120 lines
2.4 KiB
C
120 lines
2.4 KiB
C
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/* 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 <stdint.h>
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#include <stdlib.h>
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#include <unistd.h>
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#define N 20
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static pthread_t th[N];
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static pthread_mutex_t lock[N];
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static void *tf (void *a)
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{
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uintptr_t idx = (uintptr_t) a;
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pthread_mutex_lock (&lock[idx]);
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return pthread_equal (pthread_self (), th[idx]) ? NULL : (void *) 1l;
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}
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int
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do_test (void)
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{
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if (pthread_equal (pthread_self (), pthread_self ()) == 0)
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{
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puts ("pthread_equal (pthread_self (), pthread_self ()) failed");
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exit (1);
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}
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pthread_attr_t at;
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if (pthread_attr_init (&at) != 0)
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{
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puts ("attr_init failed");
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return 1;
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}
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if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0)
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{
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puts ("attr_setstacksize failed");
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return 1;
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}
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int i;
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for (i = 0; i < N; ++i)
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{
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if (pthread_mutex_init (&lock[i], NULL) != 0)
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{
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puts ("mutex_init failed");
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exit (1);
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}
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if (pthread_mutex_lock (&lock[i]) != 0)
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{
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puts ("mutex_lock failed");
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exit (1);
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}
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if (pthread_create (&th[i], &at, tf, (void *) (long int) i) != 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_unlock (&lock[i]) != 0)
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{
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puts ("mutex_unlock failed");
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exit (1);
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}
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printf ("created thread %d\n", i);
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}
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if (pthread_attr_destroy (&at) != 0)
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{
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puts ("attr_destroy failed");
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return 1;
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}
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int result = 0;
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for (i = 0; i < N; ++i)
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{
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void *r;
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int e;
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if ((e = pthread_join (th[i], &r)) != 0)
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{
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printf ("join failed: %d\n", e);
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_exit (1);
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}
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else if (r != NULL)
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result = 1;
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}
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return result;
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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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