[cm3/sync] Add mutex_trylock()

Allows non-blocking use in user code.
2014-12-05 16:47:52 +01:00
parent ad937e00fd
commit a2fe6c49a8
2 changed files with 20 additions and 0 deletions
--- a/include/libopencm3/cm3/sync.h
+++ b/include/libopencm3/cm3/sync.h
@@ -47,6 +47,7 @@ typedef uint32_t mutex_t;
 #define MUTEX_LOCKED	 1

 void mutex_lock(mutex_t *m);
+uint32_t mutex_trylock(mutex_t *m);
 void mutex_unlock(mutex_t *m);

 #endif