From 1d89f14a5c73f15c775296de015f425df23c8d94 Mon Sep 17 00:00:00 2001 From: davidxu Date: Fri, 24 Dec 2010 07:41:39 +0000 Subject: Always clear flag PMUTEX_FLAG_DEFERED when unlocking, as it is only significant for lock owner. --- lib/libthr/thread/thr_mutex.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'lib') diff --git a/lib/libthr/thread/thr_mutex.c b/lib/libthr/thread/thr_mutex.c index bd1fc2b..d583a20 100644 --- a/lib/libthr/thread/thr_mutex.c +++ b/lib/libthr/thread/thr_mutex.c @@ -653,7 +653,7 @@ mutex_unlock_common(struct pthread_mutex *m, int cv) m->m_count > 0)) { m->m_count--; } else { - if (curthread->will_sleep == 0 && (m->m_flags & PMUTEX_FLAG_DEFERED) != 0) { + if ((m->m_flags & PMUTEX_FLAG_DEFERED) != 0) { defered = 1; m->m_flags &= ~PMUTEX_FLAG_DEFERED; } else @@ -662,7 +662,7 @@ mutex_unlock_common(struct pthread_mutex *m, int cv) DEQUEUE_MUTEX(curthread, m); _thr_umutex_unlock(&m->m_lock, id); - if (defered) { + if (curthread->will_sleep == 0 && defered) { _thr_wake_all(curthread->defer_waiters, curthread->nwaiter_defer); curthread->nwaiter_defer = 0; -- cgit v1.1