/* 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"