98 lines
2.2 KiB
C
98 lines
2.2 KiB
C
/* Copyright (C) 2002 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, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <pthread.h>
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#include <stdio.h>
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#include <time.h>
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static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
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#define ROUNDS 1000
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#define N 100
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static void *
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tf (void *arg)
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{
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int nr = (long int) arg;
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int cnt;
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struct timespec ts = { .tv_sec = 0, .tv_nsec = 11000 };
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for (cnt = 0; cnt < ROUNDS; ++cnt)
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{
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if (pthread_mutex_lock (&lock) != 0)
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{
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printf ("thread %d: failed to get the lock\n", nr);
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return (void *) 1l;
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}
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if (pthread_mutex_unlock (&lock) != 0)
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{
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printf ("thread %d: failed to release the lock\n", nr);
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return (void *) 1l;
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}
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nanosleep (&ts, NULL);
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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_t th[N];
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int cnt;
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if (pthread_mutex_lock (&lock) != 0)
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{
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puts ("locking in parent 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], NULL, tf, (void *) (long int) cnt) != 0)
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{
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printf ("creating thread %d failed\n", cnt);
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return 1;
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}
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if (pthread_mutex_unlock (&lock) != 0)
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{
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puts ("unlocking in parent 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 ("joining 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 TIMEOUT 60
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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