58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
|
/* Plain recursive mutexes (native Windows implementation).
|
||
|
|
Copyright (C) 2005-2023 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_RECMUTEX_H
|
||
|
|
#define _WINDOWS_RECMUTEX_H
|
||
|
|
|
||
|
|
#define WIN32_LEAN_AND_MEAN /* avoid including junk */
|
||
|
|
#include <windows.h>
|
||
|
|
|
||
|
|
#include "windows-initguard.h"
|
||
|
|
|
||
|
|
/* The native Windows documentation says that CRITICAL_SECTION already
|
||
|
|
implements a recursive lock. But we need not rely on it: It's easy to
|
||
|
|
implement a recursive lock without this assumption. */
|
||
|
|
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
glwthread_initguard_t guard; /* protects the initialization */
|
||
|
|
DWORD owner;
|
||
|
|
unsigned long depth;
|
||
|
|
CRITICAL_SECTION lock;
|
||
|
|
}
|
||
|
|
glwthread_recmutex_t;
|
||
|
|
|
||
|
|
#define GLWTHREAD_RECMUTEX_INIT { GLWTHREAD_INITGUARD_INIT, 0, 0 }
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
extern void glwthread_recmutex_init (glwthread_recmutex_t *mutex);
|
||
|
|
extern int glwthread_recmutex_lock (glwthread_recmutex_t *mutex);
|
||
|
|
extern int glwthread_recmutex_trylock (glwthread_recmutex_t *mutex);
|
||
|
|
extern int glwthread_recmutex_unlock (glwthread_recmutex_t *mutex);
|
||
|
|
extern int glwthread_recmutex_destroy (glwthread_recmutex_t *mutex);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* _WINDOWS_RECMUTEX_H */
|