142 lines
2.9 KiB
C
142 lines
2.9 KiB
C
/* Copyright (C) 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <errno.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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static void *
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tf1 (void *arg)
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{
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pthread_join ((pthread_t) arg, NULL);
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puts ("1st join returned");
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return (void *) 1l;
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}
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static void *
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tf2 (void *arg)
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{
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pthread_join ((pthread_t) arg, NULL);
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puts ("2nd join returned");
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return (void *) 1l;
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}
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static int
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do_test (void)
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{
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pthread_t th;
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int err = pthread_join (pthread_self (), NULL);
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if (err == 0)
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{
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puts ("1st circular join succeeded");
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exit (1);
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}
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if (err != EDEADLK)
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{
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printf ("1st circular join %d, not EDEADLK\n", err);
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exit (1);
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}
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if (pthread_create (&th, NULL, tf1, (void *) pthread_self ()) != 0)
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{
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puts ("1st create failed");
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exit (1);
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}
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if (pthread_cancel (th) != 0)
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{
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puts ("cannot cancel 1st thread");
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exit (1);
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}
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void *r;
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err = pthread_join (th, &r);
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if (err != 0)
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{
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printf ("cannot join 1st thread: %d\n", err);
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exit (1);
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}
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if (r != PTHREAD_CANCELED)
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{
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puts ("1st thread not canceled");
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exit (1);
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}
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err = pthread_join (pthread_self (), NULL);
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if (err == 0)
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{
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puts ("2nd circular join succeeded");
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exit (1);
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}
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if (err != EDEADLK)
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{
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printf ("2nd circular join %d, not EDEADLK\n", err);
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exit (1);
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}
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if (pthread_create (&th, NULL, tf2, (void *) pthread_self ()) != 0)
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{
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puts ("2nd create failed");
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exit (1);
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}
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if (pthread_cancel (th) != 0)
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{
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puts ("cannot cancel 2nd thread");
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exit (1);
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}
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if (pthread_join (th, &r) != 0)
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{
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puts ("cannot join 2nd thread");
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exit (1);
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}
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if (r != PTHREAD_CANCELED)
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{
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puts ("2nd thread not canceled");
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exit (1);
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}
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err = pthread_join (pthread_self (), NULL);
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if (err == 0)
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{
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puts ("2nd circular join succeeded");
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exit (1);
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}
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if (err != EDEADLK)
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{
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printf ("2nd circular join %d, not EDEADLK\n", err);
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exit (1);
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}
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exit (0);
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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