text: /* Copyright (C) 2003-2013 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"
  