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- /* Copyright (C) 2003, 2004 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, see
- <http://www.gnu.org/licenses/>. */
- #include <fcntl.h>
- #include <pthread.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <unistd.h>
- static pthread_barrier_t b;
- static void
- cleanup (void *arg)
- {
- fputs ("in cleanup\n", stdout);
- }
- static void *
- tf (void *arg)
- {
- int fd = open ("/dev/null", O_RDWR);
- if (fd == -1)
- {
- puts ("cannot open /dev/null");
- exit (1);
- }
- FILE *fp = fdopen (fd, "w");
- if (fp == NULL)
- {
- puts ("fdopen failed");
- exit (1);
- }
- pthread_cleanup_push (cleanup, NULL);
- int e = pthread_barrier_wait (&b);
- if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
- {
- puts ("barrier_wait failed");
- exit (1);
- }
- while (1)
- /* fprintf() uses write() which is a cancallation point. */
- fprintf (fp, "foo");
- pthread_cleanup_pop (0);
- return NULL;
- }
- static int
- do_test (void)
- {
- if (pthread_barrier_init (&b, NULL, 2) != 0)
- {
- puts ("barrier_init failed");
- exit (1);
- }
- pthread_t th;
- if (pthread_create (&th, NULL, tf, NULL) != 0)
- {
- puts ("create failed");
- return 1;
- }
- int e = pthread_barrier_wait (&b);
- if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
- {
- puts ("barrier_wait failed");
- exit (1);
- }
- sleep (1);
- puts ("cancel now");
- if (pthread_cancel (th) != 0)
- {
- puts ("cancel failed");
- exit (1);
- }
- puts ("waiting for the child");
- void *r;
- if (pthread_join (th, &r) != 0)
- {
- puts ("join failed");
- exit (1);
- }
- if (r != PTHREAD_CANCELED)
- {
- puts ("thread wasn't canceled");
- exit (1);
- }
- return 0;
- }
- #define TEST_FUNCTION do_test ()
- #include "../test-skeleton.c"
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