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3bccd1d7 PG |
1 | /* |
2 | * Copyright (C) 2008 Patrik Gornicz, Gornicz_P (at) hotmail (dot) com. | |
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 of the License, or | |
7 | * (at your option) 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 <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | ||
18 | #include "Mutex.h" | |
002fd13c | 19 | #include "debug.h" |
3bccd1d7 PG |
20 | |
21 | #include <SDL/SDL.h> | |
22 | ||
23 | Mutex::Mutex() | |
24 | : m_pSDL_mutex(NULL) | |
25 | { | |
26 | ||
27 | } | |
28 | Mutex::~Mutex() | |
29 | { | |
30 | ||
31 | } | |
32 | ||
33 | void Mutex::init() | |
34 | { | |
35 | m_pSDL_mutex = SDL_CreateMutex(); | |
36 | } | |
37 | void Mutex::clean() | |
38 | { | |
39 | SDL_DestroyMutex(m_pSDL_mutex); | |
40 | m_pSDL_mutex = NULL; | |
41 | } | |
42 | ||
43 | bool Mutex::IsValid() | |
44 | { | |
45 | return NULL != m_pSDL_mutex; | |
46 | } | |
47 | ||
48 | void Mutex::Lock() | |
49 | { | |
002fd13c PG |
50 | DASSERT(IsValid()); |
51 | ||
52 | SDL_mutexP(m_pSDL_mutex); | |
53 | m_uiThreadID = SDL_ThreadID(); | |
3bccd1d7 PG |
54 | } |
55 | void Mutex::Unlock() | |
56 | { | |
002fd13c PG |
57 | DASSERT(IsValid()); |
58 | ||
59 | DASSERT(m_uiThreadID == SDL_ThreadID()); | |
60 | SDL_mutexV(m_pSDL_mutex); | |
3bccd1d7 | 61 | } |