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