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/* Test of gl_thread_create () macro.
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Copyright (C) 2011-2020 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2011. */
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#include <config.h>
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#include "glthread/thread.h"
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#include <stdio.h>
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#include <string.h>
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#include "macros.h"
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static gl_thread_t main_thread_before;
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static gl_thread_t main_thread_after;
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static gl_thread_t worker_thread;
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static int dummy;
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static volatile int work_done;
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static void *
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worker_thread_func (void *arg)
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{
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work_done = 1;
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return &dummy;
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}
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int
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main ()
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{
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main_thread_before = gl_thread_self ();
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if (glthread_create (&worker_thread, worker_thread_func, NULL) == 0)
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{
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void *ret;
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/* Check that gl_thread_self () has the same value before than after the
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first call to gl_thread_create (). */
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main_thread_after = gl_thread_self ();
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ASSERT (memcmp (&main_thread_before, &main_thread_after,
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sizeof (gl_thread_t))
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== 0);
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gl_thread_join (worker_thread, &ret;;
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/* Check the return value of the thread. */
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ASSERT (ret == &dummy);
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/* Check that worker_thread_func () has finished executing. */
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ASSERT (work_done);
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return 0;
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}
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else
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{
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#if USE_ISOC_THREADS || USE_POSIX_THREADS || USE_ISOC_AND_POSIX_THREADS || USE_WINDOWS_THREADS
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fputs ("glthread_create failed\n", stderr);
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return 1;
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#else
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fputs ("Skipping test: multithreading not enabled\n", stderr);
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return 77;
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#endif
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}
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}
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