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103 lines
2.1 KiB
C
103 lines
2.1 KiB
C
/* Copyright (C) 2002-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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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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#include <time.h>
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#define N 100
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static pthread_once_t once = PTHREAD_ONCE_INIT;
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static int global;
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static void
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once_handler (void)
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{
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struct timespec ts;
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++global;
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ts.tv_sec = 2;
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ts.tv_nsec = 0;
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nanosleep (&ts, NULL);
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}
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static void *
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tf (void *arg)
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{
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pthread_once (&once, once_handler);
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if (global != 1)
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{
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printf ("thread %ld: global == %d\n", (long int) arg, global);
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exit (1);
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}
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return NULL;
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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_attr_t at;
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pthread_t th[N];
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int cnt;
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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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for (cnt = 0; cnt < N; ++cnt)
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if (pthread_create (&th[cnt], &at, tf, (void *) (long int) cnt) != 0)
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{
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printf ("creation of thread %d failed\n", cnt);
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return 1;
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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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for (cnt = 0; cnt < N; ++cnt)
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if (pthread_join (th[cnt], NULL) != 0)
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{
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printf ("join of thread %d failed\n", cnt);
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return 1;
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}
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return 0;
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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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