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Wait.h
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1 //-----------------------------------------------------------------------------
2 //
3 // Wait.h
4 //
5 // Cross-platform abstract 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 _Wait_H
30 #define _Wait_H
31 
32 #include <list>
33 #include "platform/Ref.h"
34 
35 namespace OpenZWave
36 {
37  class WaitImpl;
38 
41  class Wait: public Ref
42  {
43  friend class WaitImpl;
44  friend class ThreadImpl;
45 
46  public:
47  enum
48  {
51  };
52 
53  typedef void (*pfnWaitNotification_t)( void* _context );
54 
61  void AddWatcher( pfnWaitNotification_t _callback, void* _context );
62 
69  void RemoveWatcher( pfnWaitNotification_t _callback, void* _context );
70 
77  static int32 Single( Wait* _object, int32 _timeout = -1 ){ return Multiple( &_object, 1, _timeout ); }
78 
87  static int32 Multiple( Wait** _objects, uint32 _numObjects, int32 _timeout = -1 );
88 
89  protected:
90  Wait();
91  virtual ~Wait();
92 
96  void Notify();
97 
101  virtual bool IsSignalled() = 0;
102 
103  private:
104  Wait( Wait const& ); // prevent copy
105  Wait& operator = ( Wait const& ); // prevent assignment
106 
107  WaitImpl* m_pImpl; // Pointer to an object that encapsulates the platform-specific implementation of a Wait object.
108  };
109 
110 } // namespace OpenZWave
111 
112 #endif //_Wait_H
113 
Windows specific implementation of Wait objects.
Definition: windows/WaitImpl.h:42
Definition: Bitfield.h:34
void Notify()
Definition: Wait.cpp:112
static int32 Multiple(Wait **_objects, uint32 _numObjects, int32 _timeout=-1)
Definition: Wait.cpp:123
void AddWatcher(pfnWaitNotification_t _callback, void *_context)
Definition: Wait.cpp:73
signed int int32
Definition: Defs.h:79
unsigned int uint32
Definition: Defs.h:80
static int32 Single(Wait *_object, int32 _timeout=-1)
Definition: Wait.h:77
Platform-independent definition of Wait objects.
Definition: Wait.h:41
void RemoveWatcher(pfnWaitNotification_t _callback, void *_context)
Definition: Wait.cpp:96
void(* pfnWaitNotification_t)(void *_context)
Definition: Wait.h:53
Definition: Ref.h:45
virtual ~Wait()
Definition: Wait.cpp:62
Wait()
Definition: Wait.cpp:51
Windows-specific implementation of the Thread class.
Definition: windows/ThreadImpl.h:42
virtual bool IsSignalled()=0