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view dwt/widgets/RunnableLock.d @ 0:380af2bdd8e5
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author | Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> |
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date | Sat, 09 Aug 2008 17:00:02 +0200 |
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children | 1a8b3cb347e0 2952d5604c0a |
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/******************************************************************************* * Copyright (c) 2000, 2007 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ module dwt.widgets.RunnableLock; import dwt.dwthelper.utils; /** * Instances of this class are used to ensure that an * application cannot interfere with the locking mechanism * used to implement asynchronous and synchronous communication * between widgets and background threads. */ class RunnableLock { Runnable runnable; Thread thread; Throwable throwable; RunnableLock (Runnable runnable) { this.runnable = runnable; } bool done () { return runnable is null || throwable !is null; } void run () { if (runnable !is null) runnable.run (); runnable = null; } }