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libjava/classpath/ChangeLog.gcj:

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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
This commit is contained in:
Matthias Klose 2007-06-03 23:18:43 +00:00
parent af333b9a7f
commit e1bea0c068
2951 changed files with 80982 additions and 68583 deletions
Download patch file Download diff file Expand all files Collapse all files

167
libjava/classpath/java/lang/management/ThreadMXBean.java
View file

@ -57,20 +57,30 @@ package java.lang.management;
* <p>
* This bean supports some optional behaviour, which all
* virtual machines may not choose to implement. Specifically,
* this includes the monitoring of the CPU time used by a
* thread, and the monitoring of thread contention. The former
* is further subdivided into the monitoring of either just
* the current thread or all threads. The methods
* this includes the monitoring of:
* </p>
* <ul>
* <li>the CPU time used by a thread</li>
* <li>thread contention</li>
* <li>object monitor usage</li>
* <li>ownable synchronizer usage</li>
* </ul>
* <p>
* The monitoring of CPU time is further subdivided into
* the monitoring of either just the current thread or all
* threads. The methods
* {@link #isThreadCpuTimeSupported()},
* {@link #isCurrentThreadCpuTimeSupported()} and
* {@link #isThreadContentionMonitoringSupported()} may be
* {@link #isCurrentThreadCpuTimeSupported()}
* {@link #isThreadContentionMonitoringSupported()},
* {@link #isObjectMonitorUsageSupported()} and
* {@link #isSynchronizerUsageSupported()} may be
* used to determine whether or not this functionality is
* supported.
* </p>
* <p>
* Furthermore, both these facilities may be disabled.
* In fact, thread contention monitoring is disabled by
* default, and must be explictly turned on by calling
* Furthermore, both time and contention monitoring may be
* disabled. In fact, thread contention monitoring is disabled
* by default, and must be explictly turned on by calling
* the {@link #setThreadContentionMonitoringEnabled(boolean)}
* method.
* </p>
@ -81,6 +91,70 @@ package java.lang.management;
public interface ThreadMXBean
{
/**
* This method returns information on all live threads at the
* time of execution (some threads may have terminated by the
* time the method completes). This method is simply a shorthand
* for calling {@link #getThreadInfo(long[], boolean,
* boolean)} with the return value of {@link #getAllThreadIds()}.
*
* @param lockedMonitors true if the returned {@link ThreadInfo}
* objects should contain information on
* locked monitors.
* @param lockedSynchronizers true if the returned {@link ThreadInfo}
* objects should contain information
* on locked ownable synchronizers.
* @return an array of {@link ThreadInfo} objects for all live threads.
* @throws SecurityException if a security manager exists and
* denies ManagementPermission("monitor").
* @throws UnsupportedOperationException if <code>lockedMonitors</code>
* is true, but object monitor
* usage monitoring is not supported
* by the VM, or
* <code>lockedSynchronizers</code>
* is true, but ownable synchronizer
* usage monitoring is not supported
* by the VM.
* @since 1.6
* @see #getThreadInfo(long[], boolean, boolean)
* @see #getAllThreadIds()
* @see #isObjectMonitorUsageSupported()
* @see #isSynchronizerUsageSupported()
*/
ThreadInfo[] dumpAllThreads(boolean lockedMonitors,
boolean lockedSynchronizers);
/**
* <p>
* This method obtains a list of threads which are deadlocked
* waiting to obtain monitor or ownable synchronizer ownership.
* This is similar to the behaviour described for
* {@link #getMonitorDeadlockedThreads()}, except this method also
* takes in to account deadlocks involving ownable synchronizers.
* </p>
* <p>
* Note that this method is not designed for controlling
* synchronization, but for troubleshooting problems which cause such
* deadlocks; it may be prohibitively expensive to use in normal
* operation. If only deadlocks involving monitors are of interest,
* then {@link #findMonitorDeadlockedThreads()} should be used in
* preference to this method.
* </p>
*
* @return an array of thread identifiers, corresponding to threads
* which are currently in a deadlocked situation, or
* <code>null</code> if there are no deadlocks.
* @throws SecurityException if a security manager exists and
* denies ManagementPermission("monitor").
* @throws UnsupportedOperationException if the VM does not support
* the monitoring of ownable
* synchronizer usage.
* @since 1.6
* @see #findMonitorDeadlockedThreads()
* @see #isSynchronizerUsageSupported()
*/
long[] findDeadlockedThreads();
/**
* <p>
* This method obtains a list of threads which are deadlocked
@ -115,13 +189,17 @@ public interface ThreadMXBean
* of A and B. Note that this method is not designed for controlling
* synchronization, but for troubleshooting problems which cause such
* deadlocks; it may be prohibitively expensive to use in normal
* operation.
* operation. This method only returns deadlocks involving monitors;
* to include deadlocks involving ownable synchronizers,
* {@link #findDeadlockedThreads()} should be used instead.
* </p>
*
* @return an array of thread identifiers, corresponding to threads
* which are currently in a deadlocked situation.
* which are currently in a deadlocked situation, or
* <code>null</code> if there are no deadlocks.
* @throws SecurityException if a security manager exists and
* denies ManagementPermission("monitor").
* @see #findDeadlockedThreads()
*/
long[] findMonitorDeadlockedThreads();
@ -284,6 +362,53 @@ public interface ThreadMXBean
*/
ThreadInfo[] getThreadInfo(long[] ids);
/**
* Returns information on the specified threads with full
* stack trace information and optional synchronization
* information. If <code>lockedMonitors</code> is false,
* or there are no locked monitors for a particular thread,
* then the corresponding {@link ThreadInfo} object will have
* an empty {@link MonitorInfo} array. Likewise, if
* <code>lockedSynchronizers</code> is false, or there are
* no locked ownable synchronizers for a particular thread,
* then the corresponding {@link ThreadInfo} object will have
* an empty {@link LockInfo} array. If both
* <code>lockedMonitors</code> and <code>lockedSynchronizers</code>
* are false, the return value is equivalent to that from
* <code>{@link #getThreadInfo}(ids, Integer.MAX_VALUE)</code>.
* If an identifier specifies a thread which is either non-existant
* or not alive, then the corresponding element in the returned
* array is <code>null</code>.
*
* @param ids an array of thread identifiers to return information
* on.
* @param lockedMonitors true if information on locked monitors
* should be included.
* @param lockedSynchronizers true if information on locked
* ownable synchronizers should be included.
* @return an array of {@link ThreadInfo} objects matching the
* specified threads. The corresponding element is
* <code>null</code> if the identifier specifies
* a thread that doesn't exist or is not alive.
* @throws IllegalArgumentException if an identifier in the array is
* <= 0.
* @throws SecurityException if a security manager exists and
* denies ManagementPermission("monitor").
* @throws UnsupportedOperationException if <code>lockedMonitors</code>
* is true, but object monitor
* usage monitoring is not supported
* by the VM, or
* <code>lockedSynchronizers</code>
* is true, but ownable synchronizer
* usage monitoring is not supported
* by the VM.
* @since 1.6
* @see #isObjectMonitorUsageSupported()
* @see #isSynchronizerUsageSupported()
*/
ThreadInfo[] getThreadInfo(long[] ids, boolean lockedMonitors,
boolean lockedSynchronizers);
/**
* Returns information on the specified thread with
* stack trace information to the supplied depth. If the
@ -389,6 +514,26 @@ public interface ThreadMXBean
*/
boolean isCurrentThreadCpuTimeSupported();
/**
* Returns true if the virtual machine supports the monitoring
* of object monitor usage.
*
* @return true if the monitoring of object monitor usage
* is supported by the virtual machine.
* @since 1.6
*/
boolean isObjectMonitorUsageSupported();
/**
* Returns true if the virtual machine supports the monitoring
* of ownable synchronizer usage.
*
* @return true if the monitoring of ownable synchronizer usage
* is supported by the virtual machine.
* @since 1.6
*/
boolean isSynchronizerUsageSupported();
/**
* Returns true if thread contention monitoring is currently
* enabled.