glibc/nptl/tst-mutexpp10.c

333 lines
6.9 KiB
C

/* Copyright (C) 2006-2024 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 <limits.h>
#include <pthread.h>
#include <sched.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "tst-tpp.h"
static int
do_test (void)
{
int ret = 0;
init_tpp_test ();
pthread_mutexattr_t ma;
if (pthread_mutexattr_init (&ma))
{
puts ("mutexattr_init failed");
return 1;
}
if (pthread_mutexattr_setprotocol (&ma, PTHREAD_PRIO_PROTECT))
{
puts ("mutexattr_setprotocol failed");
return 1;
}
int prioceiling;
if (pthread_mutexattr_getprioceiling (&ma, &prioceiling))
{
puts ("mutexattr_getprioceiling failed");
return 1;
}
if (prioceiling < fifo_min || prioceiling > fifo_max)
{
printf ("prioceiling %d not in %d..%d range\n",
prioceiling, fifo_min, fifo_max);
return 1;
}
if (fifo_max < INT_MAX
&& pthread_mutexattr_setprioceiling (&ma, fifo_max + 1) != EINVAL)
{
printf ("mutexattr_setprioceiling %d did not fail with EINVAL\n",
fifo_max + 1);
return 1;
}
if (fifo_min > 0
&& pthread_mutexattr_setprioceiling (&ma, fifo_min - 1) != EINVAL)
{
printf ("mutexattr_setprioceiling %d did not fail with EINVAL\n",
fifo_min - 1);
return 1;
}
if (pthread_mutexattr_setprioceiling (&ma, fifo_min))
{
puts ("mutexattr_setprioceiling failed");
return 1;
}
if (pthread_mutexattr_setprioceiling (&ma, fifo_max))
{
puts ("mutexattr_setprioceiling failed");
return 1;
}
if (pthread_mutexattr_setprioceiling (&ma, 6))
{
puts ("mutexattr_setprioceiling failed");
return 1;
}
if (pthread_mutexattr_getprioceiling (&ma, &prioceiling))
{
puts ("mutexattr_getprioceiling failed");
return 1;
}
if (prioceiling != 6)
{
printf ("mutexattr_getprioceiling returned %d != 6\n",
prioceiling);
return 1;
}
pthread_mutex_t m1, m2, m3;
int e = pthread_mutex_init (&m1, &ma);
if (e == ENOTSUP)
{
puts ("cannot support selected type of mutexes");
return 0;
}
else if (e != 0)
{
puts ("mutex_init failed");
return 1;
}
if (pthread_mutexattr_setprioceiling (&ma, 8))
{
puts ("mutexattr_setprioceiling failed");
return 1;
}
if (pthread_mutex_init (&m2, &ma))
{
puts ("mutex_init failed");
return 1;
}
if (pthread_mutexattr_setprioceiling (&ma, 5))
{
puts ("mutexattr_setprioceiling failed");
return 1;
}
if (pthread_mutex_init (&m3, &ma))
{
puts ("mutex_init failed");
return 1;
}
CHECK_TPP_PRIORITY (4, 4);
if (pthread_mutex_lock (&m1) != 0)
{
puts ("mutex_lock failed");
return 1;
}
CHECK_TPP_PRIORITY (4, 6);
if (pthread_mutex_trylock (&m2) != 0)
{
puts ("mutex_lock failed");
return 1;
}
CHECK_TPP_PRIORITY (4, 8);
if (pthread_mutex_lock (&m3) != 0)
{
puts ("mutex_lock failed");
return 1;
}
CHECK_TPP_PRIORITY (4, 8);
if (pthread_mutex_unlock (&m2) != 0)
{
puts ("mutex_unlock failed");
return 1;
}
CHECK_TPP_PRIORITY (4, 6);
if (pthread_mutex_unlock (&m1) != 0)
{
puts ("mutex_unlock failed");
return 1;
}
CHECK_TPP_PRIORITY (4, 5);
if (pthread_mutex_lock (&m2) != 0)
{
puts ("mutex_lock failed");
return 1;
}
CHECK_TPP_PRIORITY (4, 8);
if (pthread_mutex_unlock (&m2) != 0)
{
puts ("mutex_unlock failed");
return 1;
}
CHECK_TPP_PRIORITY (4, 5);
if (pthread_mutex_getprioceiling (&m1, &prioceiling))
{
puts ("mutex_getprioceiling m1 failed");
return 1;
}
else if (prioceiling != 6)
{
printf ("unexpected m1 prioceiling %d != 6\n", prioceiling);
return 1;
}
if (pthread_mutex_getprioceiling (&m2, &prioceiling))
{
puts ("mutex_getprioceiling m2 failed");
return 1;
}
else if (prioceiling != 8)
{
printf ("unexpected m2 prioceiling %d != 8\n", prioceiling);
return 1;
}
if (pthread_mutex_getprioceiling (&m3, &prioceiling))
{
puts ("mutex_getprioceiling m3 failed");
return 1;
}
else if (prioceiling != 5)
{
printf ("unexpected m3 prioceiling %d != 5\n", prioceiling);
return 1;
}
if (pthread_mutex_setprioceiling (&m1, 7, &prioceiling))
{
printf ("mutex_setprioceiling failed");
return 1;
}
else if (prioceiling != 6)
{
printf ("unexpected m1 old prioceiling %d != 6\n", prioceiling);
return 1;
}
if (pthread_mutex_getprioceiling (&m1, &prioceiling))
{
puts ("mutex_getprioceiling m1 failed");
return 1;
}
else if (prioceiling != 7)
{
printf ("unexpected m1 prioceiling %d != 7\n", prioceiling);
return 1;
}
CHECK_TPP_PRIORITY (4, 5);
if (pthread_mutex_unlock (&m3) != 0)
{
puts ("mutex_unlock failed");
return 1;
}
CHECK_TPP_PRIORITY (4, 4);
if (pthread_mutex_trylock (&m1) != 0)
{
puts ("mutex_lock failed");
return 1;
}
CHECK_TPP_PRIORITY (4, 7);
struct sched_param sp;
memset (&sp, 0, sizeof (sp));
sp.sched_priority = 8;
if (pthread_setschedparam (pthread_self (), SCHED_FIFO, &sp))
{
puts ("cannot set scheduling params");
return 1;
}
CHECK_TPP_PRIORITY (8, 8);
if (pthread_mutex_unlock (&m1) != 0)
{
puts ("mutex_unlock failed");
return 1;
}
CHECK_TPP_PRIORITY (8, 8);
if (pthread_mutex_lock (&m3) != EINVAL)
{
puts ("pthread_mutex_lock didn't fail with EINVAL");
return 1;
}
CHECK_TPP_PRIORITY (8, 8);
if (pthread_mutex_destroy (&m1) != 0)
{
puts ("mutex_destroy failed");
return 1;
}
if (pthread_mutex_destroy (&m2) != 0)
{
puts ("mutex_destroy failed");
return 1;
}
if (pthread_mutex_destroy (&m3) != 0)
{
puts ("mutex_destroy failed");
return 1;
}
if (pthread_mutexattr_destroy (&ma) != 0)
{
puts ("mutexattr_destroy failed");
return 1;
}
return ret;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"