diff options
| author | David Leonard <d@cvs.openbsd.org> | 2000-01-06 07:18:47 +0000 |
|---|---|---|
| committer | David Leonard <d@cvs.openbsd.org> | 2000-01-06 07:18:47 +0000 |
| commit | 8c84868319c9d38dd5f9b559f4897bbf0fe08a77 (patch) | |
| tree | 7f6635dbd033a1de66ff83de66e8ffa157e27d51 /lib/libc_r | |
| parent | 119c84333926d9ff71fcc88a11331402226ccf63 (diff) | |
SPINLOCK_INIT, volatile
Diffstat (limited to 'lib/libc_r')
| -rw-r--r-- | lib/libc_r/uthread/uthread_mutex.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/lib/libc_r/uthread/uthread_mutex.c b/lib/libc_r/uthread/uthread_mutex.c index 1ddce4f6131..88ce0ee6200 100644 --- a/lib/libc_r/uthread/uthread_mutex.c +++ b/lib/libc_r/uthread/uthread_mutex.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uthread_mutex.c,v 1.9 1999/11/25 07:01:38 d Exp $ */ +/* $OpenBSD: uthread_mutex.c,v 1.10 2000/01/06 07:18:46 d Exp $ */ /* * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>. * All rights reserved. @@ -188,10 +188,10 @@ pthread_mutex_init(pthread_mutex_t * mutex, pmutex->m_prio = 0; pmutex->m_saved_prio = 0; _MUTEX_INIT_LINK(pmutex); - memset(&pmutex->lock, 0, sizeof(pmutex->lock)); + _SPINLOCK_INIT(&pmutex->lock); *mutex = pmutex; } else { - free(pmutex); + free((void *)pmutex); *mutex = NULL; } } @@ -228,7 +228,7 @@ pthread_mutex_destroy(pthread_mutex_t * mutex) * structure: */ _MUTEX_ASSERT_NOT_OWNED(*mutex); - free(*mutex); + free((void *)*mutex); /* * Leave the caller's pointer NULL now that @@ -304,6 +304,7 @@ pthread_mutex_trylock(pthread_mutex_t * mutex) _MUTEX_ASSERT_NOT_OWNED(*mutex); TAILQ_INSERT_TAIL(&_thread_run->mutexq, (*mutex), m_qe); + } else if ((*mutex)->m_owner == _thread_run) ret = mutex_self_trylock(*mutex); else @@ -1353,7 +1354,8 @@ mutex_queue_enq(pthread_mutex_t mutex, pthread_t pthread) * at the tail of the queue. */ if ((tid == NULL) || (pthread->active_priority <= tid->active_priority)) - TAILQ_INSERT_TAIL(&mutex->m_queue, pthread, qe); + TAILQ_INSERT_TAIL(&mutex->m_queue, pthread, qe); + /* (pthread)->qe.tqe_prev = ((&mutex->m_queue))->tqh_last; */ else { tid = TAILQ_FIRST(&mutex->m_queue); while (pthread->active_priority <= tid->active_priority) |