d07c171f |
1 | /* |
2 | Copyright (C) 2003 Rice1964 |
3 | |
4 | This program is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU General Public License |
6 | as published by the Free Software Foundation; either version 2 |
7 | of the License, or (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, write to the Free Software |
16 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
17 | |
18 | */ |
19 | |
20 | #if !defined(CRITSECT_H) |
21 | #define CRITSECT_H |
22 | |
23 | #include <SDL.h> |
24 | |
25 | //*SEB*, single process, no lock needed... |
26 | #define NOLOCK |
27 | |
28 | class CCritSect |
29 | { |
30 | public: |
31 | CCritSect() |
32 | { |
33 | #ifndef NOLOCK |
34 | cs = SDL_CreateMutex(); |
35 | #endif |
36 | locked = 0; |
37 | } |
38 | |
39 | ~CCritSect() |
40 | { |
41 | #ifndef NOLOCK |
42 | SDL_DestroyMutex(cs); |
43 | #endif |
44 | } |
45 | |
46 | void Lock() |
47 | { |
48 | #ifndef NOLOCK |
49 | SDL_LockMutex(cs); |
50 | #endif |
51 | locked = 1; |
52 | } |
53 | |
54 | void Unlock() |
55 | { |
56 | locked = 0; |
57 | #ifndef NOLOCK |
58 | SDL_UnlockMutex(cs); |
59 | #endif |
60 | } |
61 | |
62 | bool IsLocked() |
63 | { |
64 | return (locked != 0); |
65 | } |
66 | |
67 | protected: |
68 | #ifndef NOLOCK |
69 | SDL_mutex *cs; |
70 | #endif |
71 | int locked; |
72 | }; |
73 | |
74 | #endif // !defined(CRITSECT_H) |
75 | |