4 // Copyright (c) 2008 Jérémie "Garuma" Laval
6 // Permission is hereby granted, free of charge, to any person obtaining a copy
7 // of this software and associated documentation files (the "Software"), to deal
8 // in the Software without restriction, including without limitation the rights
9 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 // copies of the Software, and to permit persons to whom the Software is
11 // furnished to do so, subject to the following conditions:
13 // The above copyright notice and this permission notice shall be included in
14 // all copies or substantial portions of the Software.
16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
27 using System
.Threading
;
29 namespace System
.Threading
.Tasks
31 public class ParallelLoopState
33 internal class ExternalInfos
35 public AtomicBoolean IsStopped
= new AtomicBoolean ();
36 public AtomicBoolean IsBroken
= new AtomicBoolean ();
37 public volatile bool IsExceptional
;
38 public long? LowestBreakIteration
;
41 ExternalInfos extInfos
;
43 internal ParallelLoopState (ExternalInfos extInfos
)
45 this.extInfos
= extInfos
;
48 public bool IsStopped
{
50 return extInfos
.IsStopped
.Value
;
54 public bool IsExceptional
{
56 return extInfos
.IsExceptional
;
60 public long? LowestBreakIteration
{
62 return extInfos
.LowestBreakIteration
;
66 internal int CurrentIteration
{
71 public bool ShouldExitCurrentIteration
{
73 return IsExceptional
|| IsStopped
;
79 bool result
= extInfos
.IsBroken
.Exchange (true);
81 extInfos
.LowestBreakIteration
= CurrentIteration
;
86 extInfos
.IsStopped
.Exchange (true);