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authorLennart Poettering <lennart@poettering.net>2008-05-26 22:00:19 +0000
committerLennart Poettering <lennart@poettering.net>2008-05-26 22:00:19 +0000
commitd7fd6a45e50475cddf0b8bad8baab01b33cf3c1f (patch)
tree4f210adb96478280df083b6d4802053f93b59192 /src/mutex-posix.c
parent48178a5e2813546b61706d1f97fab761934a97f0 (diff)
move sources to src/ subdir
git-svn-id: file:///home/lennart/svn/public/libcanberra/trunk@12 01b60673-d06a-42c0-afdd-89cb8e0f78ac
Diffstat (limited to 'src/mutex-posix.c')
-rw-r--r--src/mutex-posix.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/src/mutex-posix.c b/src/mutex-posix.c
new file mode 100644
index 0000000..f8e0f54
--- /dev/null
+++ b/src/mutex-posix.c
@@ -0,0 +1,80 @@
+/* $Id$ */
+
+/***
+ This file is part of libcanberra.
+
+ Copyright 2008 Lennart Poettering
+
+ libcanberra is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation, either version 2.1 of the
+ License, or (at your option) any later version.
+
+ libcanberra 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with libcanberra. If not, If not, see
+ <http://www.gnu.org/licenses/>.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <pthread.h>
+#include <errno.h>
+
+#include "mutex.h"
+#include "malloc.h"
+
+struct ca_mutex {
+ pthread_mutex_t mutex;
+};
+
+ca_mutex* ca_mutex_new(void) {
+ ca_mutex *m;
+
+ if (!(m = ca_new(ca_mutex, 1)))
+ return NULL;
+
+ if (pthread_mutex_init(&m->mutex, NULL) < 0) {
+ ca_free(m);
+ return NULL;
+ }
+
+ return m;
+}
+
+void ca_mutex_free(ca_mutex *m) {
+ ca_assert(m);
+
+ ca_assert_se(pthread_mutex_destroy(&m->mutex) == 0);
+ ca_free(m);
+}
+
+void ca_mutex_lock(ca_mutex *m) {
+ ca_assert(m);
+
+ ca_assert_se(pthread_mutex_lock(&m->mutex) == 0);
+}
+
+ca_bool_t ca_mutex_try_lock(ca_mutex *m) {
+ int r;
+ ca_assert(m);
+
+ if ((r = pthread_mutex_trylock(&m->mutex)) != 0) {
+ ca_assert(r == EBUSY);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+void ca_mutex_unlock(ca_mutex *m) {
+ ca_assert(m);
+
+ ca_assert_se(pthread_mutex_unlock(&m->mutex) == 0);
+}