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From "Pavel Rebriy (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-1706) [drlvm][jvmti] Improved synchronization of single step state access
Date Thu, 05 Oct 2006 07:55:20 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-1706?page=all ]

Pavel Rebriy updated HARMONY-1706:

    Attachment: Improved-synchronization-of-single-step-state-access.patch

The patch improves single step state synchronization and solves the problem with dead lock.

> [drlvm][jvmti] Improved synchronization of single step state access
> -------------------------------------------------------------------
>                 Key: HARMONY-1706
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1706
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>            Reporter: Pavel Rebriy
>         Attachments: Improved-synchronization-of-single-step-state-access.patch
> Here is a synchronization problem during processing Single Step breakpoints. One thread
gets lock and tries to suspend other threads, while the second thread is not in safe region,
tries to get the same lock and cannot reach safe point. So, there is a dead lock.

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