sysdeps/pthread/tst-cond19.c

   1 /* Copyright (C) 2004-2022 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"