correctly handle the degenerate barrier in the pshared case

This commit is contained in:
Rich Felker 2011-09-27 23:08:59 -04:00
parent 3ac092bd7d
commit 067bdc2c18
1 changed files with 1 additions and 1 deletions

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@ -24,7 +24,7 @@ static int pshared_barrier_wait(pthread_barrier_t *b)
int seq;
int ret = 0;
if (!limit) return PTHREAD_BARRIER_SERIAL_THREAD;
if (limit==1) return PTHREAD_BARRIER_SERIAL_THREAD;
while (a_swap(&b->_b_lock, 1))
__wait(&b->_b_lock, &b->_b_waiters, 1, 0);