minor locking optimizations

[musl] / src / thread / pthread_barrier_wait.c

diff --git a/src/thread/pthread_barrier_wait.c b/src/thread/pthread_barrier_wait.c
index 1e638d9..aed1adc 100644 (file)
--- a/src/thread/pthread_barrier_wait.c
+++ b/src/thread/pthread_barrier_wait.c
@@ -38,7 +38,6 @@ int pthread_barrier_wait(pthread_barrier_t *b)
 
        /* Last thread to enter the barrier wakes all non-instance-owners */
        if (++inst->count == limit) {
-a_spin(); a_spin();
                b->_b_inst = 0;
                a_store(&b->_b_lock, 0);
                if (b->_b_waiters) __wake(&b->_b_lock, 1, 0);