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_THREAD__
25 #define __MT_THREAD__
26 
27 
28 #include <Platform/Common/MTThread.h>
29 
30 namespace MT
31 {
32 	class _Fiber;
33 
34 	class Thread : public ThreadBase
35 	{
36 		MW_DWORD threadId;
37 		MW_HANDLE thread;
38 
39 		static MW_DWORD __stdcall ThreadFuncInternal(void *pThread)
40 		{
41 			Thread* self = (Thread*)pThread;
42 			self->func(self->funcData);
43 			return 0;
44 		}
45 	public:
46 
47 		Thread()
48 			: thread(nullptr)
49 			, threadId(0)
50 		{
51 		}
52 
53 		~Thread()
54 		{
55 			MT_ASSERT(thread == nullptr, "Thread is not stopped!");
56 		}
57 
58 		void Start(size_t stackSize, TThreadEntryPoint entryPoint, void *userData)
59 		{
60 			MT_ASSERT(thread == nullptr, "Thread already started");
61 
62 			func = entryPoint;
63 			funcData = userData;
64 			thread = ::CreateThread( nullptr, stackSize, ThreadFuncInternal, this, 0, &threadId );
65 			MT_ASSERT(thread != nullptr, "Can't create thread");
66 		}
67 
68 		void Stop()
69 		{
70 			if (thread == nullptr)
71 			{
72 				return;
73 			}
74 
75 			::WaitForSingleObject(thread, MW_INFINITE);
76 			MW_BOOL res = CloseHandle(thread);
77 			MT_USED_IN_ASSERT(res);
78 			MT_ASSERT(res != 0, "Can't close thread handle");
79 			thread = nullptr;
80 		}
81 
82 		bool IsCurrentThread() const
83 		{
84 			return threadId == ::GetCurrentThreadId();
85 		}
86 
87 		static int GetNumberOfHardwareThreads()
88 		{
89 			MW_SYSTEM_INFO sysinfo;
90 			::GetSystemInfo( &sysinfo );
91 			return sysinfo.dwNumberOfProcessors;
92 		}
93 
94 		static void Sleep(uint32 milliseconds)
95 		{
96 		  ::Sleep(milliseconds);
97 		}
98 	};
99 
100 
101 }
102 
103 
104 #endif