Name: rmT116609 Date: 05/24/2004


FULL PRODUCT VERSION :
java version "1.5.0-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-beta-b32c)
Java HotSpot(TM) Client VM (build 1.5.0-beta-b32c, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows XP [Version 5.1.2600]

A DESCRIPTION OF THE PROBLEM :
As Bugs 4375402 and 4593133 request there should be methods added to so that developers could provide the same output as Control-Break and Control-/ do today. In order to do that the code must provide a way to list all the lock monitors a thread holds. However, ThreadInfo only contains methods getLockName(), getLockOwnerId(), and getLockOwnerName() which appear only to list a single lock monitor. Threads can hold many lock monitors at once. Add a method to StackTraceElement like Object[] getActiveLocks() which represent the lock monitors obtained within this stack frame by the thread. That would more accurately reflect the output of Control-Break and Control-/. At least add a method to ThreadInfo like Object[] getLockMonitors() so a user could simply call that method to get all the lock monitors a thread owns.


(Incident Review ID: 270719)
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