glibc/nptl/tst-robust1.c

246 lines
5.0 KiB
C
Raw Normal View History

/* Copyright (C) 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.
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 <stdio.h>
#include <stdlib.h>
static pthread_mutex_t m;
static pthread_barrier_t b;
#ifndef LOCK
# define LOCK(m) pthread_mutex_lock (m)
#endif
static void *
tf (void *arg)
{
long int round = (long int) arg;
if (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) != 0)
{
printf ("%ld: setcancelstate failed\n", round);
exit (1);
}
int e = LOCK (&m);
if (e != 0)
{
printf ("%ld: child: mutex_lock failed with error %d\n", round, e);
exit (1);
}
e = pthread_barrier_wait (&b);
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%ld: child: 1st barrier_wait failed\n", round);
exit (1);
}
e = pthread_barrier_wait (&b);
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%ld: child: 2nd barrier_wait failed\n", round);
exit (1);
}
pthread_testcancel ();
printf ("%ld: testcancel returned\n", round);
exit (1);
}
static int
do_test (void)
{
#ifdef PREPARE_TMO
PREPARE_TMO;
#endif
pthread_mutexattr_t a;
if (pthread_mutexattr_init (&a) != 0)
{
puts ("mutexattr_init failed");
return 1;
}
if (pthread_mutexattr_setrobust_np (&a, PTHREAD_MUTEX_ROBUST_NP) != 0)
{
puts ("mutexattr_setrobust failed");
return 1;
}
#ifndef NOT_CONSISTENT
if (pthread_mutex_init (&m, &a) != 0)
{
puts ("mutex_init failed");
return 1;
}
#endif
if (pthread_barrier_init (&b, NULL, 2) != 0)
{
puts ("barrier_init failed");
return 1;
}
for (long int round = 1; round < 5; ++round)
{
#ifdef NOT_CONSISTENT
if (pthread_mutex_init (&m, &a) != 0)
{
puts ("mutex_init failed");
return 1;
}
#endif
pthread_t th;
if (pthread_create (&th, NULL, tf, (void *) round) != 0)
{
printf ("%ld: create failed\n", round);
return 1;
}
int e = pthread_barrier_wait (&b);
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%ld: parent: 1st barrier_wait failed\n", round);
return 1;
}
if (pthread_cancel (th) != 0)
{
printf ("%ld: cancel failed\n", round);
return 1;
}
e = pthread_barrier_wait (&b);
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%ld: parent: 2nd barrier_wait failed\n", round);
return 1;
}
#ifndef AFTER_JOIN
if (round & 1)
#endif
{
void *res;
if (pthread_join (th, &res) != 0)
{
printf ("%ld: join failed\n", round);
return 1;
}
if (res != PTHREAD_CANCELED)
{
printf ("%ld: thread not canceled\n", round);
return 1;
}
}
e = LOCK (&m);
if (e == 0)
{
printf ("%ld: parent: mutex_lock succeeded\n", round);
return 1;
}
if (e != EOWNERDEAD)
{
printf ("%ld: parent: mutex_lock returned wrong code\n", round);
return 1;
}
#ifndef AFTER_JOIN
if ((round & 1) == 0)
{
void *res;
if (pthread_join (th, &res) != 0)
{
printf ("%ld: join failed\n", round);
return 1;
}
if (res != PTHREAD_CANCELED)
{
printf ("%ld: thread not canceled\n", round);
return 1;
}
}
#endif
#ifndef NOT_CONSISTENT
e = pthread_mutex_consistent_np (&m);
if (e != 0)
{
printf ("%ld: mutex_consistent failed with error %d\n", round, e);
return 1;
}
#endif
e = pthread_mutex_unlock (&m);
if (e != 0)
{
printf ("%ld: mutex_unlocked failed\n", round);
return 1;
}
#ifdef NOT_CONSISTENT
e = LOCK (&m);
if (e == 0)
{
printf ("%ld: locking inconsistent mutex succeeded\n", round);
return 1;
}
if (e != ENOTRECOVERABLE)
{
printf ("%ld: locking inconsistent mutex failed with error %d\n",
round, e);
return 1;
}
if (pthread_mutex_destroy (&m) != 0)
{
puts ("mutex_destroy failed");
return 1;
}
#endif
}
#ifndef NOT_CONSISTENT
if (pthread_mutex_destroy (&m) != 0)
{
puts ("mutex_destroy failed");
return 1;
}
#endif
if (pthread_mutexattr_destroy (&a) != 0)
{
puts ("mutexattr_destroy failed");
return 1;
}
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"