| /* Copyright (C) 2003 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. |
| |
| 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. */ |
| |
| #include <errno.h> |
| #include <pthread.h> |
| #include <semaphore.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| |
| |
| static pthread_barrier_t bar; |
| static sem_t sem; |
| |
| |
| static void |
| cleanup (void *arg) |
| { |
| static int ncall; |
| |
| if (++ncall != 1) |
| { |
| puts ("second call to cleanup"); |
| exit (1); |
| } |
| |
| printf ("cleanup call #%d\n", ncall); |
| } |
| |
| |
| static void * |
| tf (void *arg) |
| { |
| pthread_cleanup_push (cleanup, NULL); |
| |
| int e = pthread_barrier_wait (&bar); |
| if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) |
| { |
| puts ("tf: 1st barrier_wait failed"); |
| exit (1); |
| } |
| |
| /* This call should block and be cancelable. */ |
| sem_wait (&sem); |
| |
| pthread_cleanup_pop (0); |
| |
| puts ("sem_wait returned"); |
| |
| return NULL; |
| } |
| |
| |
| static int |
| do_test (void) |
| { |
| pthread_t th; |
| |
| if (pthread_barrier_init (&bar, NULL, 2) != 0) |
| { |
| puts ("barrier_init failed"); |
| exit (1); |
| } |
| |
| if (sem_init (&sem, 0, 0) != 0) |
| { |
| puts ("sem_init failed"); |
| exit (1); |
| } |
| |
| if (pthread_create (&th, NULL, tf, NULL) != 0) |
| { |
| puts ("create failed"); |
| exit (1); |
| } |
| |
| int e = pthread_barrier_wait (&bar); |
| if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) |
| { |
| puts ("1st barrier_wait failed"); |
| exit (1); |
| } |
| |
| /* Give the child a chance to go to sleep in sem_wait. */ |
| sleep (1); |
| |
| /* Check whether cancellation is honored when waiting in sem_wait. */ |
| if (pthread_cancel (th) != 0) |
| { |
| puts ("1st cancel failed"); |
| exit (1); |
| } |
| |
| void *r; |
| if (pthread_join (th, &r) != 0) |
| { |
| puts ("join failed"); |
| exit (1); |
| } |
| |
| if (r != PTHREAD_CANCELED) |
| { |
| puts ("thread not canceled"); |
| exit (1); |
| } |
| |
| return 0; |
| } |
| |
| |
| #define TEST_FUNCTION do_test () |
| #include "../test-skeleton.c" |