kc3-lang/gnulib/lib/windows-once.h

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• Hash : 454be6a1
  Author :
  Date : 2024-05-31T19:01:24
  

  windows-once: Fix race (regression yesterday).
  
  * lib/windows-once.h (glwthread_once_t): Change type of inited to LONG.
  * lib/windows-once.c (glwthread_once): Increment inited from 1 to 2, to
  ensure that DeleteCriticalSection gets invoked only once.
  

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• lib/windows-once.h

• /* Once-only control (native Windows implementation).
     Copyright (C) 2005-2024 Free Software Foundation, Inc.
  
     This file is free software: you can redistribute it and/or modify
     it under the terms of the GNU Lesser General Public License as
     published by the Free Software Foundation; either version 2.1 of the
     License, or (at your option) any later version.
  
     This file 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 Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  /* Written by Bruno Haible <bruno@clisp.org>, 2005.
     Based on GCC's gthr-win32.h.  */
  
  #ifndef _WINDOWS_ONCE_H
  #define _WINDOWS_ONCE_H
  
  #define WIN32_LEAN_AND_MEAN  /* avoid including junk */
  #include <windows.h>
  
  typedef struct
          {
            volatile LONG inited;
            volatile LONG num_threads;
            volatile LONG started;
            CRITICAL_SECTION lock;
          }
          glwthread_once_t;
  
  #define GLWTHREAD_ONCE_INIT { -1, 0, -1 }
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  extern void glwthread_once (glwthread_once_t *once_control,
                              void (*initfunction) (void));
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* _WINDOWS_ONCE_H */
  

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