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/* Test of gl_thread_create () macro.
Copyright (C) 2011-2024 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 "glthread/thread.h"
#include <stdio.h>
#include <string.h>
#include "macros.h"
static gl_thread_t main_thread_before;
static gl_thread_t main_thread_after;
static gl_thread_t worker_thread;
static int dummy;
static volatile int work_done;
static void *
worker_thread_func (_GL_UNUSED void *arg)
{
work_done = 1;
return &dummy;
}
int
main ()
{
main_thread_before = gl_thread_self ();
if (glthread_create (&worker_thread, worker_thread_func, NULL) == 0)
{
void *ret;
/* Check that gl_thread_self () has the same value before than after the
first call to gl_thread_create (). */
main_thread_after = gl_thread_self ();
ASSERT (memcmp (&main_thread_before, &main_thread_after,
sizeof (gl_thread_t))
== 0);
gl_thread_join (worker_thread, &ret);
/* Check the return value of the thread. */
ASSERT (ret == &dummy);
/* Check that worker_thread_func () has finished executing. */
ASSERT (work_done);
return test_exit_status;
}
else
{
#if USE_ISOC_THREADS || USE_POSIX_THREADS || USE_ISOC_AND_POSIX_THREADS || USE_WINDOWS_THREADS
fputs ("glthread_create failed\n", stderr);
return 1;
#else
fputs ("Skipping test: multithreading not enabled\n", stderr);
return 77;
#endif
}
}
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