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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT PI/common/org/eclipse/swt/internal/Lock.java')
-rw-r--r--bundles/org.eclipse.swt/Eclipse SWT PI/common/org/eclipse/swt/internal/Lock.java61
1 files changed, 0 insertions, 61 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT PI/common/org/eclipse/swt/internal/Lock.java b/bundles/org.eclipse.swt/Eclipse SWT PI/common/org/eclipse/swt/internal/Lock.java
deleted file mode 100644
index 0937877c04..0000000000
--- a/bundles/org.eclipse.swt/Eclipse SWT PI/common/org/eclipse/swt/internal/Lock.java
+++ /dev/null
@@ -1,61 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2005 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.internal;
-
-/**
- * Instance of this represent a recursive monitor.
- */
-public class Lock {
- int count, waitCount;
- Thread owner;
-
-/**
- * Locks the monitor and returns the lock count. If
- * the lock is owned by another thread, wait until
- * the lock is released.
- *
- * @return the lock count
- */
-public int lock() {
- synchronized (this) {
- Thread current = Thread.currentThread();
- if (owner != current) {
- waitCount++;
- while (count > 0) {
- try {
- wait();
- } catch (InterruptedException e) {
- /* Wait forever, just like synchronized blocks */
- }
- }
- --waitCount;
- owner = current;
- }
- return ++count;
- }
-}
-
-/**
- * Unlocks the monitor. If the current thread is not
- * the monitor owner, do nothing.
- */
-public void unlock() {
- synchronized (this) {
- Thread current = Thread.currentThread();
- if (owner == current) {
- if (--count == 0) {
- owner = null;
- if (waitCount > 0) notifyAll();
- }
- }
- }
-}
-}

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