root/maint/gnulib/lib/windows-mutex.h

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INCLUDED FROM


   1 /* Plain mutexes (native Windows implementation).
   2    Copyright (C) 2005-2021 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_MUTEX_H
  21 #define _WINDOWS_MUTEX_H
  22 
  23 #define WIN32_LEAN_AND_MEAN  /* avoid including junk */
  24 #include <windows.h>
  25 
  26 #include "windows-initguard.h"
  27 
  28 typedef struct
  29         {
  30           glwthread_initguard_t guard; /* protects the initialization */
  31           CRITICAL_SECTION lock;
  32         }
  33         glwthread_mutex_t;
  34 
  35 #define GLWTHREAD_MUTEX_INIT { GLWTHREAD_INITGUARD_INIT }
  36 
  37 #ifdef __cplusplus
  38 extern "C" {
  39 #endif
  40 
  41 extern void glwthread_mutex_init (glwthread_mutex_t *mutex);
  42 extern int glwthread_mutex_lock (glwthread_mutex_t *mutex);
  43 extern int glwthread_mutex_trylock (glwthread_mutex_t *mutex);
  44 extern int glwthread_mutex_unlock (glwthread_mutex_t *mutex);
  45 extern int glwthread_mutex_destroy (glwthread_mutex_t *mutex);
  46 
  47 #ifdef __cplusplus
  48 }
  49 #endif
  50 
  51 #endif /* _WINDOWS_MUTEX_H */

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