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/* Test of pthread_create () function.
Copyright (C) 2011-2020 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2011. */
#include <config.h>
#include <pthread.h>
#include <stdio.h>
#include <string.h>
#include "macros.h"
static pthread_t main_thread_before;
static pthread_t main_thread_after;
static pthread_t worker_thread;
#define MAGIC ((void *) 1266074729)
static volatile int work_done;
static void *
worker_thread_func (void *arg)
{
work_done = 1;
return MAGIC;
}
int
main ()
{
main_thread_before = pthread_self ();
if (pthread_create (&worker_thread, NULL, worker_thread_func, NULL) == 0)
{
void *ret;
/* Check that pthread_self () has the same value before than after the
first call to pthread_create (). */
main_thread_after = pthread_self ();
ASSERT (memcmp (&main_thread_before, &main_thread_after,
sizeof (pthread_t))
== 0);
ASSERT (pthread_join (worker_thread, &ret) == 0);
/* Check the return value of the thread. */
ASSERT (ret == MAGIC);
/* Check that worker_thread_func () has finished executing. */
ASSERT (work_done);
return 0;
}
else
{
fputs ("pthread_create failed\n", stderr);
return 1;
}
}
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