yolobs-studio/deps/w32-pthreads/tests/reuse1.c
2017-04-19 22:03:16 +02:00

124 lines
3.1 KiB
C

/*
* File: reuse1.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
*
* --------------------------------------------------------------------------
*
* Test Synopsis:
* - Confirm that thread reuse works for joined threads.
*
* Test Method (Validation or Falsification):
* -
*
* Requirements Tested:
* -
*
* Features Tested:
* -
*
* Cases Tested:
* -
*
* Description:
* -
*
* Environment:
* -
*
* Input:
* - None.
*
* Output:
* - File name, Line number, and failed expression on failure.
* - No output on success.
*
* Assumptions:
* -
*
* Pass Criteria:
* - Process returns zero exit status.
*
* Fail Criteria:
* - Process returns non-zero exit status.
*/
#include "test.h"
enum {
NUMTHREADS = 100
};
static int washere = 0;
void * func(void * arg)
{
washere = 1;
return arg;
}
int
main()
{
pthread_t t,
last_t;
pthread_attr_t attr;
void * result = NULL;
int i;
assert(pthread_attr_init(&attr) == 0);;
assert(pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE) == 0);
washere = 0;
assert(pthread_create(&t, &attr, func, NULL) == 0);
assert(pthread_join(t, &result) == 0);;
assert((int)(size_t)result == 0);
assert(washere == 1);
last_t = t;
for (i = 1; i < NUMTHREADS; i++)
{
washere = 0;
assert(pthread_create(&t, &attr, func, (void *)(size_t)i) == 0);
pthread_join(t, &result);
assert((int)(size_t) result == i);
assert(washere == 1);
/* thread IDs should be unique */
assert(!pthread_equal(t, last_t));
/* thread struct pointers should be the same */
assert(t.p == last_t.p);
/* thread handle reuse counter should be different by one */
assert(t.x == last_t.x+1);
last_t = t;
}
return 0;
}