nptl/tst-basic5.c

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