1 //-----------------------------------------------------------------------------
2 //
3 //	WaitImpl.h
4 //
5 //	WinRT implementation of a base class for objects we
6 //  want to be able to wait for.
7 //
8 //	Copyright (c) 2015 Microsoft Corporation
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 	namespace Internal
41 	{
42 		namespace Platform
43 		{
44 
45 			/** \brief Windows specific implementation of Wait objects.
46 			 */
47 			class WaitImpl
48 			{
49 				private:
50 					friend class Wait;
51 
52 					WaitImpl(Wait* _owner);
53 					virtual ~WaitImpl();
54 
55 					void AddWatcher(Wait::pfnWaitNotification_t _callback, void* _context);
56 					bool RemoveWatcher(Wait::pfnWaitNotification_t _callback, void* _context);
57 					void Notify();
58 
59 					static int32 Multiple(Wait** _objects, uint32 _numObjects, int32 _timeout = -1);
60 
61 					WaitImpl(Wait const&);					// prevent copy
62 					WaitImpl& operator =(WaitImpl const&);	// prevent assignment
63 
64 					struct Watcher
65 					{
66 							Wait::pfnWaitNotification_t m_callback;
67 							void* m_context;
68 					};
69 
70 					list<Watcher> m_watchers;
71 					Wait* m_owner;
72 					CRITICAL_SECTION m_criticalSection;
73 			};
74 		} // namespace Platform
75 	} // namespace Internal
76 } // namespace OpenZWave
77 
78 #endif //_WaitImpl_H
79 
80