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authorAlberto Gonzalez Iniesta <agi@inittab.org>2012-11-05 16:28:09 +0100
committerAlberto Gonzalez Iniesta <agi@inittab.org>2012-11-05 16:28:09 +0100
commit8dd0350e1607aa30f7a043c8d5ec7a7eeb874115 (patch)
tree566d0620eb693320cb121dfd93a5675fa704a30b /src/openvpn/sig.h
parent349cfa7acb95abe865209a28e417ec74b56f9bba (diff)
Imported Upstream version 2.3_rc1
Diffstat (limited to 'src/openvpn/sig.h')
-rw-r--r--src/openvpn/sig.h104
1 files changed, 104 insertions, 0 deletions
diff --git a/src/openvpn/sig.h b/src/openvpn/sig.h
new file mode 100644
index 0000000..987efef
--- /dev/null
+++ b/src/openvpn/sig.h
@@ -0,0 +1,104 @@
+/*
+ * OpenVPN -- An application to securely tunnel IP networks
+ * over a single TCP/UDP port, with support for SSL/TLS-based
+ * session authentication and key exchange,
+ * packet encryption, packet authentication, and
+ * packet compression.
+ *
+ * Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program (see the file COPYING included with this
+ * distribution); if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef SIG_H
+#define SIG_H
+
+#include "status.h"
+#include "win32.h"
+
+/*
+ * Signal information, including signal code
+ * and descriptive text.
+ */
+struct signal_info
+{
+ volatile int signal_received;
+ volatile bool hard;
+ const char *signal_text;
+};
+
+#define IS_SIG(c) ((c)->sig->signal_received)
+
+struct context;
+
+extern struct signal_info siginfo_static;
+
+int parse_signal (const char *signame);
+const char *signal_name (const int sig, const bool upper);
+const char *signal_description (const int signum, const char *sigtext);
+void throw_signal (const int signum);
+void throw_signal_soft (const int signum, const char *signal_text);
+
+void pre_init_signal_catch (void);
+void post_init_signal_catch (void);
+void restore_signal_state (void);
+
+void print_signal (const struct signal_info *si, const char *title, int msglevel);
+void print_status (const struct context *c, struct status_output *so);
+
+void remap_signal (struct context *c);
+
+void signal_restart_status (const struct signal_info *si);
+
+bool process_signal (struct context *c);
+
+void register_signal (struct context *c, int sig, const char *text);
+
+#ifdef ENABLE_OCC
+void process_explicit_exit_notification_timer_wakeup (struct context *c);
+#endif
+
+#ifdef WIN32
+
+static inline void
+get_signal (volatile int *sig)
+{
+ *sig = win32_signal_get (&win32_signal);
+}
+
+static inline void
+halt_non_edge_triggered_signals (void)
+{
+ win32_signal_close (&win32_signal);
+}
+
+#else
+
+static inline void
+get_signal (volatile int *sig)
+{
+ const int i = siginfo_static.signal_received;
+ if (i)
+ *sig = i;
+}
+
+static inline void
+halt_non_edge_triggered_signals (void)
+{
+}
+
+#endif
+
+#endif