libjava/classpath/ChangeLog.gcj:
2007-05-31 Matthias Klose <doko@ubuntu.com> * javax/management/NotificationBroadcasterSupport.java (getNotificationInfo): Add cast. * native/jni/qt-peer/Makefile.am (AM_CXXFLAGS): Add libstdc++ include directories. * native/jni/qt-peer/Makefile.in: Regenerate. libjava/ChangeLog: 2007-06-03 Matthias Klose <doko@ubuntu.com> * java/io/natFileWin32.cc (setFilePermissions): New (stub only). _access: Handle EXEC query, stub only. 2007-06-03 Matthias Klose <doko@ubuntu.com> Merged from classpath: * gnu/java/nio/SelectorProviderImpl.java: Whitespace merge. * java/lang/System.java(inheritedChannel): New. * java/lang/Character.java: Remove stray`;'. * java/net/MulticastSocket.java: Merged. * java/text/DateFormatSymbols.java(getInstance): New, comment updates. * java/text/Collator.java(getInstance): Merged. * java/util/Calendar.java: New attributes ALL_STYLES, SHORT, LONG. getDisplayName, getDisplayNames: New. * java/util/logging/Logger.java: Merged. * Regenerate .class and .h files. 2007-06-03 Matthias Klose <doko@ubuntu.com> * java/io/File.java: Merge with classpath-0.95, new method setFilePermissions, new attribute EXEC. * java/io/natFilePosix.cc (setFilePermissions): New. _access: Handle EXEC query. * classpath/lib/java/io/File.class, java/io/File.h: Regenerate. 2007-06-03 Matthias Klose <doko@ubuntu.com> Imported GNU Classpath 0.95. * classpath/Makefile.in, classpath/native/jni/midi-dssi/Makefile.in, classpath/native/jni/classpath/Makefile.in, classpath/native/jni/Makefile.in, classpath/native/jni/gconf-peer/Makefile.in, classpath/native/jni/java-io/Makefile.in, classpath/native/jni/native-lib/Makefile.in, classpath/native/jni/java-util/Makefile.in, classpath/native/jni/midi-alsa/Makefile.in, classpath/native/jni/java-lang/Makefile.in, classpath/native/jni/java-nio/Makefile.in, classpath/native/jni/java-net/Makefile.in, classpath/native/jni/xmlj/Makefile.in, classpath/native/jni/qt-peer/Makefile.in, classpath/native/jni/gtk-peer/Makefile.in, classpath/native/Makefile.in, classpath/native/jawt/Makefile.in, classpath/native/fdlibm/Makefile.in, classpath/native/plugin/Makefile.in, classpath/resource/Makefile.in, classpath/scripts/Makefile.in, classpath/tools/Makefile.in, classpath/doc/Makefile.in, classpath/doc/api/Makefile.in, classpath/lib/Makefile.in, classpath/external/Makefile.in, classpath/external/jsr166/Makefile.in, classpath/external/sax/Makefile.in, classpath/external/w3c_dom/Makefile.in, classpath/external/relaxngDatatype/Makefile.in, classpath/include/Makefile.in, classpath/examples/Makefile.in: Regenerate. * classpath/config.guess, classpath/config.sub, classpath/ltmain.sh : Update. * classpath/configure, classpath/depcomp, classpath/missing, classpath/aclocal.m4, classpath/install-sh: Regenerate. * gnu/classpath/Configuration.java (CLASSPATH_VERSION): Now 0.95. * sources.am: Regenerate. * Makefile.in: Regenerate. * Update the .class files and generated CNI header files, add new .class and generated CNI header files. * Remove generated files for removed java source files: classpath/gnu/java/net/BASE64.java, classpath/gnu/java/security/util/Base64.java, classpath/gnu/java/awt/peer/gtk/GThreadMutex.java, classpath/gnu/java/awt/peer/gtk/GThreadNativeMethodRunner.java, classpath/gnu/java/awt/font/autofit/Scaler.java, classpath/gnu/classpath/jdwp/util/Value.java, classpath/gnu/javax/net/ssl/Base64.java. * Remove empty directories. * Makefile.am(nat_source_files): Add natVMOperatingSystemMXBeanImpl.cc. * java/lang/Class.java(setAccessible): Merge from classpath. * java/util/Locale.java: Remove. * gnu/java/lang/management/VMOperatingSystemMXBeanImpl.java, gnu/java/lang/management/natVMOperatingSystemMXBeanImpl.cc: New. * gcj/javaprims.h: Update class declarations. * scripts/classes.pl: Update usage. * HACKING: Mention to build all peers. From-SVN: r125302
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parent
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179
libjava/classpath/java/lang/management/MonitorInfo.java
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179
libjava/classpath/java/lang/management/MonitorInfo.java
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/* MonitorInfo.java - Information on a monitor lock.
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Copyright (C) 2006 Free Software Foundation
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.lang.management;
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import javax.management.openmbean.CompositeData;
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import javax.management.openmbean.CompositeType;
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import javax.management.openmbean.SimpleType;
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/**
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* Provides information on a monitor lock held by a thread.
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* A monitor lock is obtained when a thread enters a synchronized
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* block or method.
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*
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* @author Andrew John Hughes (gnu_andrew@member.fsf.org)
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* @since 1.6
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*/
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public class MonitorInfo
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extends LockInfo
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{
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/**
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* The stack depth at which the lock was obtained.
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*/
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private int stackDepth;
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/**
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* The stack frame at which the lock was obtained.
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*/
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private StackTraceElement stackFrame;
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/**
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* Constructs a new {@link MonitorInfo} using the specified
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* lock class name and identity hash code, and the given
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* stack depth and frame.
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*
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* @param className the class name of the lock object.
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* @param identityHashCode the identity hash code of the lock object.
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* @param stackDepth the depth of the stack at which the lock
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* was obtained.
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* @param stackFrame the frame of the stack at which the lock was
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* obtained.
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* @throws IllegalArgumentException if the stack depth and frame are
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* inconsistent i.e. the frame is
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* <code>null</code> but the depth is
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* ≥ 0, or the frame is not
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* <code>null</code> but the depth is
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* < 0.
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*/
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public MonitorInfo(String className, int identityHashCode, int stackDepth,
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StackTraceElement stackFrame)
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{
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super(className, identityHashCode);
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if (stackFrame == null && stackDepth >= 0)
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throw new IllegalArgumentException("The stack frame is null, but the " +
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"stack depth is greater than or equal " +
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"to zero.");
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if (stackFrame != null && stackDepth < 0)
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throw new IllegalArgumentException("The stack frame is not null, but the " +
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"stack depth is less than zero.");
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this.stackDepth = stackDepth;
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this.stackFrame = stackFrame;
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}
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/**
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* <p>
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* Returns a {@link MonitorInfo} instance using the values
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* given in the supplied
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* {@link javax.management.openmbean.CompositeData} object.
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* The composite data instance should contain the following
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* attributes with the specified types:
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* </p>
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* <table>
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* <th><td>Name</td><td>Type</td></th>
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* <tr><td>className</td><td>java.lang.String</td></tr>
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* <tr><td>identityHashCode</td><td>java.lang.Integer</td></tr>
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* <tr><td>lockedStackDepth</td><td>java.lang.Integer</td></tr>
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* <tr><td>lockedStackFrame</td><td>javax.management.openmbean.CompositeData
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* </td></tr>
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* </table>
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* <p>
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* The stack trace is further described as:
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* </p>
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* <table>
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* <th><td>Name</td><td>Type</td></th>
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* <tr><td>className</td><td>java.lang.String</td></tr>
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* <tr><td>methodName</td><td>java.lang.String</td></tr>
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* <tr><td>fileName</td><td>java.lang.String</td></tr>
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* <tr><td>lineNumber</td><td>java.lang.Integer</td></tr>
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* <tr><td>nativeMethod</td><td>java.lang.Boolean</td></tr>
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* </table>
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*
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* @param data the composite data structure to take values from.
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* @return a new instance containing the values from the
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* composite data structure, or <code>null</code>
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* if the data structure was also <code>null</code>.
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* @throws IllegalArgumentException if the composite data structure
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* does not match the structure
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* outlined above.
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*/
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public static MonitorInfo from(CompositeData data)
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{
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if (data == null)
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return null;
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CompositeType type = data.getCompositeType();
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ThreadInfo.checkAttribute(type, "ClassName", SimpleType.STRING);
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ThreadInfo.checkAttribute(type, "IdentityHashCode", SimpleType.INTEGER);
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ThreadInfo.checkAttribute(type, "LockedStackDepth", SimpleType.INTEGER);
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ThreadInfo.checkAttribute(type, "LockedStackFrame",
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ThreadInfo.getStackTraceType());
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CompositeData frame = (CompositeData) data.get("LockedStackFrame");
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return new MonitorInfo((String) data.get("ClassName"),
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(Integer) data.get("IdentityHashCode"),
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(Integer) data.get("LockedStackDepth"),
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new StackTraceElement((String) frame.get("ClassName"),
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(String) frame.get("MethodName"),
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(String) frame.get("FileName"),
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(Integer) frame.get("LineNumber")));
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}
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/**
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* Returns the depth of the stack at which the lock was obtained.
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* This works as an index into the array returned by
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* {@link ThreadInfo#getStackTrace()}.
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*
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* @return the depth of the stack at which the lock was obtained,
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* or a negative number if this information is unavailable.
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*/
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public int getLockedStackDepth()
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{
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return stackDepth;
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}
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/**
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* Returns the stack frame at which the lock was obtained.
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*
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* @return the stack frame at which the lock was obtained,
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* or <code>null</code> if this informati0on is unavailable.
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*/
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public StackTraceElement getLockedStackFrame()
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{
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return stackFrame;
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}
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}
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