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 
23 #pragma once
24 
25 #include <MTTools.h>
26 #include <MTPlatform.h>
27 #include <MTConcurrentQueueLIFO.h>
28 #include <MTStackArray.h>
29 #include <MTArrayView.h>
30 
31 
32 namespace MT
33 {
34 	class FiberContext;
35 	typedef void (*TTaskEntryPoint)(FiberContext & context, void* userData);
36 
37 	typedef void (*TPoolTaskDestroy)(void* userData);
38 
39 
40 	namespace internal
41 	{
42 		////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
43 		// Task description
44 		////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
45 		struct TaskDesc
46 		{
47 			//Task entry point
48 			TTaskEntryPoint taskFunc;
49 
50 			//Task destroy func from pool (dtor call)
51 			TPoolTaskDestroy poolDestroyFunc;
52 
53 			//Task user data (task data context)
54 			void* userData;
55 
56 #ifdef MT_INSTRUMENTED_BUILD
57 			const char * debugID;
58 			int colorIndex;
59 #endif
60 
61 			TaskDesc()
62 				: taskFunc(nullptr)
63 				, poolDestroyFunc(nullptr)
64 				, userData(nullptr)
65 			{
66 #ifdef MT_INSTRUMENTED_BUILD
67 				debugID = nullptr;
68 				colorIndex = 0;
69 #endif
70 			}
71 
72 			TaskDesc(TTaskEntryPoint _taskFunc, void* _userData)
73 				: taskFunc(_taskFunc)
74 				, poolDestroyFunc(nullptr)
75 				, userData(_userData)
76 			{
77 #ifdef MT_INSTRUMENTED_BUILD
78 				debugID = nullptr;
79 				colorIndex = 0;
80 #endif
81 			}
82 
83 			TaskDesc(TTaskEntryPoint _taskFunc, TPoolTaskDestroy _poolDestroyFunc, void* _userData)
84 				: taskFunc(_taskFunc)
85 				, poolDestroyFunc(_poolDestroyFunc)
86 				, userData(_userData)
87 			{
88 #ifdef MT_INSTRUMENTED_BUILD
89 				debugID = nullptr;
90 				colorIndex = 0;
91 #endif
92 			}
93 
94 			bool IsValid()
95 			{
96 				return (taskFunc != nullptr);
97 			}
98 		};
99 	}
100 
101 }
102