1 // The MIT License (MIT)
2 //
3 // 	Copyright (c) 2015 Sergey Makeev, Vadim Slyusarev
4 //
5 // 	Permission is hereby granted, free of charge, to any person obtaining a copy
6 // 	of this software and associated documentation files (the "Software"), to deal
7 // 	in the Software without restriction, including without limitation the rights
8 // 	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 // 	copies of the Software, and to permit persons to whom the Software is
10 // 	furnished to do so, subject to the following conditions:
11 //
12 //  The above copyright notice and this permission notice shall be included in
13 // 	all copies or substantial portions of the Software.
14 //
15 // 	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 // 	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 // 	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 // 	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 // 	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 // 	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21 // 	THE SOFTWARE.
22 #pragma once
23 
24 #ifndef __MT_MUTEX__
25 #define __MT_MUTEX__
26 
27 
28 namespace MT
29 {
30 	class ScopedGuard;
31 
32 	//
33 	//
34 	//
35 	class Mutex
36 	{
37 		::CRITICAL_SECTION criticalSection;
38 
39 	private:
40 
41 		Mutex(const Mutex &) {}
42 		void operator=(const Mutex &) {}
43 
44 	public:
45 
46 		Mutex()
47 		{
48 			::InitializeCriticalSectionAndSpinCount( &criticalSection, 16 );
49 		}
50 
51 		~Mutex()
52 		{
53 			::DeleteCriticalSection( &criticalSection );
54 		}
55 
56 		friend class MT::ScopedGuard;
57 
58 	private:
59 
60 		void Lock()
61 		{
62 			::EnterCriticalSection( &criticalSection );
63 		}
64 		void Unlock()
65 		{
66 			::LeaveCriticalSection( &criticalSection );
67 		}
68 
69 	};
70 
71 
72 }
73 
74 
75 #endif