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The osx x86_64 swt jar as available in the Eclipse 4.6 (Neon) release for OSX. It is suitable for use with jface and other dependencies available from maven central in the org.eclipse.scout.sdk.deps group. The sources is copied from swt-4.6-cocoa-macosx-x86_64.zip from http://download.eclipse.org/eclipse/downloads/drops4/R-4.6-201606061100/ and javadoc is generated from sources.

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/*******************************************************************************
 * Copyright (c) 2000, 2011 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
 *******************************************************************************/
package org.eclipse.swt.widgets;


/**
 * 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;
}

boolean done () {
	return runnable == null || throwable != null;
}

void run () {
	if (runnable != null) runnable.run ();
	runnable = null;
}

}