From: Rich Felker <dalias@aerifal.cx>
Date: Wed, 28 Sep 2011 03:08:59 +0000 (-0400)
Subject: correctly handle the degenerate barrier in the pshared case
X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=commitdiff_plain;h=067bdc2c180885af831f55f971f5eb17d2c9dc27;hp=3ac092bd7d700c6316c64660e2a722a2f85652a5

correctly handle the degenerate barrier in the pshared case
---

diff --git a/src/thread/pthread_barrier_wait.c b/src/thread/pthread_barrier_wait.c
index 83c32ca3..a97f6d56 100644
--- a/src/thread/pthread_barrier_wait.c
+++ b/src/thread/pthread_barrier_wait.c
@@ -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);