X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2Fpthread_barrier_destroy.c;h=e0da197a442d2f924fca76163ff13e57766152ce;hb=af3330d7648627816fbc82aa3247419e8a528230;hp=3ebc2b39a2c6af2ec58e09752aa0ef9464e8e9fc;hpb=8f4a115e7d38c31ad8d8c7233eaff2db270aebd8;p=musl

diff --git a/src/thread/pthread_barrier_destroy.c b/src/thread/pthread_barrier_destroy.c
index 3ebc2b39..e0da197a 100644
--- a/src/thread/pthread_barrier_destroy.c
+++ b/src/thread/pthread_barrier_destroy.c
@@ -5,8 +5,12 @@ void __vm_lock(int), __vm_unlock(void);
 int pthread_barrier_destroy(pthread_barrier_t *b)
 {
 	if (b->_b_limit < 0) {
-		int seq = b->_b_seq;
-		if (seq & 1) __wait(&b->_b_seq, 0, seq, 0);
+		if (b->_b_lock) {
+			int v;
+			a_or(&b->_b_lock, INT_MIN);
+			while ((v = b->_b_lock) & INT_MAX)
+				__wait(&b->_b_lock, 0, v, 0);
+		}
 		__vm_lock(-1);
 		__vm_unlock();
 	}