/*  * mutex7n.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., *      59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * * -------------------------------------------------------------------------- * * Tests PTHREAD_MUTEX_NORMAL mutex type. * Thread locks then trylocks mutex (attempted recursive lock). * The thread should lock first time and EBUSY second time. * * 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 = 0;static pthread_mutex_t mutex;static pthread_mutexattr_t mxAttr;void * locker(void * arg){  assert(pthread_mutex_lock(&mutex) == 0);  lockCount++;  assert(pthread_mutex_trylock(&mutex) == EBUSY);  lockCount++;  assert(pthread_mutex_unlock(&mutex) == 0);  assert(pthread_mutex_unlock(&mutex) == EPERM);  return (void *) 555;} intmain(){  pthread_t t;  int mxType = -1;  assert(pthread_mutexattr_init(&mxAttr) == 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(1000);  assert(lockCount == 2);  exit(0);  /* Never reached */  return 0;}