diff options
| author | David Xu <davidxu@FreeBSD.org> | 2010-12-24 07:41:39 +0000 |
|---|---|---|
| committer | David Xu <davidxu@FreeBSD.org> | 2010-12-24 07:41:39 +0000 |
| commit | e29ba4c2dbd33049583e4b2ac76feb45d0190f1d (patch) | |
| tree | 9d73a61019b085dd29e805650bb45f68f2c9bd84 /lib/libthr | |
| parent | 5f523ccd1c48b0414da5c131b823351a255e7ecf (diff) | |
| download | src-e29ba4c2dbd33049583e4b2ac76feb45d0190f1d.tar.gz src-e29ba4c2dbd33049583e4b2ac76feb45d0190f1d.zip | |
Always clear flag PMUTEX_FLAG_DEFERED when unlocking, as it is only
significant for lock owner.
Notes
Notes:
svn path=/head/; revision=216687
Diffstat (limited to 'lib/libthr')
| -rw-r--r-- | lib/libthr/thread/thr_mutex.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/libthr/thread/thr_mutex.c b/lib/libthr/thread/thr_mutex.c index bd1fc2b550e3..d583a207d683 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; |