+
+
+int xbt_barrier_wait(xbt_bar_t bar)
+{
+ int ret=0;
+ xbt_mutex_acquire(bar->mutex);
+ if (++bar->arrived_processes == bar->expected_processes) {
+ xbt_cond_broadcast(bar->cond);
+ xbt_mutex_release(bar->mutex);
+ ret=XBT_BARRIER_SERIAL_PROCESS;
+ bar->arrived_processes = 0;
+ } else {
+ xbt_cond_wait(bar->cond, bar->mutex);
+ xbt_mutex_release(bar->mutex);
+ }
+
+ return ret;
+}
+
+void xbt_barrier_destroy(xbt_bar_t bar)
+{
+ xbt_mutex_destroy(bar->mutex);
+ xbt_cond_destroy(bar->cond);
+ xbt_free(bar);
+}
+