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
23namespace MT
24{
25
26	template<class TTask>
27	void FiberContext::RunSubtasksAndYield(TaskGroup* taskGroup, const TTask* taskArray, size_t taskCount)
28	{
29		MT_ASSERT(threadContext, "ThreadContext is nullptr");
30		MT_ASSERT(taskCount < threadContext->descBuffer.size(), "Buffer overrun!");
31		MT_ASSERT(taskGroup != nullptr, "You must specify group!");
32
33		TaskScheduler& scheduler = *(threadContext->taskScheduler);
34
35		ArrayView<internal::GroupedTask> buffer(&threadContext->descBuffer.front(), taskCount);
36
37		size_t bucketCount = MT::Min((size_t)scheduler.GetWorkerCount(), taskCount);
38		ArrayView<internal::TaskBucket> buckets(MT_ALLOCATE_ON_STACK(sizeof(internal::TaskBucket) * bucketCount), bucketCount);
39
40		internal::DistibuteDescriptions(taskGroup, taskArray, buffer, buckets);
41		RunSubtasksAndYieldImpl(buckets);
42	}
43
44	template<class TTask>
45	void FiberContext::RunAsync(TaskGroup* taskGroup, TTask* taskArray, size_t taskCount)
46	{
47		MT_ASSERT(threadContext, "ThreadContext is nullptr");
48		MT_ASSERT(threadContext->taskScheduler->IsWorkerThread(), "Can't use RunAsync outside Task. Use TaskScheduler.RunAsync() instead.");
49
50		TaskScheduler& scheduler = *(threadContext->taskScheduler);
51
52		ArrayView<internal::GroupedTask> buffer(&threadContext->descBuffer.front(), taskCount);
53
54		size_t bucketCount = MT::Min((size_t)scheduler.GetWorkerCount(), taskCount);
55		ArrayView<internal::TaskBucket>	buckets(MT_ALLOCATE_ON_STACK(sizeof(internal::TaskBucket) * bucketCount), bucketCount);
56
57		internal::DistibuteDescriptions(taskGroup, taskArray, buffer, buckets);
58		scheduler.RunTasksImpl(buckets, nullptr, false);
59	}
60
61
62
63
64}
65