// Copyright Keysight Technologies 2012-2019
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, you can obtain one at http://mozilla.org/MPL/2.0/.
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using System.Collections.Concurrent;
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using System.Threading;
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namespace OpenTap.Plugins.BasicSteps
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{
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[Display("Lock", Group: "Á÷³Ì¿ØÖÆ", Description: "»¥³âËø",Order:1)]
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[AllowAnyChild]
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public class LockStep : TestStep
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{
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public LockStep()
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{
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LockName = "TAP_Mutex1";
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SystemWide = false;
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Rules.Add(() => LockName.Contains("\\") == false, "Lock Name does not support '\\'", "LockName");
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}
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[Display("Ãû³Æ", Description: "The name identifying the lock, used for sharing.")]
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public string LockName { get; set; }
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[Display("ϵͳ¼¶", Description: "Use a system-wide named mutex, that can be shared across processes.")]
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public bool SystemWide { get; set; }
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static ConcurrentDictionary<string, Mutex> localMutexes = new ConcurrentDictionary<string, Mutex>();
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Mutex getMutex(string name, bool systemwide)
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{
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if (systemwide)
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return new Mutex(false, name);
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return localMutexes.GetOrAdd(name, s => new Mutex());
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}
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protected override void RunDetail()
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{
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Mutex mutex = getMutex(LockName, SystemWide);
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mutex.WaitOne();
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try
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{
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RunChildSteps();
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}
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finally
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{
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mutex.ReleaseMutex();
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}
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}
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}
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}
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