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From "Gregory Shimansky (JIRA)" <j...@apache.org>
Subject [jira] Closed: (HARMONY-4045) [drlvm][classloader][tc]Known/proven race conditions markup at vm\vmcore\src\class_support\method_lookup.cpp at find function
Date Fri, 22 Jun 2007 14:44:27 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-4045?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gregory Shimansky closed HARMONY-4045.
--------------------------------------


No response, assuming ok.

> [drlvm][classloader][tc]Known/proven race conditions markup at vm\vmcore\src\class_support\method_lookup.cpp
at find function
> -----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-4045
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4045
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>            Reporter: Ilya Leviev
>            Assignee: Gregory Shimansky
>         Attachments: HARMONY-4045_add_markup.patch
>
>
> Known/proven race conditions markup at vm\vmcore\src\class_support\method_lookup.cpp
at find function.
> TC report on thread unsafe access that result in race conditions that occur during execution
of find function.
> Data-races: 
> Memory write at "method_lookup.cpp":241 conflicts with a prior memory read at "method_lookup.cpp":241
> 	#ifdef VM_STATS
>  241        VM_Statistics::get_vm_stats().num_method_lookup_cache_miss++;
> 	#endif //VM_STATS
> As issue related to vm statistic data collection in debug mode and it not affect correctness
of execution I have marked it by special API for prevention of further alarms on this race.


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