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- /* Copyright (C) 2004 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
- The GNU C Library 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
- Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
- /* This is a test for behavior not guaranteed by POSIX. */
- #include <errno.h>
- #include <pthread.h>
- #include <stdio.h>
- #include <stdlib.h>
- static pthread_barrier_t b1;
- static pthread_barrier_t b2;
- #define N 20
- static void *
- tf (void *arg)
- {
- int round = 0;
- while (round++ < 30)
- {
- if (pthread_barrier_wait (&b1) == PTHREAD_BARRIER_SERIAL_THREAD)
- {
- pthread_barrier_destroy (&b1);
- if (pthread_barrier_init (&b1, NULL, N) != 0)
- {
- puts ("tf: 1st barrier_init failed");
- exit (1);
- }
- }
- if (pthread_barrier_wait (&b2) == PTHREAD_BARRIER_SERIAL_THREAD)
- {
- pthread_barrier_destroy (&b2);
- if (pthread_barrier_init (&b2, NULL, N) != 0)
- {
- puts ("tf: 2nd barrier_init failed");
- exit (1);
- }
- }
- }
- return NULL;
- }
- static int
- do_test (void)
- {
- pthread_attr_t at;
- int cnt;
- if (pthread_attr_init (&at) != 0)
- {
- puts ("attr_init failed");
- return 1;
- }
- if (pthread_attr_setstacksize (&at, 1 * 1024 * 1024) != 0)
- {
- puts ("attr_setstacksize failed");
- return 1;
- }
- if (pthread_barrier_init (&b1, NULL, N) != 0)
- {
- puts ("1st barrier_init failed");
- return 1;
- }
- if (pthread_barrier_init (&b2, NULL, N) != 0)
- {
- puts ("2nd barrier_init failed");
- return 1;
- }
- pthread_t th[N - 1];
- for (cnt = 0; cnt < N - 1; ++cnt)
- if (pthread_create (&th[cnt], &at, tf, NULL) != 0)
- {
- puts ("pthread_create failed");
- return 1;
- }
- if (pthread_attr_destroy (&at) != 0)
- {
- puts ("attr_destroy failed");
- return 1;
- }
- tf (NULL);
- for (cnt = 0; cnt < N - 1; ++cnt)
- if (pthread_join (th[cnt], NULL) != 0)
- {
- puts ("pthread_join failed");
- return 1;
- }
- return 0;
- }
- #define TEST_FUNCTION do_test ()
- #include "../test-skeleton.c"
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