glibc/nptl/pthread_mutex_destroy.c
Ulrich Drepper 683040c3b2 * sysdeps/unix/sysv/linux/not-cancel.h (__openat_not_cancel,
__openat64_not_cancel): Remove prototypes.
	(__openat_nocancel, __openat64_nocancel): New prototypes or defines.
	(openat_not_cancel, openat_not_cancel_3, openat64_not_cancel,
	openat64_not_cancel_3): Use them.
2006-02-15 17:20:33 +00:00

46 lines
1.5 KiB
C

/* Copyright (C) 2002, 2003, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include "pthreadP.h"
int
__pthread_mutex_destroy (mutex)
pthread_mutex_t *mutex;
{
if (mutex->__data.__nusers != 0)
{
if ((mutex->__data.__kind & PTHREAD_MUTEX_ROBUST_PRIVATE_NP) != 0
&& (mutex->__data.__lock & FUTEX_OWNER_DIED) != 0
&& mutex->__data.__nusers == 1)
goto dead_robust_mutex;
return EBUSY;
}
/* Set to an invalid value. */
dead_robust_mutex:
mutex->__data.__kind = -1;
return 0;
}
strong_alias (__pthread_mutex_destroy, pthread_mutex_destroy)
INTDEF(__pthread_mutex_destroy)