88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
|
/*
|
||
|
|
* rwlock4_t.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
|
||
|
|
*
|
||
|
|
* --------------------------------------------------------------------------
|
||
|
|
*
|
||
|
|
* Declare a static rwlock object, timed-rdlock it, trywrlock it,
|
||
|
|
* and then unlock it again.
|
||
|
|
*
|
||
|
|
* Depends on API functions:
|
||
|
|
* pthread_rwlock_timedrdlock()
|
||
|
|
* pthread_rwlock_trywrlock()
|
||
|
|
* pthread_rwlock_unlock()
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "test.h"
|
||
|
|
#include <sys/timeb.h>
|
||
|
|
|
||
|
|
pthread_rwlock_t rwlock1 = PTHREAD_RWLOCK_INITIALIZER;
|
||
|
|
|
||
|
|
static int washere = 0;
|
||
|
|
|
||
|
|
void * func(void * arg)
|
||
|
|
{
|
||
|
|
assert(pthread_rwlock_trywrlock(&rwlock1) == EBUSY);
|
||
|
|
|
||
|
|
washere = 1;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
main()
|
||
|
|
{
|
||
|
|
pthread_t t;
|
||
|
|
struct timespec abstime = { 0, 0 };
|
||
|
|
PTW32_STRUCT_TIMEB currSysTime;
|
||
|
|
const DWORD NANOSEC_PER_MILLISEC = 1000000;
|
||
|
|
|
||
|
|
PTW32_FTIME(&currSysTime);
|
||
|
|
|
||
|
|
abstime.tv_sec = (long)currSysTime.time;
|
||
|
|
abstime.tv_nsec = NANOSEC_PER_MILLISEC * currSysTime.millitm;
|
||
|
|
|
||
|
|
abstime.tv_sec += 1;
|
||
|
|
|
||
|
|
assert(pthread_rwlock_timedrdlock(&rwlock1, &abstime) == 0);
|
||
|
|
|
||
|
|
assert(pthread_create(&t, NULL, func, NULL) == 0);
|
||
|
|
|
||
|
|
Sleep(2000);
|
||
|
|
|
||
|
|
assert(pthread_rwlock_unlock(&rwlock1) == 0);
|
||
|
|
|
||
|
|
assert(washere == 1);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|