have barrier_wait return XBT/MSG_BARRIER_SERIAL_PROCESS for one process

[simgrid.git] / include / xbt / synchro_core.h

diff --git a/include/xbt/synchro_core.h b/include/xbt/synchro_core.h
index 5313a9c..d427488 100644 (file)
--- a/include/xbt/synchro_core.h
+++ b/include/xbt/synchro_core.h
@@ -107,10 +107,11 @@ XBT_PUBLIC(void) xbt_cond_broadcast(xbt_cond_t cond);
 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(void) xbt_barrier_wait(xbt_bar_t bar);
+XBT_PUBLIC(int) xbt_barrier_wait(xbt_bar_t bar);
 
 /** @} */