sysdeps/pthread/tst-clock1.c

   1 /* Copyright (C) 2003-2024 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #include <pthread.h>
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <time.h>
  22 #include <unistd.h>
  23
  24
  25 int
  26 do_test (void)
  27 {
  28 #if defined _POSIX_THREAD_CPUTIME && _POSIX_THREAD_CPUTIME >= 0
  29   clockid_t cl;
  30   /* This is really only a linking-test here.  */
  31   int e = pthread_getcpuclockid (pthread_self (), &cl);
  32   if (e != 0)
  33     {
  34 # if _POSIX_THREAD_CPUTIME == 0
  35       if (sysconf (_SC_THREAD_CPUTIME) >= 0)
  36 # endif
  37         {
  38           puts ("cpuclock advertised, but cannot get ID");
  39           exit (1);
  40         }
  41     }
  42 #endif
  43
  44   return 0;
  45 }
  46
  47
  48 #define TEST_FUNCTION do_test ()
  49 #include "../test-skeleton.c"