X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/6de03ecc4e630732984a0673512a5d15fd75e270..0917b3d40163b247c05fe33f60eb71c00a7c6854:/include/xbt/synchro_core.h

diff --git a/include/xbt/synchro_core.h b/include/xbt/synchro_core.h
index c41c26c648..2c8e641a1b 100644
--- a/include/xbt/synchro_core.h
+++ b/include/xbt/synchro_core.h
@@ -79,6 +79,15 @@ XBT_PUBLIC(xbt_mutex_t) xbt_mutex_init(void);
 /** @brief Blocks onto the given mutex variable */
 XBT_PUBLIC(void) xbt_mutex_acquire(xbt_mutex_t mutex);
 
+/** @brief Tries to block onto the given mutex variable 
+ * Tries to lock a mutex, return 1 if the mutex is unlocked, else 0.
+ * This function does not block and wait for the mutex to be unlocked.
+ * \param mutex The mutex
+ * \param issuer The process that tries to acquire the mutex
+ * \return 1 - mutex free, 0 - mutex used
+ */
+XBT_PUBLIC(int) xbt_mutex_try_acquire(xbt_mutex_t mutex);
+
 /** @brief Releases the given mutex variable */
 XBT_PUBLIC(void) xbt_mutex_release(xbt_mutex_t mutex);
 
@@ -106,6 +115,13 @@ XBT_PUBLIC(void) xbt_cond_broadcast(xbt_cond_t cond);
 /** @brief Destroys the given mutex variable */
 XBT_PUBLIC(void) xbt_cond_destroy(xbt_cond_t cond);
 
+
+#define XBT_BARRIER_SERIAL_PROCESS -1
+typedef struct s_xbt_bar_ *xbt_bar_t;
+XBT_PUBLIC(xbt_bar_t) xbt_barrier_init( unsigned int count);
+XBT_PUBLIC(void) xbt_barrier_destroy(xbt_bar_t bar);
+XBT_PUBLIC(int) xbt_barrier_wait(xbt_bar_t bar);
+
 /** @} */
 
 SG_END_DECL()