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/* Copyright (C) 2005-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
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
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
static pthread_mutex_t m1;
static pthread_mutex_t m2;
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 (&m1);
if (e != 0)
{
printf ("%ld: child: mutex_lock m1 failed with error %d\n", round, e);
exit (1);
}
e = LOCK (&m2);
if (e != 0)
{
printf ("%ld: child: mutex_lock m2 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 (&a, PTHREAD_MUTEX_ROBUST_NP) != 0)
{
puts ("mutexattr_setrobust failed");
return 1;
}
#ifdef ENABLE_PI
if (pthread_mutexattr_setprotocol (&a, PTHREAD_PRIO_INHERIT) != 0)
{
puts ("pthread_mutexattr_setprotocol failed");
return 1;
}
else
{
int e = pthread_mutex_init (&m1, &a);
if (e == ENOTSUP)
{
puts ("PI robust mutexes not supported");
return 0;
}
else if (e != 0)
{
puts ("mutex_init m1 failed");
return 1;
}
pthread_mutex_destroy (&m1);
}
#endif
#ifndef NOT_CONSISTENT
if (pthread_mutex_init (&m1, &a) != 0)
{
puts ("mutex_init m1 failed");
return 1;
}
if (pthread_mutex_init (&m2, &a) != 0)
{
puts ("mutex_init m2 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 (&m1 , &a) != 0)
{
puts ("mutex_init m1 failed");
return 1;
}
if (pthread_mutex_init (&m2 , &a) != 0)
{
puts ("mutex_init m2 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 (&m1);
if (e == 0)
{
printf ("%ld: parent: mutex_lock m1 succeeded\n", round);
return 1;
}
if (e != EOWNERDEAD)
{
printf ("%ld: parent: mutex_lock m1 returned wrong code\n", round);
return 1;
}
e = LOCK (&m2);
if (e == 0)
{
printf ("%ld: parent: mutex_lock m2 succeeded\n", round);
return 1;
}
if (e != EOWNERDEAD)
{
printf ("%ld: parent: mutex_lock m2 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 (&m1);
if (e != 0)
{
printf ("%ld: mutex_consistent m1 failed with error %d\n", round, e);
return 1;
}
e = pthread_mutex_consistent (&m2);
if (e != 0)
{
printf ("%ld: mutex_consistent m2 failed with error %d\n", round, e);
return 1;
}
#endif
e = pthread_mutex_unlock (&m1);
if (e != 0)
{
printf ("%ld: mutex_unlock m1 failed with %d\n", round, e);
return 1;
}
e = pthread_mutex_unlock (&m2);
if (e != 0)
{
printf ("%ld: mutex_unlock m2 failed with %d\n", round, e);
return 1;
}
#ifdef NOT_CONSISTENT
e = LOCK (&m1);
if (e == 0)
{
printf ("%ld: locking inconsistent mutex m1 succeeded\n", round);
return 1;
}
if (e != ENOTRECOVERABLE)
{
printf ("%ld: locking inconsistent mutex m1 failed with error %d\n",
round, e);
return 1;
}
if (pthread_mutex_destroy (&m1) != 0)
{
puts ("mutex_destroy m1 failed");
return 1;
}
e = LOCK (&m2);
if (e == 0)
{
printf ("%ld: locking inconsistent mutex m2 succeeded\n", round);
return 1;
}
if (e != ENOTRECOVERABLE)
{
printf ("%ld: locking inconsistent mutex m2 failed with error %d\n",
round, e);
return 1;
}
if (pthread_mutex_destroy (&m2) != 0)
{
puts ("mutex_destroy m2 failed");
return 1;
}
#endif
}
#ifndef NOT_CONSISTENT
if (pthread_mutex_destroy (&m1) != 0)
{
puts ("mutex_destroy m1 failed");
return 1;
}
if (pthread_mutex_destroy (&m2) != 0)
{
puts ("mutex_destroy m2 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"
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