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-rw-r--r--tests/test-pthread-thread.c73
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diff --git a/tests/test-pthread-thread.c b/tests/test-pthread-thread.c
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+/* Test of pthread_create () function.
+ Copyright (C) 2011-2022 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;
+ }
+}