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Merge remote-tracking branch 'nsz/review'
[musl]
/
src
/
thread
/
pthread_barrier_destroy.c
diff --git
a/src/thread/pthread_barrier_destroy.c
b/src/thread/pthread_barrier_destroy.c
index
3ebc2b3
..
e0da197
100644
(file)
--- 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 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();
}
__vm_lock(-1);
__vm_unlock();
}