* lib/cnd.c: New file.
* modules/cnd: New file.
* doc/posix-functions/cnd_init.texi: Mention the new module.
* doc/posix-functions/cnd_wait.texi: Likewise.
* doc/posix-functions/cnd_timedwait.texi: Likewise.
* doc/posix-functions/cnd_signal.texi: Likewise.
* doc/posix-functions/cnd_broadcast.texi: Likewise.
* doc/posix-functions/cnd_destroy.texi: Likewise.
+2019-06-20 Bruno Haible <bruno@clisp.org>
+
+ cnd: New module.
+ * lib/cnd.c: New file.
+ * modules/cnd: New file.
+ * doc/posix-functions/cnd_init.texi: Mention the new module.
+ * doc/posix-functions/cnd_wait.texi: Likewise.
+ * doc/posix-functions/cnd_timedwait.texi: Likewise.
+ * doc/posix-functions/cnd_signal.texi: Likewise.
+ * doc/posix-functions/cnd_broadcast.texi: Likewise.
+ * doc/posix-functions/cnd_destroy.texi: Likewise.
+
2019-06-20 Bruno Haible <bruno@clisp.org>
mtx: New module.
@url{https://www.gnu.org/software/libc/manual/html_node/ISO-C-Condition-Variables.html}.
@end ifnotinfo
-Gnulib module: ---
+Gnulib module: cnd
Portability problems fixed by Gnulib:
@itemize
+@item
+This function is missing on many platforms:
+glibc 2.27, Mac OS X 10.5, FreeBSD 9.3, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 7.1, HP-UX 11.31, IRIX 6.5, OSF/1 5.1, Solaris 11.3, Cygwin, mingw, MSVC 14, Interix 3.5, BeOS, Android 9.0.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
-@item
-This function is missing on many platforms:
-glibc 2.27, Mac OS X 10.5, FreeBSD 9.3, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 7.1, HP-UX 11.31, IRIX 6.5, OSF/1 5.1, Solaris 11.3, Cygwin, mingw, MSVC 14, Interix 3.5, BeOS, Android 9.0.
@end itemize
@url{https://www.gnu.org/software/libc/manual/html_node/ISO-C-Condition-Variables.html}.
@end ifnotinfo
-Gnulib module: ---
+Gnulib module: cnd
Portability problems fixed by Gnulib:
@itemize
+@item
+This function is missing on many platforms:
+glibc 2.27, Mac OS X 10.5, FreeBSD 9.3, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 7.1, HP-UX 11.31, IRIX 6.5, OSF/1 5.1, Solaris 11.3, Cygwin, mingw, MSVC 14, Interix 3.5, BeOS, Android 9.0.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
-@item
-This function is missing on many platforms:
-glibc 2.27, Mac OS X 10.5, FreeBSD 9.3, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 7.1, HP-UX 11.31, IRIX 6.5, OSF/1 5.1, Solaris 11.3, Cygwin, mingw, MSVC 14, Interix 3.5, BeOS, Android 9.0.
@end itemize
@url{https://www.gnu.org/software/libc/manual/html_node/ISO-C-Condition-Variables.html}.
@end ifnotinfo
-Gnulib module: ---
+Gnulib module: cnd
Portability problems fixed by Gnulib:
@itemize
+@item
+This function is missing on many platforms:
+glibc 2.27, Mac OS X 10.5, FreeBSD 9.3, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 7.1, HP-UX 11.31, IRIX 6.5, OSF/1 5.1, Solaris 11.3, Cygwin, mingw, MSVC 14, Interix 3.5, BeOS, Android 9.0.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
-@item
-This function is missing on many platforms:
-glibc 2.27, Mac OS X 10.5, FreeBSD 9.3, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 7.1, HP-UX 11.31, IRIX 6.5, OSF/1 5.1, Solaris 11.3, Cygwin, mingw, MSVC 14, Interix 3.5, BeOS, Android 9.0.
@end itemize
@url{https://www.gnu.org/software/libc/manual/html_node/ISO-C-Condition-Variables.html}.
@end ifnotinfo
-Gnulib module: ---
+Gnulib module: cnd
Portability problems fixed by Gnulib:
@itemize
+@item
+This function is missing on many platforms:
+glibc 2.27, Mac OS X 10.5, FreeBSD 9.3, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 7.1, HP-UX 11.31, IRIX 6.5, OSF/1 5.1, Solaris 11.3, Cygwin, mingw, MSVC 14, Interix 3.5, BeOS, Android 9.0.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
-@item
-This function is missing on many platforms:
-glibc 2.27, Mac OS X 10.5, FreeBSD 9.3, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 7.1, HP-UX 11.31, IRIX 6.5, OSF/1 5.1, Solaris 11.3, Cygwin, mingw, MSVC 14, Interix 3.5, BeOS, Android 9.0.
@end itemize
@url{https://www.gnu.org/software/libc/manual/html_node/ISO-C-Condition-Variables.html}.
@end ifnotinfo
-Gnulib module: ---
+Gnulib module: cnd
Portability problems fixed by Gnulib:
@itemize
+@item
+This function is missing on many platforms:
+glibc 2.27, Mac OS X 10.5, FreeBSD 9.3, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 7.1, HP-UX 11.31, IRIX 6.5, OSF/1 5.1, Solaris 11.3, Cygwin, mingw, MSVC 14, Interix 3.5, BeOS, Android 9.0.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
-@item
-This function is missing on many platforms:
-glibc 2.27, Mac OS X 10.5, FreeBSD 9.3, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 7.1, HP-UX 11.31, IRIX 6.5, OSF/1 5.1, Solaris 11.3, Cygwin, mingw, MSVC 14, Interix 3.5, BeOS, Android 9.0.
@end itemize
@url{https://www.gnu.org/software/libc/manual/html_node/ISO-C-Condition-Variables.html}.
@end ifnotinfo
-Gnulib module: ---
+Gnulib module: cnd
Portability problems fixed by Gnulib:
@itemize
+@item
+This function is missing on many platforms:
+glibc 2.27, Mac OS X 10.5, FreeBSD 9.3, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 7.1, HP-UX 11.31, IRIX 6.5, OSF/1 5.1, Solaris 11.3, Cygwin, mingw, MSVC 14, Interix 3.5, BeOS, Android 9.0.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
-@item
-This function is missing on many platforms:
-glibc 2.27, Mac OS X 10.5, FreeBSD 9.3, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 7.1, HP-UX 11.31, IRIX 6.5, OSF/1 5.1, Solaris 11.3, Cygwin, mingw, MSVC 14, Interix 3.5, BeOS, Android 9.0.
@end itemize
--- /dev/null
+/* ISO C 11 condition variables for multithreading.
+ Copyright (C) 2008-2019 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
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ 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; if not, see <https://www.gnu.org/licenses/>. */
+
+/* Written by Yoann Vandoorselaere <yoann@prelude-ids.org>, 2008,
+ and Bruno Haible <bruno@clisp.org>, 2008, 2019. */
+
+#include <config.h>
+
+#include <threads.h>
+
+#include <errno.h>
+
+#if defined _WIN32 && ! defined __CYGWIN__
+/* Use Windows threads. */
+
+# define WIN32_LEAN_AND_MEAN /* avoid including junk */
+# include <windows.h>
+
+# include "windows-mutex.h"
+# include "windows-recmutex.h"
+# include "windows-timedmutex.h"
+# include "windows-timedrecmutex.h"
+
+#else
+/* Use POSIX threads. */
+
+# include <pthread.h>
+
+#endif
+
+#if defined _WIN32 && ! defined __CYGWIN__
+/* Use Windows threads. */
+
+int
+cnd_init (cnd_t *cond)
+{
+ int err = glwthread_cond_init (cond);
+ return (err == 0 ? thrd_success :
+ err == ENOMEM ? thrd_nomem :
+ thrd_error);
+}
+
+static int
+mutex_lock (mtx_t *mutex)
+{
+ switch (mutex->type)
+ {
+ case mtx_plain:
+ return glwthread_mutex_lock (&mutex->u.u_mutex);
+ case mtx_plain | mtx_recursive:
+ return glwthread_recmutex_lock (&mutex->u.u_recmutex);
+ case mtx_timed:
+ return glwthread_timedmutex_lock (&mutex->u.u_timedmutex);
+ case mtx_timed | mtx_recursive:
+ return glwthread_timedrecmutex_lock (&mutex->u.u_timedrecmutex);
+ default:
+ abort ();
+ }
+}
+
+static int
+mutex_unlock (mtx_t *mutex)
+{
+ switch (mutex->type)
+ {
+ case mtx_plain:
+ return glwthread_mutex_unlock (&mutex->u.u_mutex);
+ case mtx_plain | mtx_recursive:
+ return glwthread_recmutex_unlock (&mutex->u.u_recmutex);
+ case mtx_timed:
+ return glwthread_timedmutex_unlock (&mutex->u.u_timedmutex);
+ case mtx_timed | mtx_recursive:
+ return glwthread_timedrecmutex_unlock (&mutex->u.u_timedrecmutex);
+ default:
+ abort ();
+ }
+}
+
+int
+cnd_wait (cnd_t *cond, mtx_t *mutex)
+{
+ int err = glwthread_cond_wait (cond, mutex,
+ (int (*) (void *)) mutex_lock,
+ (int (*) (void *)) mutex_unlock);
+ return (err == 0 ? thrd_success : thrd_error);
+}
+
+int
+cnd_timedwait (cnd_t *cond, mtx_t *mutex, const struct timespec *abstime)
+{
+ int err = glwthread_cond_timedwait (cond, mutex,
+ (int (*) (void *)) mutex_lock,
+ (int (*) (void *)) mutex_unlock,
+ abstime);
+ return (err == 0 ? thrd_success :
+ err == ETIMEDOUT ? thrd_timedout :
+ thrd_error);
+}
+
+int
+cnd_signal (cnd_t *cond)
+{
+ int err = glwthread_cond_signal (cond);
+ return (err == 0 ? thrd_success :
+ err == ENOMEM ? thrd_nomem :
+ thrd_error);
+}
+
+int
+cnd_broadcast (cnd_t *cond)
+{
+ int err = glwthread_cond_broadcast (cond);
+ return (err == 0 ? thrd_success : thrd_error);
+}
+
+void
+cnd_destroy (cnd_t *cond)
+{
+ glwthread_cond_destroy (cond);
+}
+
+#else
+/* Use POSIX threads. */
+
+int
+cnd_init (cnd_t *cond)
+{
+ int err = pthread_cond_init (cond, NULL);
+ return (err == 0 ? thrd_success :
+ err == ENOMEM ? thrd_nomem :
+ thrd_error);
+}
+
+int
+cnd_wait (cnd_t *cond, mtx_t *mutex)
+{
+ int err = pthread_cond_wait (cond, mutex);
+ return (err == 0 ? thrd_success : thrd_error);
+}
+
+int
+cnd_timedwait (cnd_t *cond, mtx_t *mutex, const struct timespec *abstime)
+{
+ int err = pthread_cond_timedwait (cond, mutex, abstime);
+ return (err == 0 ? thrd_success :
+ err == ETIMEDOUT ? thrd_timedout :
+ thrd_error);
+}
+
+int
+cnd_signal (cnd_t *cond)
+{
+ int err = pthread_cond_signal (cond);
+ return (err == 0 ? thrd_success :
+ err == ENOMEM ? thrd_nomem :
+ thrd_error);
+}
+
+int
+cnd_broadcast (cnd_t *cond)
+{
+ int err = pthread_cond_broadcast (cond);
+ return (err == 0 ? thrd_success : thrd_error);
+}
+
+void
+cnd_destroy (cnd_t *cond)
+{
+ pthread_cond_destroy (cond);
+}
+
+#endif
--- /dev/null
+Description:
+ISO C 11 condition variable functions.
+
+Files:
+lib/cnd.c
+
+Depends-on:
+threads-h
+windows-cond
+gettimeofday
+
+configure.ac:
+AC_REQUIRE([gl_THREADS_H])
+if test $HAVE_THREADS_H = 0; then
+ AC_LIBOBJ([cnd])
+fi
+gl_THREADS_MODULE_INDICATOR([cnd])
+
+Makefile.am:
+
+Include:
+<threads.h>
+
+Link:
+$(LTLIBSTDTHREAD) when linking with libtool, $(LIBSTDTHREAD) otherwise
+
+License:
+LGPLv2+
+
+Maintainer:
+all
projects / thirdparty / gnulib.git / commitdiff
