nptl/tst-sem10.c

   1 /* Copyright (C) 2007 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Jakub Jelinek <jakub@redhat.com>, 2007.
   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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <errno.h>
  21 #include <pthread.h>
  22 #include <semaphore.h>
  23 #include <stdio.h>
  24 #include <time.h>
  25 #include <unistd.h>
  26 #include <sys/time.h>
  27
  28
  29 static int
  30 do_test (void)
  31 {
  32   sem_t s;
  33   if (sem_init (&s, 0, 0) == -1)
  34     {
  35       puts ("sem_init failed");
  36       return 1;
  37     }
  38
  39   struct timeval tv;
  40   if (gettimeofday (&tv, NULL) != 0)
  41     {
  42       puts ("gettimeofday failed");
  43       return 1;
  44     }
  45
  46   struct timespec ts;
  47   TIMEVAL_TO_TIMESPEC (&tv, &ts);
  48
  49   /* Set ts to yesterday.  */
  50   ts.tv_sec -= 86400;
  51
  52   int type_before;
  53   if (pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &type_before) != 0)
  54     {
  55       puts ("first pthread_setcanceltype failed");
  56       return 1;
  57     }
  58
  59   errno = 0;
  60   if (TEMP_FAILURE_RETRY (sem_timedwait (&s, &ts)) != -1)
  61     {
  62       puts ("sem_timedwait succeeded");
  63       return 1;
  64     }
  65   if (errno != ETIMEDOUT)
  66     {
  67       printf ("sem_timedwait return errno = %d instead of ETIMEDOUT\n",
  68               errno);
  69       return 1;
  70     }
  71
  72   int type_after;
  73   if (pthread_setcanceltype (PTHREAD_CANCEL_DEFERRED, &type_after) != 0)
  74     {
  75       puts ("second pthread_setcanceltype failed");
  76       return 1;
  77     }
  78   if (type_after != PTHREAD_CANCEL_DEFERRED)
  79     {
  80       puts ("sem_timedwait changed cancellation type");
  81       return 1;
  82     }
  83
  84   return 0;
  85 }
  86
  87 #define TEST_FUNCTION do_test ()
  88 #include "../test-skeleton.c"