/* Copyright (C) 2004-2024 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 <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>


static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER;


static int
do_test (void)
{
  int result = 0;
  struct timespec ts;

  if (clock_gettime (CLOCK_REALTIME, &ts) != 0)
    {
      puts ("clock_gettime failed");
      return 1;
    }

  ts.tv_nsec = -1;

  int e = pthread_cond_timedwait (&cond, &mut, &ts);
  if (e == 0)
    {
      puts ("first cond_timedwait did not fail");
      result = 1;
    }
  else if (e != EINVAL)
    {
      puts ("first cond_timedwait did not return EINVAL");
      result = 1;
    }

  ts.tv_nsec = 2000000000;

  e = pthread_cond_timedwait (&cond, &mut, &ts);
  if (e == 0)
    {
      puts ("second cond_timedwait did not fail");
      result = 1;
    }
  else if (e != EINVAL)
    {
      puts ("second cond_timedwait did not return EINVAL");
      result = 1;
    }

  return result;
}


#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
