Fix a couple of bugs in the posix semaphore implementation.

luciang · Sep 13, 2007 · 5c32b4d · 5c32b4d
1 parent cac2641
commit 5c32b4d
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/posix.c b/posix.c
@@ -124,8 +124,9 @@ void linux_enter_idle(void)
 
 	pthread_sigmask(SIG_BLOCK, &sigmask, NULL);
 	pthread_mutex_lock(&idle_sem.lock);
-	if (idle_sem.count <= 0)
+	while (idle_sem.count <= 0)
 		pthread_cond_wait(&idle_sem.cond, &idle_sem.lock);
+	idle_sem.count--;
 	pthread_mutex_unlock(&idle_sem.lock);
 	pthread_sigmask(SIG_UNBLOCK, &sigmask, NULL);
 }