X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fthread%2Fpthread_cond_signal.c;h=a0211287be7dd748b2d9f2cd76352692493e8d26;hp=574f5c79bab9a6e04a3078a1748a2a45f2901d39;hb=28af39fe427ffec8b836f4f30450ffc30b03e5c4;hpb=e882756311c7b06e59fcc8e582f03852b7dcfd30

diff --git a/src/thread/pthread_cond_signal.c b/src/thread/pthread_cond_signal.c
index 574f5c79..a0211287 100644
--- a/src/thread/pthread_cond_signal.c
+++ b/src/thread/pthread_cond_signal.c
@@ -2,7 +2,7 @@
 
 int pthread_cond_signal(pthread_cond_t *c)
 {
-	c->_c_block = 0;
-	__wake(&c->_c_block, 1, 0);
+	if (a_swap(&c->_c_block, 0));
+		__wake(&c->_c_block, 1, 0);
 	return 0;
 }