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  1. JDK
  2. JDK-5052099

ThreadInfo class doesn't contain a method to list all lock monitors

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    Details

    • Type: Enhancement
    • Status: Closed
    • Priority: P3
    • Resolution: Duplicate
    • Affects Version/s: 5.0
    • Fix Version/s: None
    • Component/s: core-svc
    • Labels:

      Description

      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)
      ======================================================================
      ###@###.### 10/13/04 20:52 GMT

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              Assignee:
              mchung Mandy Chung
              Reporter:
              rmandalasunw Ranjith Mandala (Inactive)
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