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From "Ilya Leviev (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-4025) [drlvm][jit][tc]Known/proven race conditions markup at vmcore\src\jit\jit_runtime_support.cpp at rth_type_test_update_stats and rth_update_instanceof_stats functions
Date Fri, 01 Jun 2007 12:36:15 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-4025?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ilya Leviev updated HARMONY-4025:
---------------------------------

    Attachment: HARMONY-4025_add_markup.patch

> [drlvm][jit][tc]Known/proven race conditions markup at vmcore\src\jit\jit_runtime_support.cpp
at rth_type_test_update_stats and rth_update_instanceof_stats functions
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-4025
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4025
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>            Reporter: Ilya Leviev
>         Attachments: HARMONY-4025_add_markup.patch
>
>
> Known/proven race conditions markup at vmcore\src\jit\jit_runtime_support.cpp at rth_type_test_update_stats
and rth_update_instanceof_stats functions
> TC report on thread unsafe access that result in race conditions that occur during execution
of rth_type_test_update_stats and rth_update_instanceof_stats functions
> Data-races: 
> Memory read at "jit_runtime_support.cpp":351 conflicts with a prior memory write at "jit_runtime_support.cpp":351
> Memory read at "jit_runtime_support.cpp":353 conflicts with a prior memory write at "jit_runtime_support.cpp":353
> Memory write at "jit_runtime_support.cpp":355 conflicts with a prior memory write at
"jit_runtime_support.cpp":355
> Memory read at "jit_runtime_support.cpp":388 conflicts with a prior memory write at "jit_runtime_support.cpp":388
> Memory read at "jit_runtime_support.cpp":390 conflicts with a prior memory write at "jit_runtime_support.cpp":390
> As issues related to vm statistic data collection in debug mode and it not affect correctness
of execution I mark it by special API for prevention of further alarms on this race. 

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