEP;
+#line 942 "Semaphore.c"
+	} else {
+#line 133 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		_tmp0_ = ABSTRACT_SEMAPHORE_WAIT_ACTION_READY;
+#line 946 "Semaphore.c"
+	}
+#line 133 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	result = _tmp0_;
+#line 133 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return result;
+#line 952 "Semaphore.c"
+}
+
+
+static void countdown_semaphore_class_init (CountdownSemaphoreClass * klass) {
+#line 115 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	countdown_semaphore_parent_class = g_type_class_peek_parent (klass);
+#line 115 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	((AbstractSemaphoreClass *) klass)->finalize = countdown_semaphore_finalize;
+#line 115 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_type_class_add_private (klass, sizeof (CountdownSemaphorePrivate));
+#line 115 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	((AbstractSemaphoreClass *) klass)->do_notify = countdown_semaphore_real_do_notify;
+#line 115 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	((AbstractSemaphoreClass *) klass)->do_wait = countdown_semaphore_real_do_wait;
+#line 967 "Semaphore.c"
+}
+
+
+static void countdown_semaphore_instance_init (CountdownSemaphore * self) {
+#line 115 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self->priv = COUNTDOWN_SEMAPHORE_GET_PRIVATE (self);
+#line 117 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self->priv->passed = 0;
+#line 976 "Semaphore.c"
+}
+
+
+static void countdown_semaphore_finalize (AbstractSemaphore* obj) {
+	CountdownSemaphore * self;
+#line 115 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self = G_TYPE_CHECK_INSTANCE_CAST (obj, TYPE_COUNTDOWN_SEMAPHORE, CountdownSemaphore);
+#line 115 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	ABSTRACT_SEMAPHORE_CLASS (countdown_semaphore_parent_class)->finalize (obj);
+#line 986 "Semaphore.c"
+}
+
+
+GType countdown_semaphore_get_type (void) {
+	static volatile gsize countdown_semaphore_type_id__volatile = 0;
+	if (g_once_init_enter (&countdown_semaphore_type_id__volatile)) {
+		static const GTypeInfo g_define_type_info = { sizeof (CountdownSemaphoreClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) countdown_semaphore_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (CountdownSemaphore), 0, (GInstanceInitFunc) countdown_semaphore_instance_init, NULL };
+		GType countdown_semaphore_type_id;
+		countdown_semaphore_type_id = g_type_register_static (TYPE_ABSTRACT_SEMAPHORE, "CountdownSemaphore", &g_define_type_info, 0);
+		g_once_init_leave (&countdown_semaphore_type_id__volatile, countdown_semaphore_type_id);
+	}
+	return countdown_semaphore_type_id__volatile;
+}
+
+
+EventSemaphore* event_semaphore_construct (GType object_type) {
+	EventSemaphore* self = NULL;
+#line 141 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self = (EventSemaphore*) abstract_semaphore_construct (object_type, ABSTRACT_SEMAPHORE_TYPE_BROADCAST);
+#line 140 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return self;
+#line 1008 "Semaphore.c"
+}
+
+
+EventSemaphore* event_semaphore_new (void) {
+#line 140 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return event_semaphore_construct (TYPE_EVENT_SEMAPHORE);
+#line 1015 "Semaphore.c"
+}
+
+
+static AbstractSemaphoreNotifyAction event_semaphore_real_do_notify (AbstractSemaphore* base) {
+	EventSemaphore * self;
+	AbstractSemaphoreNotifyAction result = 0;
+#line 144 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self = G_TYPE_CHECK_INSTANCE_CAST (base, TYPE_EVENT_SEMAPHORE, EventSemaphore);
+#line 145 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self->priv->fired = TRUE;
+#line 147 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	result = ABSTRACT_SEMAPHORE_NOTIFY_ACTION_SIGNAL;
+#line 147 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return result;
+#line 1030 "Semaphore.c"
+}
+
+
+static AbstractSemaphoreWaitAction event_semaphore_real_do_wait (AbstractSemaphore* base) {
+	EventSemaphore * self;
+	AbstractSemaphoreWaitAction result = 0;
+	AbstractSemaphoreWaitAction _tmp0_ = 0;
+	gboolean _tmp1_ = FALSE;
+#line 150 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self = G_TYPE_CHECK_INSTANCE_CAST (base, TYPE_EVENT_SEMAPHORE, EventSemaphore);
+#line 151 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	_tmp1_ = self->priv->fired;
+#line 151 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	if (_tmp1_) {
+#line 151 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		_tmp0_ = ABSTRACT_SEMAPHORE_WAIT_ACTION_READY;
+#line 1047 "Semaphore.c"
+	} else {
+#line 151 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+		_tmp0_ = ABSTRACT_SEMAPHORE_WAIT_ACTION_SLEEP;
+#line 1051 "Semaphore.c"
+	}
+#line 151 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	result = _tmp0_;
+#line 151 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return result;
+#line 1057 "Semaphore.c"
+}
+
+
+static gboolean event_semaphore_real_do_reset (AbstractSemaphore* base) {
+	EventSemaphore * self;
+	gboolean result = FALSE;
+#line 154 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self = G_TYPE_CHECK_INSTANCE_CAST (base, TYPE_EVENT_SEMAPHORE, EventSemaphore);
+#line 155 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self->priv->fired = FALSE;
+#line 157 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	result = TRUE;
+#line 157 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	return result;
+#line 1072 "Semaphore.c"
+}
+
+
+static void event_semaphore_class_init (EventSemaphoreClass * klass) {
+#line 137 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	event_semaphore_parent_class = g_type_class_peek_parent (klass);
+#line 137 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	((AbstractSemaphoreClass *) klass)->finalize = event_semaphore_finalize;
+#line 137 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	g_type_class_add_private (klass, sizeof (EventSemaphorePrivate));
+#line 137 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	((AbstractSemaphoreClass *) klass)->do_notify = event_semaphore_real_do_notify;
+#line 137 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	((AbstractSemaphoreClass *) klass)->do_wait = event_semaphore_real_do_wait;
+#line 137 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	((AbstractSemaphoreClass *) klass)->do_reset = event_semaphore_real_do_reset;
+#line 1089 "Semaphore.c"
+}
+
+
+static void event_semaphore_instance_init (EventSemaphore * self) {
+#line 137 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self->priv = EVENT_SEMAPHORE_GET_PRIVATE (self);
+#line 138 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self->priv->fired = FALSE;
+#line 1098 "Semaphore.c"
+}
+
+
+static void event_semaphore_finalize (AbstractSemaphore* obj) {
+	EventSemaphore * self;
+#line 137 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	self = G_TYPE_CHECK_INSTANCE_CAST (obj, TYPE_EVENT_SEMAPHORE, EventSemaphore);
+#line 137 "/home/jens/Source/shotwell/src/threads/Semaphore.vala"
+	ABSTRACT_SEMAPHORE_CLASS (event_semaphore_parent_class)->finalize (obj);
+#line 1108 "Semaphore.c"
+}
+
+
+GType event_semaphore_get_type (void) {
+	static volatile gsize event_semaphore_type_id__volatile = 0;
+	if (g_once_init_enter (&event_semaphore_type_id__volatile)) {
+		static const GTypeInfo g_define_type_info = { sizeof (EventSemaphoreClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) event_semaphore_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (EventSemaphore), 0, (GInstanceInitFunc) event_semaphore_instance_init, NULL };
+		GType event_semaphore_type_id;
+		event_semaphore_type_id = g_type_register_static (TYPE_ABSTRACT_SEMAPHORE, "EventSemaphore", &g_define_type_info, 0);
+		g_once_init_leave (&event_semaphore_type_id__volatile, event_semaphore_type_id);
+	}
+	return event_semaphore_type_id__volatile;
+}
+
+
+static void _vala_clear_GMutex (GMutex * mutex) {
+	GMutex zero_mutex = { 0 };
+	if (memcmp (mutex, &zero_mutex, sizeof (GMutex))) {
+		g_mutex_clear (mutex);
+		memset (mutex, 0, sizeof (GMutex));
+	}
+}
+
+
+static void _vala_clear_GRecMutex (GRecMutex * mutex) {
+	GRecMutex zero_mutex = { 0 };
+	if (memcmp (mutex, &zero_mutex, sizeof (GRecMutex))) {
+		g_rec_mutex_clear (mutex);
+		memset (mutex, 0, sizeof (GRecMutex));
+	}
+}
+
+
+static void _vala_clear_GRWLock (GRWLock * mutex) {
+	GRWLock zero_mutex = { 0 };
+	if (memcmp (mutex, &zero_mutex, sizeof (GRWLock))) {
+		g_rw_lock_clear (mutex);
+		memset (mutex, 0, sizeof (GRWLock));
+	}
+}
+
+
+static void _vala_clear_GCond (GCond * mutex) {
+	GCond zero_mutex = { 0 };
+	if (memcmp (mutex, &zero_mutex, sizeof (GCond))) {
+		g_cond_clear (mutex);
+		memset (mutex, 0, sizeof (GCond));
+	}
+}
+
+
+
diff --git a/src/threads/Threads.c b/src/threads/Threads.c
new file mode 100644
index 0000000..d87457f
--- /dev/null
+++ b/src/threads/Threads.c
@@ -0,0 +1,28 @@
+/* Threads.c generated by valac 0.32.1, the Vala compiler
+ * generated from Threads.vala, do not modify */
+
+/* Copyright 2016 Software Freedom Conservancy Inc.
+ *
+ * This software is licensed under the GNU Lesser General Public License
+ * (version 2.1 or later).  See the COPYING file in this distribution.
+ */
+
+#include <glib.h>
+#include <glib-object.h>
+
+
+
+
+void threads_init (GError** error);
+void threads_terminate (void);
+
+
+void threads_init (GError** error) {
+}
+
+
+void threads_terminate (void) {
+}
+
+
+
diff --git a/src/threads/Workers.c b/src/threads/Workers.c
new file mode 100644
index 0000000..92d5e97
--- /dev/null
+++ b/src/threads/Workers.c
@@ -0,0 +1,1074 @@
+/* Workers.c generated by valac 0.32.1, the Vala compiler
+ * generated from Workers.vala, do not modify */
+
+/* Copyright 2016 Software Freedom Conservancy Inc.
+ *
+ * This software is licensed under the GNU LGPL (version 2.1 or later).
+ * See the COPYING file in this distribution.
+ */
+
+#include <glib.h>
+#include <glib-object.h>
+#include <gee.h>
+#include <gobject/gvaluecollector.h>
+
+
+#define TYPE_SORTED_LIST (sorted_list_get_type ())
+#define SORTED_LIST(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_SORTED_LIST, SortedList))
+#define SORTED_LIST_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_SORTED_LIST, SortedListClass))
+#define IS_SORTED_LIST(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_SORTED_LIST))
+#define IS_SORTED_LIST_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_SORTED_LIST))
+#define SORTED_LIST_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_SORTED_LIST, SortedListClass))
+
+typedef struct _SortedList SortedList;
+typedef struct _SortedListClass SortedListClass;
+typedef struct _SortedListPrivate SortedListPrivate;
+
+#define TYPE_BACKGROUND_JOB_BATCH (background_job_batch_get_type ())
+#define BACKGROUND_JOB_BATCH(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_BACKGROUND_JOB_BATCH, BackgroundJobBatch))
+#define BACKGROUND_JOB_BATCH_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_BACKGROUND_JOB_BATCH, BackgroundJobBatchClass))
+#define IS_BACKGROUND_JOB_BATCH(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_BACKGROUND_JOB_BATCH))
+#define IS_BACKGROUND_JOB_BATCH_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_BACKGROUND_JOB_BATCH))
+#define BACKGROUND_JOB_BATCH_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_BACKGROUND_JOB_BATCH, BackgroundJobBatchClass))
+
+typedef struct _BackgroundJobBatch BackgroundJobBatch;
+typedef struct _BackgroundJobBatchClass BackgroundJobBatchClass;
+typedef struct _BackgroundJobBatchPrivate BackgroundJobBatchPrivate;
+
+#define TYPE_BACKGROUND_JOB (background_job_get_type ())
+#define BACKGROUND_JOB(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_BACKGROUND_JOB, BackgroundJob))
+#define BACKGROUND_JOB_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_BACKGROUND_JOB, BackgroundJobClass))
+#define IS_BACKGROUND_JOB(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_BACKGROUND_JOB))
+#define IS_BACKGROUND_JOB_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_BACKGROUND_JOB))
+#define BACKGROUND_JOB_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_BACKGROUND_JOB, BackgroundJobClass))
+
+typedef struct _BackgroundJob BackgroundJob;
+typedef struct _BackgroundJobClass BackgroundJobClass;
+
+#define TYPE_WORKERS (workers_get_type ())
+#define WORKERS(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_WORKERS, Workers))
+#define WORKERS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_WORKERS, WorkersClass))
+#define IS_WORKERS(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_WORKERS))
+#define IS_WORKERS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_WORKERS))
+#define WORKERS_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_WORKERS, WorkersClass))
+
+typedef struct _Workers Workers;
+typedef struct _WorkersClass WorkersClass;
+typedef struct _WorkersPrivate WorkersPrivate;
+
+#define TYPE_ABSTRACT_SEMAPHORE (abstract_semaphore_get_type ())
+#define ABSTRACT_SEMAPHORE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_ABSTRACT_SEMAPHORE, AbstractSemaphore))
+#define ABSTRACT_SEMAPHORE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_ABSTRACT_SEMAPHORE, AbstractSemaphoreClass))
+#define IS_ABSTRACT_SEMAPHORE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_ABSTRACT_SEMAPHORE))
+#define IS_ABSTRACT_SEMAPHORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_ABSTRACT_SEMAPHORE))
+#define ABSTRACT_SEMAPHORE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_ABSTRACT_SEMAPHORE, AbstractSemaphoreClass))
+
+typedef struct _AbstractSemaphore AbstractSemaphore;
+typedef struct _AbstractSemaphoreClass AbstractSemaphoreClass;
+
+#define TYPE_EVENT_SEMAPHORE (event_semaphore_get_type ())
+#define EVENT_SEMAPHORE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), TYPE_EVENT_SEMAPHORE, EventSemaphore))
+#define EVENT_SEMAPHORE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), TYPE_EVENT_SEMAPHORE, EventSemaphoreClass))
+#define IS_EVENT_SEMAPHORE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), TYPE_EVENT_SEMAPHORE))
+#define IS_EVENT_SEMAPHORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), TYPE_EVENT_SEMAPHORE))
+#define EVENT_SEMAPHORE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), TYPE_EVENT_SEMAPHORE, EventSemaphoreClass))
+
+typedef struct _EventSemaphore EventSemaphore;
+typedef struct _EventSemaphoreClass EventSemaphoreClass;
+#define _g_thread_pool_free0(var) ((var == NULL) ? NULL : (var = (g_thread_pool_free (var, FALSE, TRUE), NULL)))
+#define _g_async_queue_unref0(var) ((var == NULL) ? NULL : (var = (g_async_queue_unref (var), NULL)))
+#define _abstract_semaphore_unref0(var) ((var == NULL) ? NULL : (var = (abstract_semaphore_unref (var), NULL)))
+#define _g_error_free0(var) ((var == NULL) ? NULL : (var = (g_error_free (var), NULL)))
+#define _background_job_unref0(var) ((var == NULL) ? NULL : (var = (background_job_unref (var), NULL)))
+#define _g_object_unref0(var) ((var == NULL) ? NULL : (var = (g_object_unref (var), NULL)))
+typedef struct _ParamSpecWorkers ParamSpecWorkers;
+#define _vala_assert(expr, msg) if G_LIKELY (expr) ; else g_assertion_message_expr (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, msg);
+#define _vala_return_if_fail(expr, msg) if G_LIKELY (expr) ; else { g_return_if_fail_warning (G_LOG_DOMAIN, G_STRFUNC, msg); return; }
+#define _vala_return_val_if_fail(expr, msg, val) if G_LIKELY (expr) ; else { g_return_if_fail_warning (G_LOG_DOMAIN, G_STRFUNC, msg); return val; }
+#define _vala_warn_if_fail(expr, msg) if G_LIKELY (expr) ; else g_warn_message (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, msg);
+
+struct _SortedList {
+	GObject parent_instance;
+	SortedListPrivate * priv;
+};
+
+struct _SortedListClass {
+	GObjectClass parent_class;
+};
+
+struct _BackgroundJobBatch {
+	SortedList parent_instance;
+	BackgroundJobBatchPrivate * priv;
+};
+
+struct _BackgroundJobBatchClass {
+	SortedListClass parent_class;
+};
+
+typedef gint64 (*Comparator) (void* a, void* b, void* user_data);
+struct _Workers {
+	GTypeInstance parent_instance;
+	volatile int ref_count;
+	WorkersPrivate * priv;
+};
+
+struct _WorkersClass {
+	GTypeClass parent_class;
+	void (*finalize) (Workers *self);
+};
+
+struct _WorkersPrivate {
+	GThreadPool* thread_pool;
+	GAsyncQueue* queue;
+	GRecMutex __lock_queue;
+	EventSemaphore* empty_event;
+	gint enqueued;
+};
+
+struct _ParamSpecWorkers {
+	GParamSpec parent_instance;
+};
+
+
+static gpointer background_job_batch_parent_class = NULL;
+static gpointer workers_parent_class = NULL;
+
+GType sorted_list_get_type (void) G_GNUC_CONST;
+GType background_job_batch_get_type (void) G_GNUC_CONST;
+enum  {
+	BACKGROUND_JOB_BATCH_DUMMY_PROPERTY
+};
+BackgroundJobBatch* background_job_batch_new (void);
+BackgroundJobBatch* background_job_batch_construct (GType object_type);
+gint64 background_job_priority_comparator (void* a, void* b);
+static gint64 _background_job_priority_comparator_comparator (void* a, void* b, gpointer self);
+SortedList* sorted_list_new (GType g_type, GBoxedCopyFunc g_dup_func, GDestroyNotify g_destroy_func, Comparator cmp, void* cmp_target);
+SortedList* sorted_list_construct (GType object_type, GType g_type, GBoxedCopyFunc g_dup_func, GDestroyNotify g_destroy_func, Comparator cmp, void* cmp_target);
+gpointer background_job_ref (gpointer instance);
+void background_job_unref (gpointer instance);
+GParamSpec* param_spec_background_job (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags);
+void value_set_background_job (GValue* value, gpointer v_object);
+void value_take_background_job (GValue* value, gpointer v_object);
+gpointer value_get_background_job (const GValue* value);
+GType background_job_get_type (void) G_GNUC_CONST;
+gpointer workers_ref (gpointer instance);
+void workers_unref (gpointer instance);
+GParamSpec* param_spec_workers (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags);
+void value_set_workers (GValue* value, gpointer v_object);
+void value_take_workers (GValue* value, gpointer v_object);
+gpointer value_get_workers (const GValue* value);
+GType workers_get_type (void) G_GNUC_CONST;
+gpointer abstract_semaphore_ref (gpointer instance);
+void abstract_semaphore_unref (gpointer instance);
+GParamSpec* param_spec_abstract_semaphore (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags);
+void value_set_abstract_semaphore (GValue* value, gpointer v_object);
+void value_take_abstract_semaphore (GValue* value, gpointer v_object);
+gpointer value_get_abstract_semaphore (const GValue* value);
+GType abstract_semaphore_get_type (void) G_GNUC_CONST;
+GType event_semaphore_get_type (void) G_GNUC_CONST;
+#define WORKERS_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TYPE_WORKERS, WorkersPrivate))
+enum  {
+	WORKERS_DUMMY_PROPERTY
+};
+static void _background_job_unref0_ (gpointer var);
+EventSemaphore* event_semaphore_new (void);
+EventSemaphore* event_semaphore_construct (GType object_type);
+#define WORKERS_UNLIMITED_THREADS -1
+Workers* workers_new (guint max_threads, gboolean exclusive);
+Workers* workers_construct (GType object_type, guint max_threads, gboolean exclusive);
+void abstract_semaphore_notify (AbstractSemaphore* self);
+static void workers_thread_start (Workers* self, void* ignored);
+static void _workers_thread_start_gfunc (gpointer data, gpointer self);
+guint workers_threads_per_cpu (gint per, gint max);
+guint workers_thread_per_cpu_minus_one (void);
+void workers_enqueue (Workers* self, BackgroundJob* job);
+gboolean abstract_semaphore_reset (AbstractSemaphore* self);
+gint background_job_priority_compare_func (BackgroundJob* a, BackgroundJob* b);
+static gint _background_job_priority_compare_func_gcompare_data_func (gconstpointer a, gconstpointer b, gpointer self);
+void workers_enqueue_many (Workers* self, BackgroundJobBatch* batch);
+void workers_wait_for_empty_queue (Workers* self);
+void abstract_semaphore_wait (AbstractSemaphore* self);
+gint workers_get_pending_job_count (Workers* self);
+gboolean background_job_is_cancelled (BackgroundJob* self);
+void background_job_execute (BackgroundJob* self);
+void background_job_internal_notify_completion (BackgroundJob* self);
+static void workers_finalize (Workers* obj);
+
+
+static gint64 _background_job_priority_comparator_comparator (void* a, void* b, gpointer self) {
+	gint64 result;
+	result = background_job_priority_comparator (a, b);
+#line 10 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	return result;
+#line 204 "Workers.c"
+}
+
+
+BackgroundJobBatch* background_job_batch_construct (GType object_type) {
+	BackgroundJobBatch * self = NULL;
+#line 10 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	self = (BackgroundJobBatch*) sorted_list_construct (object_type, TYPE_BACKGROUND_JOB, (GBoxedCopyFunc) background_job_ref, background_job_unref, _background_job_priority_comparator_comparator, NULL);
+#line 9 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	return self;
+#line 214 "Workers.c"
+}
+
+
+BackgroundJobBatch* background_job_batch_new (void) {
+#line 9 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	return background_job_batch_construct (TYPE_BACKGROUND_JOB_BATCH);
+#line 221 "Workers.c"
+}
+
+
+static void background_job_batch_class_init (BackgroundJobBatchClass * klass) {
+#line 8 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	background_job_batch_parent_class = g_type_class_peek_parent (klass);
+#line 228 "Workers.c"
+}
+
+
+static void background_job_batch_instance_init (BackgroundJobBatch * self) {
+}
+
+
+GType background_job_batch_get_type (void) {
+	static volatile gsize background_job_batch_type_id__volatile = 0;
+	if (g_once_init_enter (&background_job_batch_type_id__volatile)) {
+		static const GTypeInfo g_define_type_info = { sizeof (BackgroundJobBatchClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) background_job_batch_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (BackgroundJobBatch), 0, (GInstanceInitFunc) background_job_batch_instance_init, NULL };
+		GType background_job_batch_type_id;
+		background_job_batch_type_id = g_type_register_static (TYPE_SORTED_LIST, "BackgroundJobBatch", &g_define_type_info, 0);
+		g_once_init_leave (&background_job_batch_type_id__volatile, background_job_batch_type_id);
+	}
+	return background_job_batch_type_id__volatile;
+}
+
+
+static void _background_job_unref0_ (gpointer var) {
+#line 19 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	(var == NULL) ? NULL : (var = (background_job_unref (var), NULL));
+#line 251 "Workers.c"
+}
+
+
+static void _workers_thread_start_gfunc (gpointer data, gpointer self) {
+#line 31 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	workers_thread_start ((Workers*) self, data);
+#line 258 "Workers.c"
+}
+
+
+Workers* workers_construct (GType object_type, guint max_threads, gboolean exclusive) {
+	Workers* self = NULL;
+	gboolean _tmp0_ = FALSE;
+	guint _tmp1_ = 0U;
+	EventSemaphore* _tmp3_ = NULL;
+	GError * _inner_error_ = NULL;
+#line 23 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	self = (Workers*) g_type_create_instance (object_type);
+#line 24 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_tmp1_ = max_threads;
+#line 24 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	if (_tmp1_ <= ((guint) 0)) {
+#line 274 "Workers.c"
+		guint _tmp2_ = 0U;
+#line 24 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp2_ = max_threads;
+#line 24 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp0_ = _tmp2_ != ((guint) WORKERS_UNLIMITED_THREADS);
+#line 280 "Workers.c"
+	} else {
+#line 24 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp0_ = FALSE;
+#line 284 "Workers.c"
+	}
+#line 24 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	if (_tmp0_) {
+#line 25 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		max_threads = (guint) 1;
+#line 290 "Workers.c"
+	}
+#line 28 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_tmp3_ = self->priv->empty_event;
+#line 28 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	abstract_semaphore_notify (G_TYPE_CHECK_INSTANCE_CAST (_tmp3_, TYPE_ABSTRACT_SEMAPHORE, AbstractSemaphore));
+#line 296 "Workers.c"
+	{
+		GThreadPool* _tmp4_ = NULL;
+		guint _tmp5_ = 0U;
+		gboolean _tmp6_ = FALSE;
+		GThreadPool* _tmp7_ = NULL;
+		GThreadPool* _tmp8_ = NULL;
+#line 31 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp5_ = max_threads;
+#line 31 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp6_ = exclusive;
+#line 31 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp7_ = g_thread_pool_new (_workers_thread_start_gfunc, self, (gint) _tmp5_, _tmp6_, &_inner_error_);
+#line 31 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp4_ = _tmp7_;
+#line 31 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		if (G_UNLIKELY (_inner_error_ != NULL)) {
+#line 31 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			if (_inner_error_->domain == G_THREAD_ERROR) {
+#line 315 "Workers.c"
+				goto __catch6_g_thread_error;
+			}
+#line 31 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			g_critical ("file %s: line %d: unexpected error: %s (%s, %d)", __FILE__, __LINE__, _inner_error_->message, g_quark_to_string (_inner_error_->domain), _inner_error_->code);
+#line 31 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			g_clear_error (&_inner_error_);
+#line 31 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			return NULL;
+#line 324 "Workers.c"
+		}
+#line 31 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp8_ = _tmp4_;
+#line 31 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp4_ = NULL;
+#line 31 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_g_thread_pool_free0 (self->priv->thread_pool);
+#line 31 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		self->priv->thread_pool = _tmp8_;
+#line 30 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_g_thread_pool_free0 (_tmp4_);
+#line 336 "Workers.c"
+	}
+	goto __finally6;
+	__catch6_g_thread_error:
+	{
+		GError* err = NULL;
+		const gchar* _tmp9_ = NULL;
+#line 30 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		err = _inner_error_;
+#line 30 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_inner_error_ = NULL;
+#line 33 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp9_ = err->message;
+#line 33 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		g_error ("Workers.vala:33: Unable to create thread pool: %s", _tmp9_);
+#line 30 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_g_error_free0 (err);
+#line 353 "Workers.c"
+	}
+	__finally6:
+#line 30 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	if (G_UNLIKELY (_inner_error_ != NULL)) {
+#line 30 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		g_critical ("file %s: line %d: uncaught error: %s (%s, %d)", __FILE__, __LINE__, _inner_error_->message, g_quark_to_string (_inner_error_->domain), _inner_error_->code);
+#line 30 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		g_clear_error (&_inner_error_);
+#line 30 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		return NULL;
+#line 364 "Workers.c"
+	}
+#line 23 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	return self;
+#line 368 "Workers.c"
+}
+
+
+Workers* workers_new (guint max_threads, gboolean exclusive) {
+#line 23 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	return workers_construct (TYPE_WORKERS, max_threads, exclusive);
+#line 375 "Workers.c"
+}
+
+
+guint workers_threads_per_cpu (gint per, gint max) {
+	guint result = 0U;
+	gint _tmp0_ = 0;
+	guint count = 0U;
+	guint _tmp1_ = 0U;
+	gint _tmp2_ = 0;
+	guint _tmp3_ = 0U;
+	gint _tmp4_ = 0;
+	guint _tmp9_ = 0U;
+	guint _tmp10_ = 0U;
+#line 37 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_tmp0_ = per;
+#line 37 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_vala_return_val_if_fail (_tmp0_ > 0, "per > 0", 0U);
+#line 38 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_tmp1_ = g_get_num_processors ();
+#line 38 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_tmp2_ = per;
+#line 38 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	count = _tmp1_ * _tmp2_;
+#line 40 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_tmp4_ = max;
+#line 40 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	if (_tmp4_ < 0) {
+#line 403 "Workers.c"
+		guint _tmp5_ = 0U;
+#line 40 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp5_ = count;
+#line 40 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp3_ = _tmp5_;
+#line 409 "Workers.c"
+	} else {
+		guint _tmp6_ = 0U;
+		gint _tmp7_ = 0;
+		guint _tmp8_ = 0U;
+#line 40 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp6_ = count;
+#line 40 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp7_ = max;
+#line 40 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp8_ = CLAMP (_tmp6_, (guint) 0, (guint) _tmp7_);
+#line 40 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp3_ = _tmp8_;
+#line 422 "Workers.c"
+	}
+#line 40 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	result = _tmp3_;
+#line 40 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_tmp9_ = result;
+#line 40 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_vala_warn_if_fail (_tmp9_ > ((guint) 0), "result > 0");
+#line 40 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	return result;
+#line 432 "Workers.c"
+}
+
+
+guint workers_thread_per_cpu_minus_one (void) {
+	guint result = 0U;
+	guint _tmp0_ = 0U;
+	guint _tmp1_ = 0U;
+	guint _tmp2_ = 0U;
+	guint _tmp3_ = 0U;
+#line 46 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_tmp0_ = g_get_num_processors ();
+#line 46 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_tmp1_ = CLAMP (_tmp0_ - 1, (guint) 1, (guint) G_MAXINT);
+#line 46 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	result = _tmp1_;
+#line 46 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_tmp2_ = result;
+#line 46 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_vala_warn_if_fail (_tmp2_ > ((guint) 0), "result > 0");
+#line 46 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	return result;
+#line 454 "Workers.c"
+}
+
+
+static gpointer _background_job_ref0 (gpointer self) {
+#line 55 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	return self ? background_job_ref (self) : NULL;
+#line 461 "Workers.c"
+}
+
+
+static gint _background_job_priority_compare_func_gcompare_data_func (gconstpointer a, gconstpointer b, gpointer self) {
+	gint result;
+	result = background_job_priority_compare_func ((BackgroundJob*) a, (BackgroundJob*) b);
+#line 55 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	return result;
+#line 470 "Workers.c"
+}
+
+
+void workers_enqueue (Workers* self, BackgroundJob* job) {
+	EventSemaphore* _tmp0_ = NULL;
+	GError * _inner_error_ = NULL;
+#line 51 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	g_return_if_fail (IS_WORKERS (self));
+#line 51 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	g_return_if_fail (IS_BACKGROUND_JOB (job));
+#line 52 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_tmp0_ = self->priv->empty_event;
+#line 52 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	abstract_semaphore_reset (G_TYPE_CHECK_INSTANCE_CAST (_tmp0_, TYPE_ABSTRACT_SEMAPHORE, AbstractSemaphore));
+#line 485 "Workers.c"
+	{
+		GAsyncQueue* _tmp1_ = NULL;
+#line 54 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp1_ = self->priv->queue;
+#line 54 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		g_rec_mutex_lock (&self->priv->__lock_queue);
+#line 492 "Workers.c"
+		{
+			GAsyncQueue* _tmp2_ = NULL;
+			BackgroundJob* _tmp3_ = NULL;
+			BackgroundJob* _tmp4_ = NULL;
+			gint _tmp5_ = 0;
+#line 55 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_tmp2_ = self->priv->queue;
+#line 55 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_tmp3_ = job;
+#line 55 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_tmp4_ = _background_job_ref0 (_tmp3_);
+#line 55 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			g_async_queue_push_sorted (_tmp2_, _tmp4_, _background_job_priority_compare_func_gcompare_data_func, NULL);
+#line 56 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_tmp5_ = self->priv->enqueued;
+#line 56 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			self->priv->enqueued = _tmp5_ + 1;
+#line 510 "Workers.c"
+		}
+		__finally7:
+		{
+			GAsyncQueue* _tmp6_ = NULL;
+#line 54 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_tmp6_ = self->priv->queue;
+#line 54 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			g_rec_mutex_unlock (&self->priv->__lock_queue);
+#line 519 "Workers.c"
+		}
+#line 54 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		if (G_UNLIKELY (_inner_error_ != NULL)) {
+#line 54 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			g_critical ("file %s: line %d: uncaught error: %s (%s, %d)", __FILE__, __LINE__, _inner_error_->message, g_quark_to_string (_inner_error_->domain), _inner_error_->code);
+#line 54 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			g_clear_error (&_inner_error_);
+#line 54 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			return;
+#line 529 "Workers.c"
+		}
+	}
+	{
+		GThreadPool* _tmp7_ = NULL;
+		BackgroundJob* _tmp8_ = NULL;
+#line 60 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp7_ = self->priv->thread_pool;
+#line 60 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp8_ = job;
+#line 60 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		g_thread_pool_push (_tmp7_, _tmp8_, &_inner_error_);
+#line 60 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		if (G_UNLIKELY (_inner_error_ != NULL)) {
+#line 60 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			if (_inner_error_->domain == G_THREAD_ERROR) {
+#line 545 "Workers.c"
+				goto __catch8_g_thread_error;
+			}
+#line 60 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			g_critical ("file %s: line %d: unexpected error: %s (%s, %d)", __FILE__, __LINE__, _inner_error_->message, g_quark_to_string (_inner_error_->domain), _inner_error_->code);
+#line 60 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			g_clear_error (&_inner_error_);
+#line 60 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			return;
+#line 554 "Workers.c"
+		}
+	}
+	goto __finally8;
+	__catch8_g_thread_error:
+	{
+		GError* err = NULL;
+		GError* _tmp9_ = NULL;
+		const gchar* _tmp10_ = NULL;
+#line 59 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		err = _inner_error_;
+#line 59 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_inner_error_ = NULL;
+#line 64 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp9_ = err;
+#line 64 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp10_ = _tmp9_->message;
+#line 64 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		g_warning ("Workers.vala:64: Unable to create worker thread: %s", _tmp10_);
+#line 59 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_g_error_free0 (err);
+#line 575 "Workers.c"
+	}
+	__finally8:
+#line 59 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	if (G_UNLIKELY (_inner_error_ != NULL)) {
+#line 59 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		g_critical ("file %s: line %d: uncaught error: %s (%s, %d)", __FILE__, __LINE__, _inner_error_->message, g_quark_to_string (_inner_error_->domain), _inner_error_->code);
+#line 59 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		g_clear_error (&_inner_error_);
+#line 59 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		return;
+#line 586 "Workers.c"
+	}
+}
+
+
+void workers_enqueue_many (Workers* self, BackgroundJobBatch* batch) {
+#line 68 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	g_return_if_fail (IS_WORKERS (self));
+#line 68 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	g_return_if_fail (IS_BACKGROUND_JOB_BATCH (batch));
+#line 596 "Workers.c"
+	{
+		GeeIterator* _job_it = NULL;
+		BackgroundJobBatch* _tmp0_ = NULL;
+		GeeIterator* _tmp1_ = NULL;
+#line 69 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp0_ = batch;
+#line 69 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp1_ = gee_iterable_iterator (G_TYPE_CHECK_INSTANCE_CAST (_tmp0_, GEE_TYPE_ITERABLE, GeeIterable));
+#line 69 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_job_it = _tmp1_;
+#line 69 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		while (TRUE) {
+#line 609 "Workers.c"
+			GeeIterator* _tmp2_ = NULL;
+			gboolean _tmp3_ = FALSE;
+			BackgroundJob* job = NULL;
+			GeeIterator* _tmp4_ = NULL;
+			gpointer _tmp5_ = NULL;
+			BackgroundJob* _tmp6_ = NULL;
+#line 69 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_tmp2_ = _job_it;
+#line 69 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_tmp3_ = gee_iterator_next (_tmp2_);
+#line 69 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			if (!_tmp3_) {
+#line 69 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+				break;
+#line 624 "Workers.c"
+			}
+#line 69 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_tmp4_ = _job_it;
+#line 69 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_tmp5_ = gee_iterator_get (_tmp4_);
+#line 69 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			job = (BackgroundJob*) _tmp5_;
+#line 70 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_tmp6_ = job;
+#line 70 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			workers_enqueue (self, _tmp6_);
+#line 69 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_background_job_unref0 (job);
+#line 638 "Workers.c"
+		}
+#line 69 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_g_object_unref0 (_job_it);
+#line 642 "Workers.c"
+	}
+}
+
+
+void workers_wait_for_empty_queue (Workers* self) {
+	EventSemaphore* _tmp0_ = NULL;
+#line 73 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	g_return_if_fail (IS_WORKERS (self));
+#line 74 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_tmp0_ = self->priv->empty_event;
+#line 74 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	abstract_semaphore_wait (G_TYPE_CHECK_INSTANCE_CAST (_tmp0_, TYPE_ABSTRACT_SEMAPHORE, AbstractSemaphore));
+#line 655 "Workers.c"
+}
+
+
+gint workers_get_pending_job_count (Workers* self) {
+	gint result = 0;
+	GError * _inner_error_ = NULL;
+#line 78 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	g_return_val_if_fail (IS_WORKERS (self), 0);
+#line 664 "Workers.c"
+	{
+		GAsyncQueue* _tmp0_ = NULL;
+#line 79 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp0_ = self->priv->queue;
+#line 79 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		g_rec_mutex_lock (&self->priv->__lock_queue);
+#line 671 "Workers.c"
+		{
+			gint _tmp1_ = 0;
+#line 80 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_tmp1_ = self->priv->enqueued;
+#line 80 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			result = _tmp1_;
+#line 678 "Workers.c"
+			{
+				GAsyncQueue* _tmp2_ = NULL;
+#line 79 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+				_tmp2_ = self->priv->queue;
+#line 79 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+				g_rec_mutex_unlock (&self->priv->__lock_queue);
+#line 685 "Workers.c"
+			}
+#line 80 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			return result;
+#line 689 "Workers.c"
+		}
+		__finally9:
+		{
+			GAsyncQueue* _tmp3_ = NULL;
+#line 79 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_tmp3_ = self->priv->queue;
+#line 79 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			g_rec_mutex_unlock (&self->priv->__lock_queue);
+#line 698 "Workers.c"
+		}
+#line 79 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		g_critical ("file %s: line %d: uncaught error: %s (%s, %d)", __FILE__, __LINE__, _inner_error_->message, g_quark_to_string (_inner_error_->domain), _inner_error_->code);
+#line 79 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		g_clear_error (&_inner_error_);
+#line 79 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		return 0;
+#line 706 "Workers.c"
+	}
+}
+
+
+static void workers_thread_start (Workers* self, void* ignored) {
+	BackgroundJob* job = NULL;
+	gboolean empty = FALSE;
+	gboolean _tmp7_ = FALSE;
+	GError * _inner_error_ = NULL;
+#line 84 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	g_return_if_fail (IS_WORKERS (self));
+#line 718 "Workers.c"
+	{
+		GAsyncQueue* _tmp0_ = NULL;
+#line 87 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp0_ = self->priv->queue;
+#line 87 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		g_rec_mutex_lock (&self->priv->__lock_queue);
+#line 725 "Workers.c"
+		{
+			GAsyncQueue* _tmp1_ = NULL;
+			gpointer _tmp2_ = NULL;
+			gint _tmp3_ = 0;
+			gint _tmp4_ = 0;
+			gint _tmp5_ = 0;
+#line 88 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_tmp1_ = self->priv->queue;
+#line 88 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_tmp2_ = g_async_queue_try_pop (_tmp1_);
+#line 88 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_background_job_unref0 (job);
+#line 88 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			job = (BackgroundJob*) _tmp2_;
+#line 89 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_vala_assert (job != NULL, "job != null");
+#line 91 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_tmp3_ = self->priv->enqueued;
+#line 91 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_vala_assert (_tmp3_ > 0, "enqueued > 0");
+#line 92 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_tmp4_ = self->priv->enqueued;
+#line 92 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			self->priv->enqueued = _tmp4_ - 1;
+#line 92 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_tmp5_ = self->priv->enqueued;
+#line 92 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			empty = _tmp5_ == 0;
+#line 754 "Workers.c"
+		}
+		__finally10:
+		{
+			GAsyncQueue* _tmp6_ = NULL;
+#line 87 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_tmp6_ = self->priv->queue;
+#line 87 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			g_rec_mutex_unlock (&self->priv->__lock_queue);
+#line 763 "Workers.c"
+		}
+#line 87 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		if (G_UNLIKELY (_inner_error_ != NULL)) {
+#line 87 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			_background_job_unref0 (job);
+#line 87 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			g_critical ("file %s: line %d: uncaught error: %s (%s, %d)", __FILE__, __LINE__, _inner_error_->message, g_quark_to_string (_inner_error_->domain), _inner_error_->code);
+#line 87 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			g_clear_error (&_inner_error_);
+#line 87 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			return;
+#line 775 "Workers.c"
+		}
+	}
+#line 95 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_tmp7_ = background_job_is_cancelled (job);
+#line 95 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	if (!_tmp7_) {
+#line 96 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		background_job_execute (job);
+#line 784 "Workers.c"
+	}
+#line 98 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	background_job_internal_notify_completion (job);
+#line 100 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	if (empty) {
+#line 790 "Workers.c"
+		EventSemaphore* _tmp8_ = NULL;
+#line 101 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		_tmp8_ = self->priv->empty_event;
+#line 101 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		abstract_semaphore_notify (G_TYPE_CHECK_INSTANCE_CAST (_tmp8_, TYPE_ABSTRACT_SEMAPHORE, AbstractSemaphore));
+#line 796 "Workers.c"
+	}
+#line 84 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_background_job_unref0 (job);
+#line 800 "Workers.c"
+}
+
+
+static void value_workers_init (GValue* value) {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	value->data[0].v_pointer = NULL;
+#line 807 "Workers.c"
+}
+
+
+static void value_workers_free_value (GValue* value) {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	if (value->data[0].v_pointer) {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		workers_unref (value->data[0].v_pointer);
+#line 816 "Workers.c"
+	}
+}
+
+
+static void value_workers_copy_value (const GValue* src_value, GValue* dest_value) {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	if (src_value->data[0].v_pointer) {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		dest_value->data[0].v_pointer = workers_ref (src_value->data[0].v_pointer);
+#line 826 "Workers.c"
+	} else {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		dest_value->data[0].v_pointer = NULL;
+#line 830 "Workers.c"
+	}
+}
+
+
+static gpointer value_workers_peek_pointer (const GValue* value) {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	return value->data[0].v_pointer;
+#line 838 "Workers.c"
+}
+
+
+static gchar* value_workers_collect_value (GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	if (collect_values[0].v_pointer) {
+#line 845 "Workers.c"
+		Workers* object;
+		object = collect_values[0].v_pointer;
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		if (object->parent_instance.g_class == NULL) {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			return g_strconcat ("invalid unclassed object pointer for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+#line 852 "Workers.c"
+		} else if (!g_value_type_compatible (G_TYPE_FROM_INSTANCE (object), G_VALUE_TYPE (value))) {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+			return g_strconcat ("invalid object type `", g_type_name (G_TYPE_FROM_INSTANCE (object)), "' for value type `", G_VALUE_TYPE_NAME (value), "'", NULL);
+#line 856 "Workers.c"
+		}
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		value->data[0].v_pointer = workers_ref (object);
+#line 860 "Workers.c"
+	} else {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		value->data[0].v_pointer = NULL;
+#line 864 "Workers.c"
+	}
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	return NULL;
+#line 868 "Workers.c"
+}
+
+
+static gchar* value_workers_lcopy_value (const GValue* value, guint n_collect_values, GTypeCValue* collect_values, guint collect_flags) {
+	Workers** object_p;
+	object_p = collect_values[0].v_pointer;
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	if (!object_p) {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		return g_strdup_printf ("value location for `%s' passed as NULL", G_VALUE_TYPE_NAME (value));
+#line 879 "Workers.c"
+	}
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	if (!value->data[0].v_pointer) {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		*object_p = NULL;
+#line 885 "Workers.c"
+	} else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		*object_p = value->data[0].v_pointer;
+#line 889 "Workers.c"
+	} else {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		*object_p = workers_ref (value->data[0].v_pointer);
+#line 893 "Workers.c"
+	}
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	return NULL;
+#line 897 "Workers.c"
+}
+
+
+GParamSpec* param_spec_workers (const gchar* name, const gchar* nick, const gchar* blurb, GType object_type, GParamFlags flags) {
+	ParamSpecWorkers* spec;
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	g_return_val_if_fail (g_type_is_a (object_type, TYPE_WORKERS), NULL);
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	spec = g_param_spec_internal (G_TYPE_PARAM_OBJECT, name, nick, blurb, flags);
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	G_PARAM_SPEC (spec)->value_type = object_type;
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	return G_PARAM_SPEC (spec);
+#line 911 "Workers.c"
+}
+
+
+gpointer value_get_workers (const GValue* value) {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	g_return_val_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_WORKERS), NULL);
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	return value->data[0].v_pointer;
+#line 920 "Workers.c"
+}
+
+
+void value_set_workers (GValue* value, gpointer v_object) {
+	Workers* old;
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_WORKERS));
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	old = value->data[0].v_pointer;
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	if (v_object) {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_WORKERS));
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		value->data[0].v_pointer = v_object;
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		workers_ref (value->data[0].v_pointer);
+#line 940 "Workers.c"
+	} else {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		value->data[0].v_pointer = NULL;
+#line 944 "Workers.c"
+	}
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	if (old) {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		workers_unref (old);
+#line 950 "Workers.c"
+	}
+}
+
+
+void value_take_workers (GValue* value, gpointer v_object) {
+	Workers* old;
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	g_return_if_fail (G_TYPE_CHECK_VALUE_TYPE (value, TYPE_WORKERS));
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	old = value->data[0].v_pointer;
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	if (v_object) {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		g_return_if_fail (G_TYPE_CHECK_INSTANCE_TYPE (v_object, TYPE_WORKERS));
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		g_return_if_fail (g_value_type_compatible (G_TYPE_FROM_INSTANCE (v_object), G_VALUE_TYPE (value)));
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		value->data[0].v_pointer = v_object;
+#line 969 "Workers.c"
+	} else {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		value->data[0].v_pointer = NULL;
+#line 973 "Workers.c"
+	}
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	if (old) {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		workers_unref (old);
+#line 979 "Workers.c"
+	}
+}
+
+
+static void workers_class_init (WorkersClass * klass) {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	workers_parent_class = g_type_class_peek_parent (klass);
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	((WorkersClass *) klass)->finalize = workers_finalize;
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	g_type_class_add_private (klass, sizeof (WorkersPrivate));
+#line 991 "Workers.c"
+}
+
+
+static void workers_instance_init (Workers * self) {
+	GAsyncQueue* _tmp0_ = NULL;
+	EventSemaphore* _tmp1_ = NULL;
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	self->priv = WORKERS_GET_PRIVATE (self);
+#line 19 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	g_rec_mutex_init (&self->priv->__lock_queue);
+#line 19 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_tmp0_ = g_async_queue_new_full (_background_job_unref0_);
+#line 19 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	self->priv->queue = _tmp0_;
+#line 20 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_tmp1_ = event_semaphore_new ();
+#line 20 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	self->priv->empty_event = _tmp1_;
+#line 21 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	self->priv->enqueued = 0;
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	self->ref_count = 1;
+#line 1014 "Workers.c"
+}
+
+
+static void workers_finalize (Workers* obj) {
+	Workers * self;
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	self = G_TYPE_CHECK_INSTANCE_CAST (obj, TYPE_WORKERS, Workers);
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	g_signal_handlers_destroy (self);
+#line 18 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_g_thread_pool_free0 (self->priv->thread_pool);
+#line 19 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	g_rec_mutex_clear (&self->priv->__lock_queue);
+#line 19 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_g_async_queue_unref0 (self->priv->queue);
+#line 20 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	_abstract_semaphore_unref0 (self->priv->empty_event);
+#line 1032 "Workers.c"
+}
+
+
+GType workers_get_type (void) {
+	static volatile gsize workers_type_id__volatile = 0;
+	if (g_once_init_enter (&workers_type_id__volatile)) {
+		static const GTypeValueTable g_define_type_value_table = { value_workers_init, value_workers_free_value, value_workers_copy_value, value_workers_peek_pointer, "p", value_workers_collect_value, "p", value_workers_lcopy_value };
+		static const GTypeInfo g_define_type_info = { sizeof (WorkersClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) workers_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (Workers), 0, (GInstanceInitFunc) workers_instance_init, &g_define_type_value_table };
+		static const GTypeFundamentalInfo g_define_type_fundamental_info = { (G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) };
+		GType workers_type_id;
+		workers_type_id = g_type_register_fundamental (g_type_fundamental_next (), "Workers", &g_define_type_info, &g_define_type_fundamental_info, 0);
+		g_once_init_leave (&workers_type_id__volatile, workers_type_id);
+	}
+	return workers_type_id__volatile;
+}
+
+
+gpointer workers_ref (gpointer instance) {
+	Workers* self;
+	self = instance;
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	g_atomic_int_inc (&self->ref_count);
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	return instance;
+#line 1057 "Workers.c"
+}
+
+
+void workers_unref (gpointer instance) {
+	Workers* self;
+	self = instance;
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+	if (g_atomic_int_dec_and_test (&self->ref_count)) {
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		WORKERS_GET_CLASS (self)->finalize (self);
+#line 15 "/home/jens/Source/shotwell/src/threads/Workers.vala"
+		g_type_free_instance ((GTypeInstance *) self);
+#line 1070 "Workers.c"
+	}
+}
+
+
+
diff --git a/src/threads/mk/threads.mk b/src/threads/mk/threads.mk
deleted file mode 100644
index 83afc47..0000000
--- a/src/threads/mk/threads.mk
+++ /dev/null
@@ -1,30 +0,0 @@
-
-# UNIT_NAME is the Vala namespace.  A file named UNIT_NAME.vala must be in this directory with
-# a init() and terminate() function declared in the namespace.
-UNIT_NAME := Threads
-
-# UNIT_DIR should match the subdirectory the files are located in.  Generally UNIT_NAME in all
-# lowercase.  The name of this file should be UNIT_DIR.mk.
-UNIT_DIR := threads
-
-# All Vala files in the unit should be listed here with no subdirectory prefix.
-#
-# NOTE: Do *not* include the unit's master file, i.e. UNIT_NAME.vala.
-UNIT_FILES := \
-    Workers.vala \
-    BackgroundJob.vala \
-    Semaphore.vala
-
-# Any unit this unit relies upon (and should be initialized before it's initialized) should
-# be listed here using its Vala namespace.
-#
-# NOTE: All units are assumed to rely upon the unit-unit.  Do not include that here.
-UNIT_USES :=
-
-# List any additional files that are used in the build process as a part of this unit that should
-# be packaged in the tarball.  File names should be relative to the unit's home directory.
-UNIT_RC :=
-
-# unitize.mk must be called at the end of each UNIT_DIR.mk file.
-include unitize.mk
-
author	Jörg Frings-Fürst <debian@jff-webhosting.net>	2016-08-20 15:11:08 +0200
committer	Jörg Frings-Fürst <debian@jff-webhosting.net>	2016-08-20 15:11:08 +0200
commit	cb612a12b952e349b96d427645aaeb55d15f509a (patch)
tree	f29298f41d2a7ea2a976616243aca64c2c2547ce /src/threads
parent	e7be93745e4a2ff3aa255227bef7b9d3b733aafa (diff)
parent	143bfc9f801c84428074312d661f8e08803df83b (diff)