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- /* 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, see
- <http://www.gnu.org/licenses/>. */
- #include <errno.h>
- #include <pthread.h>
- #include <stdio.h>
- #include <stdlib.h>
- static void *
- tf1 (void *arg)
- {
- pthread_join ((pthread_t) arg, NULL);
- puts ("1st join returned");
- return (void *) 1l;
- }
- static void *
- tf2 (void *arg)
- {
- int a;
- a = pthread_join ((pthread_t) arg, NULL);
- puts ("2nd join returned");
- printf("a = %i\n", a);
- return (void *) 1l;
- }
- static int
- do_test (void)
- {
- pthread_t th;
- int err = pthread_join (pthread_self (), NULL);
- if (err == 0)
- {
- puts ("1st circular join succeeded");
- exit (1);
- }
- if (err != EDEADLK)
- {
- printf ("1st circular join %d, not EDEADLK\n", err);
- exit (1);
- }
- if (pthread_create (&th, NULL, tf1, (void *) pthread_self ()) != 0)
- {
- puts ("1st create failed");
- exit (1);
- }
- if (pthread_cancel (th) != 0)
- {
- puts ("cannot cancel 1st thread");
- exit (1);
- }
- void *r;
- err = pthread_join (th, &r);
- if (err != 0)
- {
- printf ("cannot join 1st thread: %d\n", err);
- exit (1);
- }
- if (r != PTHREAD_CANCELED)
- {
- puts ("1st thread not canceled");
- exit (1);
- }
- err = pthread_join (pthread_self (), NULL);
- if (err == 0)
- {
- puts ("2nd circular join succeeded");
- exit (1);
- }
- if (err != EDEADLK)
- {
- printf ("2nd circular join %d, not EDEADLK\n", err);
- exit (1);
- }
- if (pthread_create (&th, NULL, tf2, (void *) pthread_self ()) != 0)
- {
- puts ("2nd create failed");
- exit (1);
- }
- if (pthread_cancel (th) != 0)
- {
- puts ("cannot cancel 2nd thread");
- exit (1);
- }
- if (pthread_join (th, &r) != 0)
- {
- puts ("cannot join 2nd thread");
- exit (1);
- }
- if (r != PTHREAD_CANCELED)
- {
- puts ("2nd thread not canceled");
- exit (1);
- }
- err = pthread_join (pthread_self (), NULL);
- if (err == 0)
- {
- puts ("2nd circular join succeeded");
- exit (1);
- }
- if (err != EDEADLK)
- {
- printf ("2nd circular join %d, not EDEADLK\n", err);
- exit (1);
- }
- exit (0);
- }
- #define TEST_FUNCTION do_test ()
- #include "../test-skeleton.c"
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