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From "Nikolay Kuznetsov (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-1950) [DRLVM][JVMTI] Java methods called from JVMTI functions should not generate events
Date Tue, 24 Oct 2006 15:00:17 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-1950?page=all ]

Nikolay Kuznetsov updated HARMONY-1950:
---------------------------------------

    Attachment: events.patch

Attached patch fixes this problem, the thread local flag is maintained indicating if TI events
should be generated. This flag is checked by ti->isEnabled() thus JVMTI event are not being
triggered by this particular thread while wile events are locally disabled.


> [DRLVM][JVMTI] Java methods called from JVMTI functions should not generate events
> ----------------------------------------------------------------------------------
>
>                 Key: HARMONY-1950
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1950
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>            Reporter: Nikolay Kuznetsov
>         Attachments: events.patch
>
>
> Several JVMTI functions call java methods during their execution(to query j.l.Thread
state for instance). If SINGLE_STEP or METHOD_ENTRY/EXIT events are enabled, this may result
in generating these events for internal calls to these java methods. 
> While JVMTI spec says nothing about execution of Java code in JVMTI functions, reference
implementation does not generates such events. Moreover those
> functions generates events which does not reflect user code behavior and may mislead
user JVMTI agents.
> Thus calling Java code from JVMTI function should not result in generating events.

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