Line data Source code
1 : /* Copyright (C) 2009 Wildfire Games.
2 : * This file is part of 0 A.D.
3 : *
4 : * 0 A.D. 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 2 of the License, or
7 : * (at your option) any later version.
8 : *
9 : * 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
16 : */
17 :
18 : #ifndef INCLUDED_MESSAGEPASSER
19 : #define INCLUDED_MESSAGEPASSER
20 :
21 : #include "SharedMemory.h"
22 :
23 : namespace AtlasMessage
24 : {
25 :
26 : struct IMessage;
27 : struct QueryMessage;
28 :
29 : class MessagePasser
30 : {
31 : public:
32 0 : virtual ~MessagePasser() {}
33 :
34 : virtual void Add(IMessage*) = 0;
35 : // takes ownership of IMessage object
36 :
37 : virtual void Query(QueryMessage*, void(*timeoutCallback)()) = 0;
38 : // blocks; caller retains ownership of QueryMessage object
39 : };
40 :
41 : extern MessagePasser* g_MessagePasser;
42 :
43 : #define POST_MESSAGE(type, data) AtlasMessage::g_MessagePasser->Add(SHAREABLE_NEW(AtlasMessage::m##type, data))
44 :
45 : }
46 :
47 : #endif // INCLUDED_MESSAGEPASSER
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