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| author | Rich Felker <dalias@aerifal.cx> | 2011-03-17 12:21:32 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2011-03-17 12:21:32 -0400 |
| commit | b1c43161c2b37e35eae60fa61621a24a5d820d83 (patch) | |
| tree | b6c532f959850f42ad219d87b721a587973c6654 /src/thread/pthread_mutex_unlock.c | |
| parent | e914f8b7ec79f622fa3b017af434642f61d45ce8 (diff) | |
| download | musl-b1c43161c2b37e35eae60fa61621a24a5d820d83.tar.gz musl-b1c43161c2b37e35eae60fa61621a24a5d820d83.tar.bz2 musl-b1c43161c2b37e35eae60fa61621a24a5d820d83.tar.xz musl-b1c43161c2b37e35eae60fa61621a24a5d820d83.zip | |
unify lock and owner fields of mutex structure
this change is necessary to free up one slot in the mutex structure so
that we can use doubly-linked lists in the implementation of robust
mutexes.
Diffstat (limited to 'src/thread/pthread_mutex_unlock.c')
| -rw-r--r-- | src/thread/pthread_mutex_unlock.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/src/thread/pthread_mutex_unlock.c b/src/thread/pthread_mutex_unlock.c index 39cea4b6..61a2b947 100644 --- a/src/thread/pthread_mutex_unlock.c +++ b/src/thread/pthread_mutex_unlock.c @@ -3,13 +3,12 @@ int pthread_mutex_unlock(pthread_mutex_t *m) { if (m->_m_type != PTHREAD_MUTEX_NORMAL) { - if (m->_m_owner != pthread_self()->tid) + if (m->_m_lock != pthread_self()->tid) return EPERM; if (m->_m_type == PTHREAD_MUTEX_RECURSIVE && --m->_m_count) return 0; } - m->_m_owner = 0; m->_m_lock = 0; if (m->_m_waiters) __wake(&m->_m_lock, 1, 0); return 0; |