[ https://issues.apache.org/jira/browse/HARMONY-4937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
weldon washburn updated HARMONY-4937:
-------------------------------------
Attachment: H4937_test002.patch
H4937_test002.patch contains substantial cleanup of the original prototype. It now runs
successfully for 10 hours on a 2-way * 2HT win32 SMP.
> [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, H4937_test002.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
way:
> 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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