[pulseaudio-commits] r2080 - in /trunk/src/pulsecore: mutex-posix.c mutex.h

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Author: lennart
Date: Sat Nov 24 17:24:16 2007
New Revision: 2080

URL: http://0pointer.de/cgi-bin/viewcvs.cgi?rev=2080&root=pulseaudio&view=rev
Log:
add new pa_mutex_try_lock() API

Modified:
    trunk/src/pulsecore/mutex-posix.c
    trunk/src/pulsecore/mutex.h

Modified: trunk/src/pulsecore/mutex-posix.c
URL: http://0pointer.de/cgi-bin/viewcvs.cgi/trunk/src/pulsecore/mutex-posix.c?rev=2080&root=pulseaudio&r1=2079&r2=2080&view=diff
==============================================================================
--- trunk/src/pulsecore/mutex-posix.c (original)
+++ trunk/src/pulsecore/mutex-posix.c Sat Nov 24 17:24:16 2007
@@ -92,6 +92,18 @@
     pa_assert_se(pthread_mutex_lock(&m->mutex) == 0);
 }
 
+pa_bool_t pa_mutex_try_lock(pa_mutex *m) {
+    int r;
+    pa_assert(m);
+
+    if ((r = pthread_mutex_trylock(&m->mutex)) != 0) {
+        pa_assert(r == EBUSY);
+        return FALSE;
+    }
+
+    return TRUE;
+}
+
 void pa_mutex_unlock(pa_mutex *m) {
     pa_assert(m);
 

Modified: trunk/src/pulsecore/mutex.h
URL: http://0pointer.de/cgi-bin/viewcvs.cgi/trunk/src/pulsecore/mutex.h?rev=2080&root=pulseaudio&r1=2079&r2=2080&view=diff
==============================================================================
--- trunk/src/pulsecore/mutex.h (original)
+++ trunk/src/pulsecore/mutex.h Sat Nov 24 17:24:16 2007
@@ -37,6 +37,7 @@
 
 void pa_mutex_free(pa_mutex *m);
 void pa_mutex_lock(pa_mutex *m);
+pa_bool_t pa_mutex_try_lock(pa_mutex *m);
 void pa_mutex_unlock(pa_mutex *m);
 
 typedef struct pa_cond pa_cond;