1 ////////////////////////////////////////////////////////////////////////////////////////
2 //
3 // Nestopia - NES/Famicom emulator written in C++
4 //
5 // Copyright (C) 2003-2008 Martin Freij
6 //
7 // This file is part of Nestopia.
8 //
9 // Nestopia is free software; you can redistribute it and/or modify
10 // it under the terms of the GNU General Public License as published by
11 // the Free Software Foundation; either version 2 of the License, or
12 // (at your option) any later version.
13 //
14 // Nestopia is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 // GNU General Public License for more details.
18 //
19 // You should have received a copy of the GNU General Public License
20 // along with Nestopia; if not, write to the Free Software
21 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
22 //
23 ////////////////////////////////////////////////////////////////////////////////////////
24 
25 #ifndef NST_SYSTEM_THREAD_H
26 #define NST_SYSTEM_THREAD_H
27 
28 #pragma once
29 
30 #include "NstObjectDelegate.hpp"
31 #include <windows.h>
32 
33 namespace Nestopia
34 {
35 	namespace System
36 	{
37 		class Thread
38 		{
39 			HANDLE hEnter;
40 			HANDLE hExit;
41 			HANDLE hAbort;
42 
43 		public:
44 
45 			Thread();
46 			~Thread();
47 
48 			class Terminator : public ImplicitBool<Terminator>
49 			{
50 				friend class Thread;
51 
52 				HANDLE const hAbort;
53 
54 				inline explicit Terminator(HANDLE=NULL);
55 
56 			public:
57 
operator !() const58 				bool operator ! () const
59 				{
60 					return ::WaitForSingleObject( hAbort, 0 ) != WAIT_OBJECT_0;
61 				}
62 			};
63 
64 			typedef Object::Delegate<void,Terminator> Callback;
65 
66 			void Start(const Callback&,int=0);
67 			void Stop();
68 
Idle() const69 			bool Idle() const
70 			{
71 				return !hEnter;
72 			}
73 		};
74 	}
75 }
76 
77 #endif
78