getservbyport_r: fix wrong result if getnameinfo fails with EAI_OVERFLOW

[musl] / src / thread / pthread_barrier_destroy.c

diff --git a/src/thread/pthread_barrier_destroy.c b/src/thread/pthread_barrier_destroy.c
index 2898c41..4ce0b2e 100644 (file)
--- a/src/thread/pthread_barrier_destroy.c
+++ b/src/thread/pthread_barrier_destroy.c
@@ -2,5 +2,14 @@
 
 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_wait();
+       }
        return 0;
 }