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c0c3707f | 1 | /* Plain mutexes (native Windows implementation). |
5df4cba6 | 2 | Copyright (C) 2005-2020 Free Software Foundation, Inc. |
c0c3707f CB |
3 | |
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU General Public License as published by | |
6 | the Free Software Foundation; either version 3, or (at your option) | |
7 | any later version. | |
8 | ||
9 | This program 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 General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU 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 */ |