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/* Copyright (C) 2003-2017 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/>. */
#include <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <time.h>
#include <unistd.h>
#if defined _POSIX_CLOCK_SELECTION && _POSIX_CLOCK_SELECTION >= 0
static int
run_test (clockid_t cl)
{
pthread_condattr_t condattr;
pthread_cond_t cond;
pthread_mutexattr_t mutattr;
pthread_mutex_t mut;
printf ("clock = %d\n", (int) cl);
if (pthread_condattr_init (&condattr) != 0)
{
puts ("condattr_init failed");
return 1;
}
if (pthread_condattr_setclock (&condattr, cl) != 0)
{
puts ("condattr_setclock failed");
return 1;
}
clockid_t cl2;
if (pthread_condattr_getclock (&condattr, &cl2) != 0)
{
puts ("condattr_getclock failed");
return 1;
}
if (cl != cl2)
{
printf ("condattr_getclock returned wrong value: %d, expected %d\n",
(int) cl2, (int) cl);
return 1;
}
if (pthread_cond_init (&cond, &condattr) != 0)
{
puts ("cond_init failed");
return 1;
}
if (pthread_condattr_destroy (&condattr) != 0)
{
puts ("condattr_destroy failed");
return 1;
}
if (pthread_mutexattr_init (&mutattr) != 0)
{
puts ("mutexattr_init failed");
return 1;
}
if (pthread_mutexattr_settype (&mutattr, PTHREAD_MUTEX_ERRORCHECK) != 0)
{
puts ("mutexattr_settype failed");
return 1;
}
if (pthread_mutex_init (&mut, &mutattr) != 0)
{
puts ("mutex_init failed");
return 1;
}
if (pthread_mutexattr_destroy (&mutattr) != 0)
{
puts ("mutexattr_destroy failed");
return 1;
}
if (pthread_mutex_lock (&mut) != 0)
{
puts ("mutex_lock failed");
return 1;
}
if (pthread_mutex_lock (&mut) != EDEADLK)
{
puts ("2nd mutex_lock did not return EDEADLK");
return 1;
}
struct timespec ts;
if (clock_gettime (cl, &ts) != 0)
{
puts ("clock_gettime failed");
return 1;
}
/* Wait one second. */
++ts.tv_sec;
int e = pthread_cond_timedwait (&cond, &mut, &ts);
if (e == 0)
{
puts ("cond_timedwait succeeded");
return 1;
}
else if (e != ETIMEDOUT)
{
puts ("cond_timedwait did not return ETIMEDOUT");
return 1;
}
struct timespec ts2;
if (clock_gettime (cl, &ts2) != 0)
{
puts ("second clock_gettime failed");
return 1;
}
if (ts2.tv_sec < ts.tv_sec
|| (ts2.tv_sec == ts.tv_sec && ts2.tv_nsec < ts.tv_nsec))
{
puts ("timeout too short");
return 1;
}
if (pthread_mutex_unlock (&mut) != 0)
{
puts ("mutex_unlock failed");
return 1;
}
if (pthread_mutex_destroy (&mut) != 0)
{
puts ("mutex_destroy failed");
return 1;
}
if (pthread_cond_destroy (&cond) != 0)
{
puts ("cond_destroy failed");
return 1;
}
return 0;
}
#endif
static int
do_test (void)
{
#if !defined _POSIX_CLOCK_SELECTION || _POSIX_CLOCK_SELECTION == -1
puts ("_POSIX_CLOCK_SELECTION not supported, test skipped");
return 0;
#else
int res = run_test (CLOCK_REALTIME);
# if defined _POSIX_MONOTONIC_CLOCK && _POSIX_MONOTONIC_CLOCK >= 0
# if _POSIX_MONOTONIC_CLOCK == 0
int e = sysconf (_SC_MONOTONIC_CLOCK);
if (e < 0)
puts ("CLOCK_MONOTONIC not supported");
else if (e == 0)
{
puts ("sysconf (_SC_MONOTONIC_CLOCK) must not return 0");
res = 1;
}
else
# endif
res |= run_test (CLOCK_MONOTONIC);
# else
puts ("_POSIX_MONOTONIC_CLOCK not defined");
# endif
return res;
#endif
}
#define TIMEOUT 3
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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