nptl/tst-clock1.c

   1 /* Copyright (C) 2003-2017 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 <pthread.h>
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <time.h>
  23 #include <unistd.h>
  24
  25
  26 int
  27 do_test (void)
  28 {
  29 #if defined _POSIX_THREAD_CPUTIME && _POSIX_THREAD_CPUTIME >= 0
  30   clockid_t cl;
  31   /* This is really only a linking-test here.  */
  32   int e = pthread_getcpuclockid (pthread_self (), &cl);
  33   if (e != 0)
  34     {
  35 # if _POSIX_THREAD_CPUTIME == 0
  36       if (sysconf (_SC_THREAD_CPUTIME) >= 0)
  37 # endif
  38         {
  39           puts ("cpuclock advertized, but cannot get ID");
  40           exit (1);
  41         }
  42     }
  43 #endif
  44
  45   return 0;
  46 }
  47
  48
  49 #define TEST_FUNCTION do_test ()
  50 #include "../test-skeleton.c"