kc3-lang/gnulib/tests/test-call_once.c

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• Hash : 32a72f45
  Author :
  Date : 2023-01-01T01:14:21
  

  maint: run 'make update-copyright'
  

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• tests/test-call_once.c

• /* Test of once-only execution in multithreaded situations.
     Copyright (C) 2018-2023 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  /* Written by Bruno Haible <bruno@clisp.org>, 2018.  */
  
  #include <config.h>
  
  #include <threads.h>
  
  #include "macros.h"
  
  static once_flag a_once = ONCE_FLAG_INIT;
  
  static int a;
  
  static void
  a_init (void)
  {
    a = 42;
  }
  
  int
  main ()
  {
    call_once (&a_once, a_init);
  
    ASSERT (a == 42);
  
    return 0;
  }
  

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