1  /* Copyright (C) 2004-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <errno.h>
      19  #include <pthread.h>
      20  #include <stdio.h>
      21  #include <stdlib.h>
      22  #include <time.h>
      23  
      24  
      25  static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
      26  static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER;
      27  
      28  
      29  static int
      30  do_test (void)
      31  {
      32    int result = 0;
      33    struct timespec ts;
      34  
      35    if (clock_gettime (CLOCK_REALTIME, &ts) != 0)
      36      {
      37        puts ("clock_gettime failed");
      38        return 1;
      39      }
      40  
      41    ts.tv_nsec = -1;
      42  
      43    int e = pthread_cond_timedwait (&cond, &mut, &ts);
      44    if (e == 0)
      45      {
      46        puts ("first cond_timedwait did not fail");
      47        result = 1;
      48      }
      49    else if (e != EINVAL)
      50      {
      51        puts ("first cond_timedwait did not return EINVAL");
      52        result = 1;
      53      }
      54  
      55    ts.tv_nsec = 2000000000;
      56  
      57    e = pthread_cond_timedwait (&cond, &mut, &ts);
      58    if (e == 0)
      59      {
      60        puts ("second cond_timedwait did not fail");
      61        result = 1;
      62      }
      63    else if (e != EINVAL)
      64      {
      65        puts ("second cond_timedwait did not return EINVAL");
      66        result = 1;
      67      }
      68  
      69    return result;
      70  }
      71  
      72  
      73  #define TEST_FUNCTION do_test ()
      74  #include "../test-skeleton.c"