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 #include <MTColorTable.h>
31 #include <MTStackRequirements.h>
32 
33 
34 namespace MT
35 {
36 	class FiberContext;
37 	typedef void (*TTaskEntryPoint)(FiberContext & context, const void* userData);
38 	typedef void (*TPoolTaskDestroy)(const void* userData);
39 
40 
41 	namespace internal
42 	{
43 		////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
44 		// Task description
45 		////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
46 		struct TaskDesc
47 		{
48 			//Task entry point
49 			TTaskEntryPoint taskFunc;
50 
51 			//Task destroy func from pool (dtor call)
52 			TPoolTaskDestroy poolDestroyFunc;
53 
54 			//Task user data (task data context)
55 			const void* userData;
56 
57 			//Stack requirements for task
58 			MT::StackRequirements::Type stackRequirements;
59 
60 #ifdef MT_INSTRUMENTED_BUILD
61 			const mt_char* debugID;
62 			MT::Color::Type debugColor;
63 #endif
64 
65 			TaskDesc()
66 				: taskFunc(nullptr)
67 				, poolDestroyFunc(nullptr)
68 				, userData(nullptr)
69 				, stackRequirements(MT::StackRequirements::INVALID)
70 			{
71 #ifdef MT_INSTRUMENTED_BUILD
72 				debugID = nullptr;
73 				debugColor = MT::Color::Blue;
74 #endif
75 			}
76 
77 			TaskDesc(TTaskEntryPoint _taskFunc, const void* _userData, MT::StackRequirements::Type _stackRequirements)
78 				: taskFunc(_taskFunc)
79 				, poolDestroyFunc(nullptr)
80 				, userData(_userData)
81 				, stackRequirements(_stackRequirements)
82 			{
83 #ifdef MT_INSTRUMENTED_BUILD
84 				debugID = nullptr;
85 				debugColor = MT::Color::Blue;
86 #endif
87 			}
88 
89 			TaskDesc(TTaskEntryPoint _taskFunc, TPoolTaskDestroy _poolDestroyFunc, const void* _userData, MT::StackRequirements::Type _stackRequirements)
90 				: taskFunc(_taskFunc)
91 				, poolDestroyFunc(_poolDestroyFunc)
92 				, userData(_userData)
93 				, stackRequirements(_stackRequirements)
94 			{
95 #ifdef MT_INSTRUMENTED_BUILD
96 				debugID = nullptr;
97 				debugColor = MT::Color::Blue;
98 #endif
99 			}
100 
101 			bool IsValid()
102 			{
103 				return (taskFunc != nullptr);
104 			}
105 		};
106 	}
107 
108 }
109