1 //-----------------------------------------------------------------------------
2 //
3 //	WaitImpl.h
4 //
5 //	Windows implementation of a base class for objects we
6 //  want to be able to wait for.
7 //
8 //	Copyright (c) 2010 Mal Lansell <mal@lansell.org>
9 //	All rights reserved.
10 //
11 //	SOFTWARE NOTICE AND LICENSE
12 //
13 //	This file is part of OpenZWave.
14 //
15 //	OpenZWave is free software: you can redistribute it and/or modify
16 //	it under the terms of the GNU Lesser General Public License as published
17 //	by the Free Software Foundation, either version 3 of the License,
18 //	or (at your option) any later version.
19 //
20 //	OpenZWave is distributed in the hope that it will be useful,
21 //	but WITHOUT ANY WARRANTY; without even the implied warranty of
22 //	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
23 //	GNU Lesser General Public License for more details.
24 //
25 //	You should have received a copy of the GNU Lesser General Public License
26 //	along with OpenZWave.  If not, see <http://www.gnu.org/licenses/>.
27 //
28 //-----------------------------------------------------------------------------
29 #ifndef _WaitImpl_H
30 #define _WaitImpl_H
31 
32 #include <windows.h>
33 #include <list>
34 #include "Defs.h"
35 #include "platform/Ref.h"
36 #include "platform/Wait.h"
37 
38 namespace OpenZWave
39 {
40 	/** \brief Windows specific implementation of Wait objects.
41 	 */
42 	class WaitImpl
43 	{
44 	private:
45 		friend class Wait;
46 
47 		WaitImpl( Wait* _owner );
48 		virtual ~WaitImpl();
49 
50 		void AddWatcher( Wait::pfnWaitNotification_t _callback, void* _context );
51 		bool RemoveWatcher( Wait::pfnWaitNotification_t _callback, void* _context );
52 		void Notify();
53 
54 		static int32 Multiple( Wait** _objects, uint32 _numObjects, int32 _timeout = -1 );
55 
56 		WaitImpl( Wait const&	);					// prevent copy
57 		WaitImpl& operator = ( WaitImpl const& );	// prevent assignment
58 
59 		struct Watcher
60 		{
61 			Wait::pfnWaitNotification_t		m_callback;
62 			void*							m_context;
63 		};
64 
65 		list<Watcher>		m_watchers;
66 		Wait*				m_owner;
67 		CRITICAL_SECTION	m_criticalSection;
68 	};
69 
70 } // namespace OpenZWave
71 
72 #endif //_WaitImpl_H
73 
74