X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2Fpthread_barrier_destroy.c;h=4ce0b2e1278499de5e417f870d4e4e6c04655638;hb=159d1f6c02569091c7a48bdb2e2e824b844a1902;hp=3ebc2b39a2c6af2ec58e09752aa0ef9464e8e9fc;hpb=8f4a115e7d38c31ad8d8c7233eaff2db270aebd8;p=musl

diff --git a/src/thread/pthread_barrier_destroy.c b/src/thread/pthread_barrier_destroy.c
index 3ebc2b39..4ce0b2e1 100644
--- a/src/thread/pthread_barrier_destroy.c
+++ b/src/thread/pthread_barrier_destroy.c
@@ -1,14 +1,15 @@
 #include "pthread_impl.h"
 
-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);
-		__vm_lock(-1);
-		__vm_unlock();
+		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_wait();
 	}
 	return 0;
 }