82 lines
1.8 KiB
C
82 lines
1.8 KiB
C
/* Copyright (C) 2002-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
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static void *
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tf (void *arg)
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{
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pthread_t mh = (pthread_t) arg;
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void *result;
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if (pthread_mutex_unlock (&lock) != 0)
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{
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puts ("unlock failed");
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exit (1);
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}
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if (pthread_join (mh, &result) != 0)
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{
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puts ("join failed");
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exit (1);
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}
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if (result != (void *) 42l)
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{
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printf ("result wrong: expected %p, got %p\n", (void *) 42, result);
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exit (1);
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}
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exit (0);
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}
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static int
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do_test (void)
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{
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pthread_t th;
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if (pthread_mutex_lock (&lock) != 0)
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{
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puts ("1st lock failed");
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exit (1);
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}
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if (pthread_create (&th, NULL, tf, (void *) pthread_self ()) != 0)
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{
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puts ("create failed");
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exit (1);
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}
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if (pthread_mutex_lock (&lock) != 0)
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{
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puts ("2nd lock failed");
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exit (1);
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}
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pthread_exit ((void *) 42);
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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