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From "weldon washburn (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-4937) [drlvm][thread] suspend_enable()/suspend_disable() race condition detector
Date Tue, 23 Oct 2007 04:58:50 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-4937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

weldon washburn updated HARMONY-4937:

    Attachment: test_native_exp_sync.c

fixed several  implementation bugs

> [drlvm][thread] suspend_enable()/suspend_disable() race condition detector
> --------------------------------------------------------------------------
>                 Key: HARMONY-4937
>                 URL: https://issues.apache.org/jira/browse/HARMONY-4937
>             Project: Harmony
>          Issue Type: Sub-task
>          Components: DRLVM
>            Reporter: Pavel Rebriy
>         Attachments: H4937_test.patch, test_native_exp_sync.c, test_native_exp_sync.c
> This is an experimental issue. Its goal is to define race condition in present suspend_disable/suspend_enable
mechanism and to develop a new one.
> The issue is implemented as cunit test which based on DRLVM. Test works in the following
> Main thread (see function test_exp_sync()) starts 1 tested thread (see function test_thread_proc()),
several GC requester threads (see function test_gc_request_thread_proc()) and several JAVA
requester threads (see function test_java_request_thread_proc()). Tested thread makes suspend_disable()/suspend_enable()
in a loop. Requester threads ask GC or JAVA suspend()/resume() tested thread properly. Main
thread controls the execution.
> By default test is base on hythread functionality. If define TESTED_RUN is changed to
1, tested functionality will be used. Tested functionality is base on algorithm which describes
in HARMONY-4908.
> To check the test need to complete the following steps:
> 1. Apply the patch:
>      $ cd <harmony>/working_vm
>      $ patch -p1 -i test.patch
> 2. Build DRLVM:
>      $ cd build
>      $ ./build.bat
> 3. Build and run cunit test:
>      $ ./build.bat cunit.test
> The result of running will be in <harmony>/working_vm/build/win_ia32_msvc_debug/tests/cunit.tests/results.

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