Showing the changes to Source/Libraries/GSF.Core/Threading/ThreadContainerThreadpool.cs (1 of 10 files). Show all
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| 1 | //****************************************************************************************************** | ||
| 2 | // ThreadContainerThreadpool.cs - Gbtc | ||
| 3 | // | ||
| 4 | // Copyright © 2014, Grid Protection Alliance. All Rights Reserved. | ||
| 5 | // | ||
| 6 | // Licensed to the Grid Protection Alliance (GPA) under one or more contributor license agreements. See | ||
| 7 | // the NOTICE file distributed with this work for additional information regarding copyright ownership. | ||
| 8 | // The GPA licenses this file to you under the Eclipse Public License -v 1.0 (the "License"); you may | ||
| 9 | // not use this file except in compliance with the License. You may obtain a copy of the License at: | ||
| 10 | // | ||
| 11 | // http://www.opensource.org/licenses/eclipse-1.0.php | ||
| 12 | // | ||
| 13 | // Unless agreed to in writing, the subject software distributed under the License is distributed on an | ||
| 14 | // "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. Refer to the | ||
| 15 | // License for the specific language governing permissions and limitations. | ||
| 16 | // | ||
| 17 | // Code Modification History: | ||
| 18 | // ---------------------------------------------------------------------------------------------------- | ||
| 19 | // 3/8/2014 - Steven E. Chisholm | ||
| 20 | // Generated original version of source code. | ||
| 21 | // | ||
| 22 | // | ||
| 23 | //****************************************************************************************************** | ||
| 24 | |||
| 25 | using System.Threading; | ||
| 26 | |||
| 27 | namespace GSF.Threading | ||
| 28 | { | ||
| 29 | internal class ThreadContainerThreadpool | ||
| 30 | : ThreadContainerBase | ||
| 31 | { | ||
| 32 | /// <summary> | ||
| 33 | /// Handle that is created when telling the threadpool to do a delayed start. | ||
| 34 | /// </summary> | ||
| 35 | private volatile RegisteredWaitHandle m_registeredHandle; | ||
| 36 | |||
| 37 | /// <summary> | ||
| 38 | /// The reset event that allows the timer to be short circuited. | ||
| 39 | /// </summary> | ||
| 40 | private ManualResetEvent m_waitObject; | ||
| 41 | |||
| 42 | public ThreadContainerThreadpool(WeakActionFast<CallbackArgs> callback) | ||
| 43 | : base(callback) | ||
| 44 | { | ||
| 45 | m_waitObject = new ManualResetEvent(false); | ||
| 46 | } | ||
| 47 | |||
| 48 | protected override void InternalStart(int delay) | ||
| 49 | { | ||
| 50 | m_waitObject.Reset(); | ||
| 51 | m_registeredHandle = ThreadPool.RegisterWaitForSingleObject(m_waitObject, BeginRunOnTimer, null, delay, executeOnlyOnce: true); | ||
| 52 | } | ||
| 53 | |||
| 54 | protected override void InternalStart_FromWorkerThread(int delay) | ||
| 55 | { | ||
| 56 | m_waitObject.Reset(); | ||
| 57 | m_registeredHandle = ThreadPool.RegisterWaitForSingleObject(m_waitObject, BeginRunOnTimer, null, delay, executeOnlyOnce: true); | ||
| 58 | } | ||
| 59 | |||
| 60 | private void BeginRunOnTimer(object state, bool isTimeout) | ||
| 61 | { | ||
| 62 | //Wait for this race condition to satisfy | ||
| 63 | while (m_registeredHandle == null) | ||
| 64 | ; | ||
| 65 | m_registeredHandle.Unregister(null); | ||
| 66 | m_registeredHandle = null; | ||
| 67 | OnRunning(); | ||
| 68 | } | ||
| 69 | |||
| 70 | protected override void InternalCancelTimer() | ||
| 71 | { | ||
| 72 | m_waitObject.Set(); | ||
| 73 | } | ||
| 74 | |||
| 75 | protected override void InternalStart() | ||
| 76 | { | ||
| 77 | ThreadPool.QueueUserWorkItem(BeginRunImmediately); | ||
| 78 | } | ||
| 79 | |||
| 80 | protected override void InternalStart_FromWorkerThread() | ||
| 81 | { | ||
| 82 | ThreadPool.QueueUserWorkItem(BeginRunImmediately); | ||
| 83 | } | ||
| 84 | |||
| 85 | private void BeginRunImmediately(object state) | ||
| 86 | { | ||
| 87 | OnRunning(); | ||
| 88 | } | ||
| 89 | |||
| 90 | protected override void InternalDispose_FromWorkerThread() | ||
| 91 | { | ||
| 92 | m_waitObject.Dispose(); | ||
| 93 | m_waitObject = null; | ||
| 94 | } | ||
| 95 | |||
| 96 | protected override void InternalDoNothing_FromWorkerThread() | ||
| 97 | { | ||
| 98 | |||
| 99 | } | ||
| 100 | |||
| 101 | } | ||
| 102 | } | ||