163 lines
3.6 KiB
C
163 lines
3.6 KiB
C
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
|
|
|
|
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 <time.h>
|
|
#include <unistd.h>
|
|
#include <sys/time.h>
|
|
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
pthread_mutex_t m;
|
|
struct timespec ts;
|
|
struct timeval tv;
|
|
struct timeval tv2;
|
|
int err;
|
|
|
|
if (pthread_mutex_init (&m, NULL) != 0)
|
|
{
|
|
puts ("mutex_init failed");
|
|
return 1;
|
|
}
|
|
|
|
if (pthread_mutex_lock (&m) != 0)
|
|
{
|
|
puts ("mutex_lock failed");
|
|
return 1;
|
|
}
|
|
|
|
if (pthread_mutex_trylock (&m) == 0)
|
|
{
|
|
puts ("mutex_trylock succeeded");
|
|
return 1;
|
|
}
|
|
|
|
gettimeofday (&tv, NULL);
|
|
TIMEVAL_TO_TIMESPEC (&tv, &ts);
|
|
|
|
ts.tv_sec += 2; /* Wait 2 seconds. */
|
|
|
|
err = pthread_mutex_timedlock (&m, &ts);
|
|
if (err == 0)
|
|
{
|
|
puts ("timedlock succeeded");
|
|
return 1;
|
|
}
|
|
else if (err != ETIMEDOUT)
|
|
{
|
|
printf ("timedlock error != ETIMEDOUT: %d\n", err);
|
|
return 1;
|
|
}
|
|
else
|
|
{
|
|
int clk_tck = sysconf (_SC_CLK_TCK);
|
|
|
|
gettimeofday (&tv2, NULL);
|
|
|
|
tv2.tv_sec -= tv.tv_sec;
|
|
tv2.tv_usec -= tv.tv_usec;
|
|
if (tv2.tv_usec < 0)
|
|
{
|
|
tv2.tv_usec += 1000000;
|
|
tv2.tv_sec -= 1;
|
|
}
|
|
|
|
/* Be a bit tolerant, add one CLK_TCK. */
|
|
tv2.tv_usec += 1000000 / clk_tck;
|
|
if (tv2.tv_usec >= 1000000)
|
|
{
|
|
tv2.tv_usec -= 1000000;
|
|
++tv2.tv_sec;
|
|
}
|
|
|
|
if (tv2.tv_sec < 2)
|
|
{
|
|
printf ("premature timeout: %ld.%06ld difference\n",
|
|
tv2.tv_sec, tv2.tv_usec);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
(void) gettimeofday (&tv, NULL);
|
|
TIMEVAL_TO_TIMESPEC (&tv, &ts);
|
|
|
|
ts.tv_sec += 2; /* Wait 2 seconds. */
|
|
/* The following makes the ts value invalid. */
|
|
ts.tv_nsec += 1000000000;
|
|
|
|
err = pthread_mutex_timedlock (&m, &ts);
|
|
if (err == 0)
|
|
{
|
|
puts ("2nd timedlock succeeded");
|
|
return 1;
|
|
}
|
|
else if (err != EINVAL)
|
|
{
|
|
printf ("2nd timedlock error != EINVAL: %d\n", err);
|
|
return 1;
|
|
}
|
|
|
|
if (pthread_mutex_unlock (&m) != 0)
|
|
{
|
|
puts ("mutex_unlock failed");
|
|
return 1;
|
|
}
|
|
|
|
(void) gettimeofday (&tv, NULL);
|
|
TIMEVAL_TO_TIMESPEC (&tv, &ts);
|
|
|
|
ts.tv_sec += 2; /* Wait 2 seconds. */
|
|
if (pthread_mutex_timedlock (&m, &ts) != 0)
|
|
{
|
|
puts ("3rd timedlock failed");
|
|
}
|
|
|
|
(void) gettimeofday (&tv2, NULL);
|
|
|
|
/* Check that timedlock didn't delay. We use a limit of 0.1 secs. */
|
|
timersub (&tv2, &tv, &tv2);
|
|
if (tv2.tv_sec > 0 || tv2.tv_usec > 100000)
|
|
{
|
|
puts ("3rd timedlock didn't return right away");
|
|
return 1;
|
|
}
|
|
|
|
if (pthread_mutex_unlock (&m) != 0)
|
|
{
|
|
puts ("final mutex_unlock failed");
|
|
return 1;
|
|
}
|
|
|
|
if (pthread_mutex_destroy (&m) != 0)
|
|
{
|
|
puts ("mutex_destroy failed");
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define TIMEOUT 4
|
|
#define TEST_FUNCTION do_test ()
|
|
#include "../test-skeleton.c"
|