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2003-06-18  Ulrich Drepper  <drepper@redhat.com>

	* pthread_mutex_destroy.c (__pthread_mutex_destroy): For
	error-checking mutex detect busy mutexes.
This commit is contained in:
Ulrich Drepper
2003-06-18 18:10:57 +00:00
parent fae49c6287
commit f6c93bd9c8
3 changed files with 13 additions and 2 deletions
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8
nptl/pthread_mutex_destroy.c
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@ -1,4 +1,4 @@
/* Copyright (C) 2002 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -17,6 +17,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include "pthreadP.h"
@ -24,6 +25,11 @@ int
__pthread_mutex_destroy (mutex)
pthread_mutex_t *mutex;
{
if (__builtin_expect (mutex->__data.__kind == PTHREAD_MUTEX_ERRORCHECK_NP,
0)
&& lll_mutex_trylock (mutex->__data.__lock) != 0)
return EBUSY;
return 0;
}
strong_alias (__pthread_mutex_destroy, pthread_mutex_destroy)