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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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