nptl/tst-cond19.c

   1 /* Copyright (C) 2004-2017 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2004.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <errno.h>
  20 #include <pthread.h>
  21 #include <stdio.h>
  22 #include <stdlib.h>
  23 #include <time.h>
  24
  25
  26 static pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
  27 static pthread_mutex_t mut = PTHREAD_MUTEX_INITIALIZER;
  28
  29
  30 static int
  31 do_test (void)
  32 {
  33   int result = 0;
  34   struct timespec ts;
  35
  36   if (clock_gettime (CLOCK_REALTIME, &ts) != 0)
  37     {
  38       puts ("clock_gettime failed");
  39       return 1;
  40     }
  41
  42   ts.tv_nsec = -1;
  43
  44   int e = pthread_cond_timedwait (&cond, &mut, &ts);
  45   if (e == 0)
  46     {
  47       puts ("first cond_timedwait did not fail");
  48       result = 1;
  49     }
  50   else if (e != EINVAL)
  51     {
  52       puts ("first cond_timedwait did not return EINVAL");
  53       result = 1;
  54     }
  55
  56   ts.tv_nsec = 2000000000;
  57
  58   e = pthread_cond_timedwait (&cond, &mut, &ts);
  59   if (e == 0)
  60     {
  61       puts ("second cond_timedwait did not fail");
  62       result = 1;
  63     }
  64   else if (e != EINVAL)
  65     {
  66       puts ("second cond_timedwait did not return EINVAL");
  67       result = 1;
  68     }
  69
  70   return result;
  71 }
  72
  73
  74 #define TEST_FUNCTION do_test ()
  75 #include "../test-skeleton.c"