blob: 686f0b9d300cceb7b5c6321d4230e7418280b2a1 [file] [log] [blame]
/* Copyright (C) 2003-2014 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/>. */
/* This test checks behavior not required by POSIX. */
#include <errno.h>
#include <pthread.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
static pthread_mutex_t *m;
static pthread_barrier_t b;
static pthread_cond_t c;
static bool done;
static void
cl (void *arg)
{
if (pthread_mutex_unlock (m) != 0)
{
puts ("cl: mutex_unlocked failed");
exit (1);
}
}
static void *
tf (void *arg)
{
if (pthread_mutex_lock (m) != 0)
{
puts ("tf: mutex_lock failed");
return (void *) 1l;
}
int e = pthread_barrier_wait (&b);
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
{
puts ("barrier_wait failed");
return (void *) 1l;
}
if (arg == NULL)
do
if (pthread_cond_wait (&c, m) != 0)
{
puts ("tf: cond_wait failed");
return (void *) 1l;
}
while (! done);
else
do
{
pthread_cleanup_push (cl, NULL);
if (pthread_cond_wait (&c, m) != 0)
{
puts ("tf: cond_wait failed");
return (void *) 1l;
}
pthread_cleanup_pop (0);
}
while (! done);
if (pthread_mutex_unlock (m) != 0)
{
puts ("tf: mutex_unlock failed");
return (void *) 1l;
}
return NULL;
}
static int
check_type (const char *mas, pthread_mutexattr_t *ma)
{
int e;
e = pthread_mutex_init (m, ma);
if (e != 0)
{
#ifdef ENABLE_PI
if (e == ENOTSUP)
{
puts ("PI mutexes unsupported");
return 0;
}
#endif
printf ("1st mutex_init failed for %s\n", mas);
return 1;
}
if (pthread_mutex_destroy (m) != 0)
{
printf ("immediate mutex_destroy failed for %s\n", mas);
return 1;
}
if (pthread_mutex_init (m, ma) != 0)
{
printf ("2nd mutex_init failed for %s\n", mas);
return 1;
}
if (pthread_mutex_lock (m) != 0)
{
printf ("1st mutex_lock failed for %s\n", mas);
return 1;
}
/* Elided mutexes don't fail destroy. If elision is not explicitly disabled
we don't know, so can also not check this. */
#ifndef ENABLE_LOCK_ELISION
e = pthread_mutex_destroy (m);
if (e == 0)
{
printf ("mutex_destroy of self-locked mutex succeeded for %s\n", mas);
return 1;
}
if (e != EBUSY)
{
printf ("mutex_destroy of self-locked mutex did not return EBUSY %s\n",
mas);
return 1;
}
#endif
if (pthread_mutex_unlock (m) != 0)
{
printf ("1st mutex_unlock failed for %s\n", mas);
return 1;
}
if (pthread_mutex_trylock (m) != 0)
{
printf ("mutex_trylock failed for %s\n", mas);
return 1;
}
/* Elided mutexes don't fail destroy. */
#ifndef ENABLE_LOCK_ELISION
e = pthread_mutex_destroy (m);
if (e == 0)
{
printf ("mutex_destroy of self-trylocked mutex succeeded for %s\n", mas);
return 1;
}
if (e != EBUSY)
{
printf ("\
mutex_destroy of self-trylocked mutex did not return EBUSY %s\n",
mas);
return 1;
}
#endif
if (pthread_mutex_unlock (m) != 0)
{
printf ("2nd mutex_unlock failed for %s\n", mas);
return 1;
}
pthread_t th;
if (pthread_create (&th, NULL, tf, NULL) != 0)
{
puts ("1st create failed");
return 1;
}
done = false;
e = pthread_barrier_wait (&b);
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
{
puts ("1st barrier_wait failed");
return 1;
}
if (pthread_mutex_lock (m) != 0)
{
printf ("2nd mutex_lock failed for %s\n", mas);
return 1;
}
if (pthread_mutex_unlock (m) != 0)
{
printf ("3rd mutex_unlock failed for %s\n", mas);
return 1;
}
/* Elided mutexes don't fail destroy. */
#ifndef ENABLE_LOCK_ELISION
e = pthread_mutex_destroy (m);
if (e == 0)
{
printf ("mutex_destroy of condvar-used mutex succeeded for %s\n", mas);
return 1;
}
if (e != EBUSY)
{
printf ("\
mutex_destroy of condvar-used mutex did not return EBUSY for %s\n", mas);
return 1;
}
#endif
done = true;
if (pthread_cond_signal (&c) != 0)
{
puts ("cond_signal failed");
return 1;
}
void *r;
if (pthread_join (th, &r) != 0)
{
puts ("join failed");
return 1;
}
if (r != NULL)
{
puts ("thread didn't return NULL");
return 1;
}
if (pthread_mutex_destroy (m) != 0)
{
printf ("mutex_destroy after condvar-use failed for %s\n", mas);
return 1;
}
if (pthread_mutex_init (m, ma) != 0)
{
printf ("3rd mutex_init failed for %s\n", mas);
return 1;
}
if (pthread_create (&th, NULL, tf, (void *) 1) != 0)
{
puts ("2nd create failed");
return 1;
}
done = false;
e = pthread_barrier_wait (&b);
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
{
puts ("2nd barrier_wait failed");
return 1;
}
if (pthread_mutex_lock (m) != 0)
{
printf ("3rd mutex_lock failed for %s\n", mas);
return 1;
}
if (pthread_mutex_unlock (m) != 0)
{
printf ("4th mutex_unlock failed for %s\n", mas);
return 1;
}
/* Elided mutexes don't fail destroy. */
#ifndef ENABLE_LOCK_ELISION
e = pthread_mutex_destroy (m);
if (e == 0)
{
printf ("2nd mutex_destroy of condvar-used mutex succeeded for %s\n",
mas);
return 1;
}
if (e != EBUSY)
{
printf ("\
2nd mutex_destroy of condvar-used mutex did not return EBUSY for %s\n",
mas);
return 1;
}
#endif
if (pthread_cancel (th) != 0)
{
puts ("cond_cancel failed");
return 1;
}
if (pthread_join (th, &r) != 0)
{
puts ("join failed");
return 1;
}
if (r != PTHREAD_CANCELED)
{
puts ("thread not canceled");
return 1;
}
if (pthread_mutex_destroy (m) != 0)
{
printf ("mutex_destroy after condvar-canceled failed for %s\n", mas);
return 1;
}
return 0;
}
static int
do_test (void)
{
pthread_mutex_t mm;
m = &mm;
if (pthread_barrier_init (&b, NULL, 2) != 0)
{
puts ("barrier_init failed");
return 1;
}
if (pthread_cond_init (&c, NULL) != 0)
{
puts ("cond_init failed");
return 1;
}
puts ("check normal mutex");
int res = check_type ("normal", NULL);
pthread_mutexattr_t ma;
if (pthread_mutexattr_init (&ma) != 0)
{
puts ("1st mutexattr_init failed");
return 1;
}
if (pthread_mutexattr_settype (&ma, PTHREAD_MUTEX_RECURSIVE) != 0)
{
puts ("1st mutexattr_settype failed");
return 1;
}
#ifdef ENABLE_PI
if (pthread_mutexattr_setprotocol (&ma, PTHREAD_PRIO_INHERIT))
{
puts ("1st pthread_mutexattr_setprotocol failed");
return 1;
}
#endif
puts ("check recursive mutex");
res |= check_type ("recursive", &ma);
if (pthread_mutexattr_destroy (&ma) != 0)
{
puts ("1st mutexattr_destroy failed");
return 1;
}
if (pthread_mutexattr_init (&ma) != 0)
{
puts ("2nd mutexattr_init failed");
return 1;
}
if (pthread_mutexattr_settype (&ma, PTHREAD_MUTEX_ERRORCHECK) != 0)
{
puts ("2nd mutexattr_settype failed");
return 1;
}
#ifdef ENABLE_PI
if (pthread_mutexattr_setprotocol (&ma, PTHREAD_PRIO_INHERIT))
{
puts ("2nd pthread_mutexattr_setprotocol failed");
return 1;
}
#endif
puts ("check error-checking mutex");
res |= check_type ("error-checking", &ma);
if (pthread_mutexattr_destroy (&ma) != 0)
{
puts ("2nd mutexattr_destroy failed");
return 1;
}
return res;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"