nptl/tst-basic5.c

   1 /* Copyright (C) 2003-2013 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
   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
  24
  25
  26 int
  27 do_test (void)
  28 {
  29   int c = pthread_getconcurrency ();
  30   if (c != 0)
  31     {
  32       puts ("initial concurrencylevel wrong");
  33       exit (1);
  34     }
  35
  36   if (pthread_setconcurrency (1) != 0)
  37     {
  38       puts ("setconcurrency failed");
  39       exit (1);
  40     }
  41
  42   c = pthread_getconcurrency ();
  43   if (c != 1)
  44     {
  45       puts ("getconcurrency didn't return the value previous set");
  46       exit (1);
  47     }
  48
  49   int e = pthread_setconcurrency (-1);
  50   if (e == 0)
  51     {
  52       puts ("setconcurrency of negative value didn't failed");
  53       exit (1);
  54     }
  55   if (e != EINVAL)
  56     {
  57       puts ("setconcurrency didn't return EINVAL for negative value");
  58       exit (1);
  59     }
  60
  61   c = pthread_getconcurrency ();
  62   if (c != 1)
  63     {
  64       puts ("invalid getconcurrency changed level");
  65       exit (1);
  66     }
  67
  68   return 0;
  69 }
  70
  71
  72 #define TEST_FUNCTION do_test ()
  73 #include "../test-skeleton.c"