95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
/*
|
|
* mutex6es.c
|
|
*
|
|
*
|
|
* --------------------------------------------------------------------------
|
|
*
|
|
* Pthreads-win32 - POSIX Threads Library for Win32
|
|
* Copyright(C) 1998 John E. Bossom
|
|
* Copyright(C) 1999,2005 Pthreads-win32 contributors
|
|
*
|
|
* Contact Email: rpj@callisto.canberra.edu.au
|
|
*
|
|
* 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.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*
|
|
* --------------------------------------------------------------------------
|
|
*
|
|
* Tests PTHREAD_MUTEX_ERRORCHECK static mutex type.
|
|
* Thread locks mutex twice (recursive lock).
|
|
* This should fail with an EDEADLK error.
|
|
* The second unlock attempt should fail with an EPERM error.
|
|
*
|
|
* Depends on API functions:
|
|
* pthread_create()
|
|
* pthread_join()
|
|
* pthread_mutexattr_init()
|
|
* pthread_mutexattr_destroy()
|
|
* pthread_mutexattr_settype()
|
|
* pthread_mutexattr_gettype()
|
|
* pthread_mutex_init()
|
|
* pthread_mutex_destroy()
|
|
* pthread_mutex_lock()
|
|
* pthread_mutex_unlock()
|
|
*/
|
|
|
|
#include "test.h"
|
|
|
|
static int lockCount = 0;
|
|
|
|
static pthread_mutex_t mutex = PTHREAD_ERRORCHECK_MUTEX_INITIALIZER;
|
|
|
|
void * locker(void * arg)
|
|
{
|
|
assert(pthread_mutex_lock(&mutex) == 0);
|
|
lockCount++;
|
|
assert(pthread_mutex_lock(&mutex) == EDEADLK);
|
|
lockCount++;
|
|
assert(pthread_mutex_unlock(&mutex) == 0);
|
|
assert(pthread_mutex_unlock(&mutex) == EPERM);
|
|
|
|
return (void *) 555;
|
|
}
|
|
|
|
int
|
|
main()
|
|
{
|
|
pthread_t t;
|
|
void* result = (void*)0;
|
|
|
|
assert(mutex == PTHREAD_ERRORCHECK_MUTEX_INITIALIZER);
|
|
|
|
assert(pthread_create(&t, NULL, locker, NULL) == 0);
|
|
|
|
assert(pthread_join(t, &result) == 0);
|
|
assert((int)(size_t)result == 555);
|
|
|
|
assert(lockCount == 2);
|
|
|
|
assert(pthread_mutex_destroy(&mutex) == 0);
|
|
|
|
exit(0);
|
|
|
|
/* Never reached */
|
|
return 0;
|
|
}
|
|
|