From 117581ca69ec2a9c341390eed353646b47a512df Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Mon, 28 Mar 2011 22:22:54 -0400 Subject: fix broken spinlock due to miscompilation actually this trick also seems to have made the uncontended case slower. --- src/thread/pthread_spin_lock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/thread/pthread_spin_lock.c b/src/thread/pthread_spin_lock.c index 9e43f475..59fa6ea8 100644 --- a/src/thread/pthread_spin_lock.c +++ b/src/thread/pthread_spin_lock.c @@ -2,6 +2,6 @@ int pthread_spin_lock(pthread_spinlock_t *s) { - while (*s || a_xchg(s, 1)); + while (a_xchg(s, 1)); return 0; } -- cgit v1.2.1