| /* 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, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| /* This is a test for behavior not guaranteed by POSIX. */ |
| #include <errno.h> |
| #include <pthread.h> |
| #include <stdio.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" |