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view agent/src/share/classes/sun/jvm/hotspot/ui/Annotation.java @ 17716:cdb71841f4bc
6498581: ThreadInterruptTest3 produces wrong output on Windows
Summary: There is race condition between os::interrupt and os::is_interrupted on Windows. In JVM_Sleep(Thread.sleep), check if thread gets interrupted, it may see interrupted but not really interrupted so cause spurious waking up (early return from sleep). Fix by checking if interrupt event really gets set thus prevent false return. For intrinsic of _isInterrupted, on Windows, go fastpath only on bit not set.
Reviewed-by: acorn, kvn
Contributed-by: david.holmes@oracle.com, yumin.qi@oracle.com
author | minqi |
---|---|
date | Wed, 26 Feb 2014 15:20:41 -0800 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ package sun.jvm.hotspot.ui; import java.awt.*; import java.awt.font.*; import java.awt.geom.*; import java.util.*; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.utilities.*; /** This can be extended, along with AnnotatedMemoryPanel, to be an arbitrarily complex mechanism, supporting user interaction, etc. */ public class Annotation { private Interval interval; // List<String> private java.util.List strings; // List<Integer> private java.util.List heights; private Color baseColor; private int width; private int height; private int x; private int y; /** The Annotation can handle the sense of lowAddress and highAddress being swapped. */ public Annotation(Address lowAddress, Address highAddress, String s) { strings = new ArrayList(); heights = new ArrayList(); for (StringTokenizer tok = new StringTokenizer(s, "\n"); tok.hasMoreTokens(); ) { strings.add(tok.nextToken()); } if (AddressOps.lessThan(highAddress, lowAddress)) { Address temp = lowAddress; lowAddress = highAddress; highAddress = temp; } interval = new Interval(lowAddress, highAddress); } public Interval getInterval() { return interval; } public Address getLowAddress() { return (Address) getInterval().getLowEndpoint(); } public Address getHighAddress() { return (Address) getInterval().getHighEndpoint(); } /** Draw the annotation at its current (x, y) position with its current color */ public void draw(Graphics g) { g.setColor(baseColor); int tmpY = y; for (int i = 0; i < strings.size(); i++) { String s = (String) strings.get(i); Integer h = (Integer) heights.get(i); g.drawString(s, x, tmpY); tmpY += h.intValue(); } } /** Sets the base color of this annotation. The annotation may render sub-portions in a different color if desired. */ public void setColor(Color c) { this.baseColor = c; } /** Returns the base color of this annotation. */ public Color getColor() { return baseColor; } /** Computes width and height for this Annotation. Retrieve the computed information using getWidth() and getHeight(). Separated because the width and height only need to be recomputed if the font changes. */ public void computeWidthAndHeight(Graphics g) { width = 0; height = 0; heights.clear(); for (Iterator iter = strings.iterator(); iter.hasNext(); ) { String s = (String) iter.next(); Rectangle2D bounds = GraphicsUtilities.getStringBounds(s, g); width = Math.max(width, (int) bounds.getWidth()); height += (int) bounds.getHeight(); heights.add(new Integer((int) bounds.getHeight())); } } public int getWidth() { return width; } public int getHeight() { return height; } /** Set the x and y position of this annotation */ public void setXAndY(int x, int y) { this.x = x; this.y = y; } public void setX(int x) { this.x = x; } public int getX() { return x; } public void setY(int y) { this.y = y; } public int getY() { return y; } public Rectangle getBounds() { return new Rectangle(x, y, width, height); } public String toString() { String result = "Annotation: lowAddr: " + getLowAddress() + " highAddr: " + getHighAddress() + " strings: " + strings.size(); for (int i = 0; i < strings.size(); i++) { result += "\n" + (String) strings.get(i); } return result; } }