From 8524d6536c7bcb893115c0c48982c7311906c1db Mon Sep 17 00:00:00 2001 From: Rich Felker Date: Tue, 29 Mar 2011 15:11:25 -0400 Subject: [PATCH] revert mutex "optimization" that turned out to be worse --- src/thread/pthread_mutex_trylock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/thread/pthread_mutex_trylock.c b/src/thread/pthread_mutex_trylock.c index 232e172b..50a815a5 100644 --- a/src/thread/pthread_mutex_trylock.c +++ b/src/thread/pthread_mutex_trylock.c @@ -7,7 +7,7 @@ int pthread_mutex_trylock(pthread_mutex_t *m) pthread_t self; if (m->_m_type == PTHREAD_MUTEX_NORMAL) - return (m->_m_lock || a_swap(&m->_m_lock, 1)) ? EBUSY : 0; + return -a_swap(&m->_m_lock, 1) & EBUSY; self = pthread_self(); tid = self->tid | 0x80000000; -- 2.25.1