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/*
* mutex6n.c
*
*
* --------------------------------------------------------------------------
*
* Pthreads-win32 - POSIX Threads Library for Win32
* Copyright(C) 1998 John E. Bossom
* Copyright(C) 1999,2012 Pthreads-win32 contributors
*
* Homepage1: http://sourceware.org/pthreads-win32/
* Homepage2: http://sourceforge.net/projects/pthreads4w/
*
* The current list of contributors is contained
* in the file CONTRIBUTORS included with the source
* code distribution. The list can also be seen at the
* following World Wide Web location:
* http://sources.redhat.com/pthreads-win32/contributors.html
*
* This 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 of the License, or (at your option) any later version.
*
* This 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 this library in the file COPYING.LIB;
* if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*
* --------------------------------------------------------------------------
*
* Tests PTHREAD_MUTEX_NORMAL mutex type.
* Thread locks mutex twice (recursive lock).
* The thread should deadlock.
*
* Depends on API functions:
* pthread_create()
* pthread_mutexattr_init()
* pthread_mutexattr_settype()
* pthread_mutexattr_gettype()
* pthread_mutex_init()
* pthread_mutex_lock()
* pthread_mutex_unlock()
*/
#include "test.h"
static int lockCount;
static pthread_mutex_t mutex;
static pthread_mutexattr_t mxAttr;
void * locker(void * arg)
{
assert(pthread_mutex_lock(&mutex) == 0);
lockCount++;
/* Should wait here (deadlocked) */
assert(pthread_mutex_lock(&mutex) == 0);
lockCount++;
assert(pthread_mutex_unlock(&mutex) == 0);
return (void *) 555;
}
int
main()
{
pthread_t t;
int mxType = -1;
assert(pthread_mutexattr_init(&mxAttr) == 0);
BEGIN_MUTEX_STALLED_ROBUST(mxAttr)
lockCount = 0;
assert(pthread_mutexattr_settype(&mxAttr, PTHREAD_MUTEX_NORMAL) == 0);
assert(pthread_mutexattr_gettype(&mxAttr, &mxType) == 0);
assert(mxType == PTHREAD_MUTEX_NORMAL);
assert(pthread_mutex_init(&mutex, &mxAttr) == 0);
assert(pthread_create(&t, NULL, locker, NULL) == 0);
Sleep(100);
assert(lockCount == 1);
assert(pthread_mutex_unlock(&mutex) == (IS_ROBUST?EPERM:0));
Sleep (100);
assert(lockCount == (IS_ROBUST?1:2));
END_MUTEX_STALLED_ROBUST(mxAttr)
return 0;
}
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