From a850dd23822bd7a67e1f660f2cd056ea29852a81 Mon Sep 17 00:00:00 2001
From: Andrew John Hughes <gnu_andrew@member.fsf.org>
Date: Mon, 25 Dec 2006 23:58:51 +0000
Subject: 2006-12-25  Andrew John Hughes  <gnu_andrew@member.fsf.org>

	* doc/vmintegration.texinfo:
	Updated to match new threading bean API.
	* gnu/java/lang/management/ThreadMXBeanImpl.java:
	(MONITOR_SUPPORT): New constant for object monitor
	lock support property.
	(SYNCHRONIZER_SUPPORT): New constant for ownable
	synchronizer lock support property.
	(dumpAllThreads(boolean,boolean)): Implemented.
	(findDeadlockedThreads()): Likewise.
	(getThreadInfo(long[],boolean,boolean)): Likewise.
	(isObjectMonitorUsageSupported()): Likewise.
	(isSynchronizerUsageSupported()): Likewise.
	* java/lang/management/ThreadInfo.java:
	(ThreadInfo(Thread,long,long,Object,Thread,long,
	long,boolean,boolean,StackTraceElement[],
	MonitorInfo[], LockInfo[])): New constructor.
	(ThreadInfo(long,String,Thread.State,long,long,
	String,long,String,long,long,boolean,boolean,
	StackTraceElement[],MonitorInfo[], LockInfo[])):
	Likewise.
	(from(CompositeData)): Updated to handle new attributes.
	(getLockedMonitors()): Implemented.
	(getLockedSynchronizers()): Likewise.
	(getLockInfo()): Likewise.
	(getLockName()): Handle blocking as documented in 1.6
	(getLockOwnerId()): Likewise.
	(getLockOwnerName()): Likewise.
	(toString()): Likewise.
	(isThreadBlocked()): Thread blocked check based on
	documented 1.6 semantics.
	* java/lang/management/ThreadMXBean.java:
	(dumpAllThreads(boolean,boolean)): Implemented.
	(findDeadlockedThreads()): Likewise.
	(getThreadInfo(long[],boolean,boolean)): Likewise.
	(isObjectMonitorUsageSupported()): Likewise.
	(isSynchronizerUsageSupported()): Likewise.
	* vm/reference/gnu/java/lang/management/VMThreadMXBeanImpl.java:
	(findDeadlockedThreads()): New native method.
	(getLockInfo(ThreadInfo)): Likewise.
	(getMonitorInfo(ThreadInfo)): Likewise.
---
 .../java/lang/management/VMThreadMXBeanImpl.java   | 29 ++++++++++++++++++++++
 1 file changed, 29 insertions(+)

(limited to 'vm')

diff --git a/vm/reference/gnu/java/lang/management/VMThreadMXBeanImpl.java b/vm/reference/gnu/java/lang/management/VMThreadMXBeanImpl.java
index c5bcb6310..1c061aa93 100644
--- a/vm/reference/gnu/java/lang/management/VMThreadMXBeanImpl.java
+++ b/vm/reference/gnu/java/lang/management/VMThreadMXBeanImpl.java
@@ -58,6 +58,16 @@ final class VMThreadMXBeanImpl
    */
   private static int filled;
 
+  /**
+   * Returns the ids of cycles of deadlocked threads, occurring
+   * due to monitor ownership or ownable synchronizer ownership.
+   * This will only be called if ownable synchronizer monitoring
+   * is supported.
+   *
+   * @return the ids of the deadlocked threads.
+   */
+  static native long[] findDeadlockedThreads();
+
   /**
    * Returns the ids of cycles of deadlocked threads, occurring
    * due to monitor ownership.
@@ -137,6 +147,25 @@ final class VMThreadMXBeanImpl
     return daemonCount;
   }
 
+  /**
+   * Fill out the given {@link ThreadInfo} object
+   * with ownable synchronizer usage information.
+   * This is only called if ownable synchronizer
+   * usage monitoring is supported.
+   *
+   * @param info the {@link ThreadInfo} object to modify.
+   */
+  static native void getLockInfo(ThreadInfo info);
+
+  /**
+   * Fill out the given {@link ThreadInfo} object
+   * with monitor usage information.  This is only
+   * called if monitor usage monitoring is supported.
+   *
+   * @param info the {@link ThreadInfo} object to modify.
+   */
+  static native void getMonitorInfo(ThreadInfo info);
+
   /**
    * Returns the current peak number of live threads.
    *
-- 
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