Merge tag 'upstream/0.9.6'

Upstream version 0.9.6

3 files changed, 76 insertions, 22 deletions

diff --git a/tests/glthread/thread.c b/tests/glthread/thread.c
index 5237994..d3829ce 100644
--- a/tests/glthread/thread.c
+++ b/tests/glthread/thread.c
@@ -1,5 +1,5 @@
 /* Creating and controlling threads.
-   Copyright (C) 2005-2010 Free Software Foundation, Inc.
+   Copyright (C) 2005-2015 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -12,8 +12,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program; if not, see <http://www.gnu.org/licenses/>.  */
 
 /* Written by Bruno Haible <bruno@clisp.org>, 2005.
    Based on GCC's gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
@@ -22,6 +21,7 @@
 #include <config.h>
 
 /* Specification.  */
+# define _GLTHREAD_THREAD_INLINE _GL_EXTERN_INLINE
 #include "glthread/thread.h"
 
 #include <stdlib.h>
@@ -29,7 +29,21 @@
 
 /* ========================================================================= */
 
-#if USE_WIN32_THREADS
+#if USE_POSIX_THREADS
+
+#include <pthread.h>
+
+#ifdef PTW32_VERSION
+
+const gl_thread_t gl_null_thread /* = { .p = NULL } */;
+
+#endif
+
+#endif
+
+/* ========================================================================= */
+
+#if USE_WINDOWS_THREADS
 
 #include <process.h>
 
@@ -72,7 +86,7 @@ struct gl_thread_struct
 };
 
 /* Return a real HANDLE object for the current thread.  */
-static inline HANDLE
+static HANDLE
 get_current_thread_handle (void)
 {
   HANDLE this_handle;
diff --git a/tests/glthread/thread.h b/tests/glthread/thread.h
index d35be0d..2817437 100644
--- a/tests/glthread/thread.h
+++ b/tests/glthread/thread.h
@@ -1,5 +1,5 @@
 /* Creating and controlling threads.
-   Copyright (C) 2005-2010 Free Software Foundation, Inc.
+   Copyright (C) 2005-2015 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -12,8 +12,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program; if not, see <http://www.gnu.org/licenses/>.  */
 
 /* Written by Bruno Haible <bruno@clisp.org>, 2005.
    Based on GCC's gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
@@ -47,9 +46,13 @@
        current = gl_thread_self ();
        extern gl_thread_t gl_thread_self (void);
 
+   Getting a reference to the current thread as a pointer, for debugging:
+       ptr = gl_thread_self_pointer ();
+       extern void * gl_thread_self_pointer (void);
+
    Terminating the current thread:
        gl_thread_exit (return_value);
-       extern void gl_thread_exit (void *return_value) __attribute__ ((noreturn));
+       extern _Noreturn void gl_thread_exit (void *return_value);
 
    Requesting custom code to be executed at fork() time(not supported on all
    platforms):
@@ -71,6 +74,14 @@
 #include <errno.h>
 #include <stdlib.h>
 
+#ifndef _GL_INLINE_HEADER_BEGIN
+ #error "Please include config.h first."
+#endif
+_GL_INLINE_HEADER_BEGIN
+#ifndef _GLTHREAD_THREAD_INLINE
+# define _GLTHREAD_THREAD_INLINE _GL_INLINE
+#endif
+
 /* ========================================================================= */
 
 #if USE_POSIX_THREADS
@@ -112,7 +123,13 @@ extern int glthread_in_use (void);
    address of a function in libpthread that we don't use.  */
 
 #  pragma weak pthread_create
+
+#  ifdef __clang__
+  /* Without this, clang complains that pthread_sigmask is never declared.  */
+#   include <signal.h>
+#  endif
 #  pragma weak pthread_sigmask
+
 #  pragma weak pthread_join
 #  ifndef pthread_self
 #   pragma weak pthread_self
@@ -147,8 +164,20 @@ typedef pthread_t gl_thread_t;
     (pthread_in_use () ? pthread_sigmask (HOW, SET, OSET) : 0)
 # define glthread_join(THREAD, RETVALP) \
     (pthread_in_use () ? pthread_join (THREAD, RETVALP) : 0)
-# define gl_thread_self() \
-    (pthread_in_use () ? (void *) pthread_self () : NULL)
+# ifdef PTW32_VERSION
+   /* In pthreads-win32, pthread_t is a struct with a pointer field 'p' and
+      other fields.  */
+#  define gl_thread_self() \
+     (pthread_in_use () ? pthread_self () : gl_null_thread)
+#  define gl_thread_self_pointer() \
+     (pthread_in_use () ? pthread_self ().p : NULL)
+extern const gl_thread_t gl_null_thread;
+# else
+#  define gl_thread_self() \
+     (pthread_in_use () ? pthread_self () : (pthread_t) NULL)
+#  define gl_thread_self_pointer() \
+     (pthread_in_use () ? (void *) pthread_self () : NULL)
+# endif
 # define gl_thread_exit(RETVAL) \
     (pthread_in_use () ? pthread_exit (RETVAL) : 0)
 
@@ -205,7 +234,9 @@ typedef pth_t gl_thread_t;
 # define glthread_join(THREAD, RETVALP) \
     (pth_in_use () && !pth_join (THREAD, RETVALP) ? errno : 0)
 # define gl_thread_self() \
-    (pth_in_use () ? (void *) pth_self () : 0)
+    (pth_in_use () ? (void *) pth_self () : NULL)
+# define gl_thread_self_pointer() \
+    gl_thread_self ()
 # define gl_thread_exit(RETVAL) \
     (pth_in_use () ? pth_exit (RETVAL) : 0)
 # define glthread_atfork(PREPARE_FUNC, PARENT_FUNC, CHILD_FUNC) 0
@@ -257,7 +288,9 @@ typedef thread_t gl_thread_t;
 # define glthread_join(THREAD, RETVALP) \
     (thread_in_use () ? thr_join (THREAD, NULL, RETVALP) : 0)
 # define gl_thread_self() \
-    (thread_in_use () ? (void *) thr_self () : 0)
+    (thread_in_use () ? (void *) thr_self () : NULL)
+# define gl_thread_self_pointer() \
+    gl_thread_self ()
 # define gl_thread_exit(RETVAL) \
     (thread_in_use () ? thr_exit (RETVAL) : 0)
 # define glthread_atfork(PREPARE_FUNC, PARENT_FUNC, CHILD_FUNC) 0
@@ -270,8 +303,9 @@ typedef thread_t gl_thread_t;
 
 /* ========================================================================= */
 
-#if USE_WIN32_THREADS
+#if USE_WINDOWS_THREADS
 
+# define WIN32_LEAN_AND_MEAN  /* avoid including junk */
 # include <windows.h>
 
 # ifdef __cplusplus
@@ -298,6 +332,8 @@ typedef struct gl_thread_struct *gl_thread_t;
     glthread_join_func (THREAD, RETVALP)
 # define gl_thread_self() \
     gl_thread_self_func ()
+# define gl_thread_self_pointer() \
+    gl_thread_self ()
 # define gl_thread_exit(RETVAL) \
     gl_thread_exit_func (RETVAL)
 # define glthread_atfork(PREPARE_FUNC, PARENT_FUNC, CHILD_FUNC) 0
@@ -314,7 +350,7 @@ extern int gl_thread_exit_func (void *retval);
 
 /* ========================================================================= */
 
-#if !(USE_POSIX_THREADS || USE_PTH_THREADS || USE_SOLARIS_THREADS || USE_WIN32_THREADS)
+#if !(USE_POSIX_THREADS || USE_PTH_THREADS || USE_SOLARIS_THREADS || USE_WINDOWS_THREADS)
 
 /* Provide dummy implementation if threads are not supported.  */
 
@@ -322,7 +358,9 @@ typedef int gl_thread_t;
 # define glthread_create(THREADP, FUNC, ARG) ENOSYS
 # define glthread_sigmask(HOW, SET, OSET) 0
 # define glthread_join(THREAD, RETVALP) 0
-# define gl_thread_self() NULL
+# define gl_thread_self() 0
+# define gl_thread_self_pointer() \
+    ((void *) gl_thread_self ())
 # define gl_thread_exit(RETVAL) 0
 # define glthread_atfork(PREPARE_FUNC, PARENT_FUNC, CHILD_FUNC) 0
 
@@ -336,7 +374,7 @@ typedef int gl_thread_t;
 extern "C" {
 #endif
 
-static inline gl_thread_t
+_GLTHREAD_THREAD_INLINE gl_thread_t
 gl_thread_create (void *(*func) (void *arg), void *arg)
 {
   gl_thread_t thread;
@@ -373,4 +411,6 @@ gl_thread_create (void *(*func) (void *arg), void *arg)
 }
 #endif
 
+_GL_INLINE_HEADER_END
+
 #endif /* _GLTHREAD_THREAD_H */
diff --git a/tests/glthread/yield.h b/tests/glthread/yield.h
index df61ac4..b18db5b 100644
--- a/tests/glthread/yield.h
+++ b/tests/glthread/yield.h
@@ -1,5 +1,5 @@
 /* Yielding the processor to other threads and processes.
-   Copyright (C) 2005-2010 Free Software Foundation, Inc.
+   Copyright (C) 2005-2015 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -12,8 +12,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program; if not, see <http://www.gnu.org/licenses/>.  */
 
 /* This file contains a primitive for yielding the processor to other threads.
      extern void gl_thread_yield (void);
@@ -89,8 +88,9 @@ extern "C" {
 
 /* ========================================================================= */
 
-#if USE_WIN32_THREADS
+#if USE_WINDOWS_THREADS
 
+# define WIN32_LEAN_AND_MEAN  /* avoid including junk */
 # include <windows.h>
 
 # ifdef __cplusplus
@@ -108,7 +108,7 @@ extern "C" {
 
 /* ========================================================================= */
 
-#if !(USE_POSIX_THREADS || USE_PTH_THREADS || USE_SOLARIS_THREADS || USE_WIN32_THREADS)
+#if !(USE_POSIX_THREADS || USE_PTH_THREADS || USE_SOLARIS_THREADS || USE_WINDOWS_THREADS)
 
 /* Provide dummy implementation if threads are not supported.  */