/* 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> #include <sys/time.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) { int e; pthread_cleanup_push (cleanup, NULL); e = pthread_barrier_wait (&bar); if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) { puts ("tf: 1st barrier_wait failed"); exit (1); } struct timeval tv; (void) gettimeofday (&tv, NULL); struct timespec ts; TIMEVAL_TO_TIMESPEC (&tv, &ts); /* Timeout in 5 seconds. */ ts.tv_sec += 5; /* This call should block and be cancelable. */ errno = 0; e = sem_timedwait (&sem, &ts); pthread_cleanup_pop (0); printf ("sem_timedwait returned, e = %d, errno = %d\n", e, errno); 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_timedwait. */ 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"