X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2Fpthread_barrier_destroy.c;h=e0da197a442d2f924fca76163ff13e57766152ce;hb=f143458223f90262a9c2d929f9e815a74e3aa139;hp=2898c41a00f9fff5377826556e19a554242735ba;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01;p=musl

diff --git a/src/thread/pthread_barrier_destroy.c b/src/thread/pthread_barrier_destroy.c
index 2898c41a..e0da197a 100644
--- a/src/thread/pthread_barrier_destroy.c
+++ b/src/thread/pthread_barrier_destroy.c
@@ -1,6 +1,18 @@
 #include "pthread_impl.h"
 
+void __vm_lock(int), __vm_unlock(void);
+
 int pthread_barrier_destroy(pthread_barrier_t *b)
 {
+	if (b->_b_limit < 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();
+	}
 	return 0;
 }