nptl/tst-barrier1.c

   1 /* Tests barrier initialization.
   2    Copyright (C) 2002-2018 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #include <errno.h>
  21 #include <pthread.h>
  22 #include <stdio.h>
  23
  24
  25 static int
  26 do_test (void)
  27 {
  28   pthread_barrier_t b;
  29   int e;
  30   int cnt;
  31
  32   e = pthread_barrier_init (&b, NULL, 0);
  33   if (e == 0)
  34     {
  35       puts ("barrier_init with count 0 succeeded");
  36       return 1;
  37     }
  38   if (e != EINVAL)
  39     {
  40       puts ("barrier_init with count 0 didn't return EINVAL");
  41       return 1;
  42     }
  43
  44   if (pthread_barrier_init (&b, NULL, 1) != 0)
  45     {
  46       puts ("real barrier_init failed");
  47       return 1;
  48     }
  49
  50   for (cnt = 0; cnt < 10; ++cnt)
  51     {
  52       e = pthread_barrier_wait (&b);
  53
  54       if (e != PTHREAD_BARRIER_SERIAL_THREAD)
  55         {
  56           puts ("barrier_wait didn't return PTHREAD_BARRIER_SERIAL_THREAD");
  57           return 1;
  58         }
  59     }
  60
  61   if (pthread_barrier_destroy (&b) != 0)
  62     {
  63       puts ("barrier_destroy failed");
  64       return 1;
  65     }
  66
  67   return 0;
  68 }
  69
  70 #define TEST_FUNCTION do_test ()
  71 #include "../test-skeleton.c"