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Fix broken pthread_mutex_trylock().

This commit is contained in:
ad 2007-09-11 11:30:15 +00:00
parent baebee83d5
commit ee3459ca7b
1 changed files with 7 additions and 6 deletions
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13
lib/libpthread/pthread_mutex2.c
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@ -1,4 +1,4 @@
/* $NetBSD: pthread_mutex2.c,v 1.4 2007/09/10 11:34:05 skrll Exp $ */
/* $NetBSD: pthread_mutex2.c,v 1.5 2007/09/11 11:30:15 ad Exp $ */
/*-
* Copyright (c) 2001, 2003, 2006, 2007 The NetBSD Foundation, Inc.
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: pthread_mutex2.c,v 1.4 2007/09/10 11:34:05 skrll Exp $");
__RCSID("$NetBSD: pthread_mutex2.c,v 1.5 2007/09/11 11:30:15 ad Exp $");
#include <errno.h>
#include <limits.h>
@ -313,7 +313,7 @@ pthread_mutex_trylock(pthread_mutex_t *ptm)
*/
mp = ptm->ptm_private;
if (mp != NULL && mp->type == PTHREAD_MUTEX_RECURSIVE &&
ptm->ptm_owner == self) {
MUTEX_OWNER(value) == (uintptr_t)self) {
if (mp->recursecount == INT_MAX)
return EAGAIN;
mp->recursecount++;
@ -339,13 +339,14 @@ pthread_mutex_unlock(pthread_mutex_t *ptm)
* if we know we own the mutex.
*/
self = pthread_self();
weown = (MUTEX_OWNER(ptm->ptm_owner) == (uintptr_t)self);
owner = ptm->ptm_owner;
weown = (MUTEX_OWNER(owner) == (uintptr_t)self);
mp = ptm->ptm_private;
if (mp == NULL) {
if (__predict_false(!weown)) {
pthread__error(EPERM, "Unlocking unlocked mutex",
(ptm->ptm_owner != 0));
(owner != NULL));
pthread__error(EPERM,
"Unlocking mutex owned by another thread", weown);
}
@ -370,7 +371,7 @@ pthread_mutex_unlock(pthread_mutex_t *ptm)
return EPERM;
if (__predict_false(!weown)) {
pthread__error(EPERM, "Unlocking unlocked mutex",
(ptm->ptm_owner != 0));
(owner != NULL));
pthread__error(EPERM,
"Unlocking mutex owned by another thread", weown);
}