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