/* Plain mutexes (native Windows implementation).
Copyright (C) 2005-2021 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, 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>, 2005.
Based on GCC's gthr-win32.h. */
#ifndef _WINDOWS_MUTEX_H
#define _WINDOWS_MUTEX_H
#define WIN32_LEAN_AND_MEAN /* avoid including junk */
#include <windows.h>
#include "windows-initguard.h"
typedef struct
{
glwthread_initguard_t guard; /* protects the initialization */
CRITICAL_SECTION lock;
}
glwthread_mutex_t;
#define GLWTHREAD_MUTEX_INIT { GLWTHREAD_INITGUARD_INIT }
#ifdef __cplusplus
extern "C" {
#endif
extern void glwthread_mutex_init (glwthread_mutex_t *mutex);
extern int glwthread_mutex_lock (glwthread_mutex_t *mutex);
extern int glwthread_mutex_trylock (glwthread_mutex_t *mutex);
extern int glwthread_mutex_unlock (glwthread_mutex_t *mutex);
extern int glwthread_mutex_destroy (glwthread_mutex_t *mutex);
#ifdef __cplusplus
}
#endif
#endif /* _WINDOWS_MUTEX_H */