tests/test-threads.c

   1 /* Test of <threads.h> substitute.
   2    Copyright (C) 2019-2024 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program 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
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Bruno Haible <bruno@clisp.org>, 2019.  */
  18
  19 #include <config.h>
  20
  21 #include <threads.h>
  22
  23 /* Don't check that thread_local is defined.
  24    We cannot define it properly on some platforms.  */
  25
  26 /* Check that ONCE_FLAG_INIT is defined.  */
  27 #ifndef ONCE_FLAG_INIT
  28 "oops1"
  29 #endif
  30 once_flag a = ONCE_FLAG_INIT;
  31
  32 /* Check that TSS_DTOR_ITERATIONS is defined.  */
  33 #ifndef TSS_DTOR_ITERATIONS
  34 "oops2"
  35 #endif
  36 int b = TSS_DTOR_ITERATIONS;
  37
  38 int
  39 main (void)
  40 {
  41   /* Ensure no overlap in thrd_*. */
  42   switch (0)
  43     {
  44     case thrd_success:
  45     case thrd_timedout:
  46     case thrd_busy:
  47     case thrd_nomem:
  48     case thrd_error:
  49     default:
  50       ;
  51     }
  52
  53   /* Ensure no overlap among valid types for mtx_init. */
  54   switch (0)
  55     {
  56     case mtx_plain:
  57     case mtx_timed:
  58     case mtx_plain | mtx_recursive:
  59     case mtx_timed | mtx_recursive:
  60     default:
  61       ;
  62     }
  63
  64   return 0;
  65 }