1  /* Init guards, somewhat like spinlocks (native Windows implementation).
       2     Copyright (C) 2005-2023 Free Software Foundation, Inc.
       3  
       4     This file is free software: you can redistribute it and/or modify
       5     it under the terms of the GNU Lesser General Public License as
       6     published by the Free Software Foundation; either version 2.1 of the
       7     License, or (at your option) any later version.
       8  
       9     This file 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 Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser 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>, 2005.
      18     Based on GCC's gthr-win32.h.  */
      19  
      20  #ifndef _WINDOWS_INITGUARD_H
      21  #define _WINDOWS_INITGUARD_H
      22  
      23  #define WIN32_LEAN_AND_MEAN  /* avoid including junk */
      24  #include <windows.h>
      25  
      26  typedef struct
      27          {
      28            volatile int done;
      29            volatile LONG started;
      30          }
      31          glwthread_initguard_t;
      32  
      33  #define GLWTHREAD_INITGUARD_INIT { 0, -1 }
      34  
      35  #endif /* _WINDOWS_INITGUARD_H */