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 <MTStackArray.h>
28 #include <MTArrayView.h>
29 #include <MTColorTable.h>
30 #include <MTStackRequirements.h>
31 
32 
33 namespace MT
34 {
35 	class FiberContext;
36 	typedef void (*TTaskEntryPoint)(FiberContext & context, const void* userData);
37 	typedef void (*TPoolTaskDestroy)(const 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 			const void* userData;
55 
56 			//Stack requirements for task
57 			MT::StackRequirements::Type stackRequirements;
58 
59 #ifdef MT_INSTRUMENTED_BUILD
60 			const mt_char* debugID;
61 			MT::Color::Type debugColor;
62 #endif
63 
64 			TaskDesc()
65 				: taskFunc(nullptr)
66 				, poolDestroyFunc(nullptr)
67 				, userData(nullptr)
68 				, stackRequirements(MT::StackRequirements::INVALID)
69 			{
70 #ifdef MT_INSTRUMENTED_BUILD
71 				debugID = nullptr;
72 				debugColor = MT::Color::Blue;
73 #endif
74 			}
75 
76 			TaskDesc(TTaskEntryPoint _taskFunc, const void* _userData, MT::StackRequirements::Type _stackRequirements)
77 				: taskFunc(_taskFunc)
78 				, poolDestroyFunc(nullptr)
79 				, userData(_userData)
80 				, stackRequirements(_stackRequirements)
81 			{
82 #ifdef MT_INSTRUMENTED_BUILD
83 				debugID = nullptr;
84 				debugColor = MT::Color::Blue;
85 #endif
86 			}
87 
88 			TaskDesc(TTaskEntryPoint _taskFunc, TPoolTaskDestroy _poolDestroyFunc, const void* _userData, MT::StackRequirements::Type _stackRequirements)
89 				: taskFunc(_taskFunc)
90 				, poolDestroyFunc(_poolDestroyFunc)
91 				, userData(_userData)
92 				, stackRequirements(_stackRequirements)
93 			{
94 #ifdef MT_INSTRUMENTED_BUILD
95 				debugID = nullptr;
96 				debugColor = MT::Color::Blue;
97 #endif
98 			}
99 
100 			bool IsValid()
101 			{
102 				return (taskFunc != nullptr);
103 			}
104 		};
105 	}
106 
107 }
108