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Posted to commits@harmony.apache.org by "Nikolay Kuznetsov (JIRA)" <ji...@apache.org> on 2006/10/10 20:59:21 UTC
[jira] Created: (HARMONY-1816) [DRLVM] drlvm counts non daemon
threads incorrectly
[DRLVM] drlvm counts non daemon threads incorrectly
---------------------------------------------------
Key: HARMONY-1816
URL: http://issues.apache.org/jira/browse/HARMONY-1816
Project: Harmony
Issue Type: Bug
Reporter: Nikolay Kuznetsov
There are several problems with non demon(those which vm should wait before destroing itself) threads counting in drlvm:
1. Non daemon threads count being increased by the thread being run
This leads to the problem that main thread may finish w/o waiting for the child non-daemon thread;
2. Main thread waiting while number of non daemon threads will be equal to zero, while the main thread itself also non daemon thread
(waiting method checks at enter that thread count should be <= 1, but waits on condition while count ==0)
Basically this causes vm to hang at shutdown if child thread works longer than main method.
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[jira] Updated: (HARMONY-1816) [DRLVM] drlvm counts non daemon
threads incorrectly
Posted by "Nikolay Kuznetsov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1816?page=all ]
Nikolay Kuznetsov updated HARMONY-1816:
---------------------------------------
Attachment: Test1.java
Attached test demonstrates the problem. It may finish w/o waiting for the thread being run(uncomment commented sleep in this case) or just hang if main method finishes after thread has been already started but hasn't finished yet.
> [DRLVM] drlvm counts non daemon threads incorrectly
> ---------------------------------------------------
>
> Key: HARMONY-1816
> URL: http://issues.apache.org/jira/browse/HARMONY-1816
> Project: Harmony
> Issue Type: Bug
> Reporter: Nikolay Kuznetsov
> Attachments: Test1.java
>
>
> There are several problems with non demon(those which vm should wait before destroing itself) threads counting in drlvm:
> 1. Non daemon threads count being increased by the thread being run
> This leads to the problem that main thread may finish w/o waiting for the child non-daemon thread;
> 2. Main thread waiting while number of non daemon threads will be equal to zero, while the main thread itself also non daemon thread
> (waiting method checks at enter that thread count should be <= 1, but waits on condition while count ==0)
> Basically this causes vm to hang at shutdown if child thread works longer than main method.
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[jira] Commented: (HARMONY-1816) [DRLVM] drlvm counts non daemon
threads incorrectly
Posted by "Geir Magnusson Jr (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1816?page=comments#action_12442306 ]
Geir Magnusson Jr commented on HARMONY-1816:
--------------------------------------------
Never mind. It does.
> [DRLVM] drlvm counts non daemon threads incorrectly
> ---------------------------------------------------
>
> Key: HARMONY-1816
> URL: http://issues.apache.org/jira/browse/HARMONY-1816
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Reporter: Nikolay Kuznetsov
> Attachments: HARMONY-1816.patch, Test1.java
>
>
> There are several problems with non demon(those which vm should wait before destroing itself) threads counting in drlvm:
> 1. Non daemon threads count being increased by the thread being run
> This leads to the problem that main thread may finish w/o waiting for the child non-daemon thread;
> 2. Main thread waiting while number of non daemon threads will be equal to zero, while the main thread itself also non daemon thread
> (waiting method checks at enter that thread count should be <= 1, but waits on condition while count ==0)
> Basically this causes vm to hang at shutdown if child thread works longer than main method.
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[jira] Updated: (HARMONY-1816) [DRLVM] drlvm counts non daemon
threads incorrectly
Posted by "Geir Magnusson Jr (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1816?page=all ]
Geir Magnusson Jr updated HARMONY-1816:
---------------------------------------
Component/s: DRLVM
> [DRLVM] drlvm counts non daemon threads incorrectly
> ---------------------------------------------------
>
> Key: HARMONY-1816
> URL: http://issues.apache.org/jira/browse/HARMONY-1816
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Reporter: Nikolay Kuznetsov
> Attachments: HARMONY-1816.patch, Test1.java
>
>
> There are several problems with non demon(those which vm should wait before destroing itself) threads counting in drlvm:
> 1. Non daemon threads count being increased by the thread being run
> This leads to the problem that main thread may finish w/o waiting for the child non-daemon thread;
> 2. Main thread waiting while number of non daemon threads will be equal to zero, while the main thread itself also non daemon thread
> (waiting method checks at enter that thread count should be <= 1, but waits on condition while count ==0)
> Basically this causes vm to hang at shutdown if child thread works longer than main method.
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[jira] Commented: (HARMONY-1816) [DRLVM] drlvm counts non daemon
threads incorrectly
Posted by "Elena Semukhina (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1816?page=comments#action_12441926 ]
Elena Semukhina commented on HARMONY-1816:
------------------------------------------
I tried the patch together with HARMONY-1592 and HARMONY-1823.
They eiminate recent classlib tests pass rate degradation.
drlvm smoke, cunit, kernel pass.
> [DRLVM] drlvm counts non daemon threads incorrectly
> ---------------------------------------------------
>
> Key: HARMONY-1816
> URL: http://issues.apache.org/jira/browse/HARMONY-1816
> Project: Harmony
> Issue Type: Bug
> Reporter: Nikolay Kuznetsov
> Attachments: HARMONY-1816.patch, Test1.java
>
>
> There are several problems with non demon(those which vm should wait before destroing itself) threads counting in drlvm:
> 1. Non daemon threads count being increased by the thread being run
> This leads to the problem that main thread may finish w/o waiting for the child non-daemon thread;
> 2. Main thread waiting while number of non daemon threads will be equal to zero, while the main thread itself also non daemon thread
> (waiting method checks at enter that thread count should be <= 1, but waits on condition while count ==0)
> Basically this causes vm to hang at shutdown if child thread works longer than main method.
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[jira] Resolved: (HARMONY-1816) [DRLVM] drlvm counts non daemon
threads incorrectly
Posted by "Geir Magnusson Jr (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1816?page=all ]
Geir Magnusson Jr resolved HARMONY-1816.
----------------------------------------
Resolution: Fixed
r463973
Ubuntu 6 - testcase, smoke, c-unit, ~kernel
> [DRLVM] drlvm counts non daemon threads incorrectly
> ---------------------------------------------------
>
> Key: HARMONY-1816
> URL: http://issues.apache.org/jira/browse/HARMONY-1816
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Reporter: Nikolay Kuznetsov
> Assigned To: Geir Magnusson Jr
> Attachments: HARMONY-1816.patch, Test1.java
>
>
> There are several problems with non demon(those which vm should wait before destroing itself) threads counting in drlvm:
> 1. Non daemon threads count being increased by the thread being run
> This leads to the problem that main thread may finish w/o waiting for the child non-daemon thread;
> 2. Main thread waiting while number of non daemon threads will be equal to zero, while the main thread itself also non daemon thread
> (waiting method checks at enter that thread count should be <= 1, but waits on condition while count ==0)
> Basically this causes vm to hang at shutdown if child thread works longer than main method.
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[jira] Updated: (HARMONY-1816) [DRLVM] drlvm counts non daemon
threads incorrectly
Posted by "Nikolay Kuznetsov (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1816?page=all ]
Nikolay Kuznetsov updated HARMONY-1816:
---------------------------------------
Attachment: HARMONY-1816.patch
Attach patch fixes the problem with non daemon threads counting.
> [DRLVM] drlvm counts non daemon threads incorrectly
> ---------------------------------------------------
>
> Key: HARMONY-1816
> URL: http://issues.apache.org/jira/browse/HARMONY-1816
> Project: Harmony
> Issue Type: Bug
> Reporter: Nikolay Kuznetsov
> Attachments: HARMONY-1816.patch, Test1.java
>
>
> There are several problems with non demon(those which vm should wait before destroing itself) threads counting in drlvm:
> 1. Non daemon threads count being increased by the thread being run
> This leads to the problem that main thread may finish w/o waiting for the child non-daemon thread;
> 2. Main thread waiting while number of non daemon threads will be equal to zero, while the main thread itself also non daemon thread
> (waiting method checks at enter that thread count should be <= 1, but waits on condition while count ==0)
> Basically this causes vm to hang at shutdown if child thread works longer than main method.
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[jira] Commented: (HARMONY-1816) [DRLVM] drlvm counts non daemon
threads incorrectly
Posted by "Geir Magnusson Jr (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1816?page=comments#action_12442305 ]
Geir Magnusson Jr commented on HARMONY-1816:
--------------------------------------------
I can't get this test case to fail. Ubuntu 6, r463956
> [DRLVM] drlvm counts non daemon threads incorrectly
> ---------------------------------------------------
>
> Key: HARMONY-1816
> URL: http://issues.apache.org/jira/browse/HARMONY-1816
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Reporter: Nikolay Kuznetsov
> Attachments: HARMONY-1816.patch, Test1.java
>
>
> There are several problems with non demon(those which vm should wait before destroing itself) threads counting in drlvm:
> 1. Non daemon threads count being increased by the thread being run
> This leads to the problem that main thread may finish w/o waiting for the child non-daemon thread;
> 2. Main thread waiting while number of non daemon threads will be equal to zero, while the main thread itself also non daemon thread
> (waiting method checks at enter that thread count should be <= 1, but waits on condition while count ==0)
> Basically this causes vm to hang at shutdown if child thread works longer than main method.
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[jira] Closed: (HARMONY-1816) [DRLVM] drlvm counts non daemon
threads incorrectly
Posted by "Geir Magnusson Jr (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1816?page=all ]
Geir Magnusson Jr closed HARMONY-1816.
--------------------------------------
> [DRLVM] drlvm counts non daemon threads incorrectly
> ---------------------------------------------------
>
> Key: HARMONY-1816
> URL: http://issues.apache.org/jira/browse/HARMONY-1816
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Reporter: Nikolay Kuznetsov
> Assigned To: Geir Magnusson Jr
> Attachments: HARMONY-1816.patch, Test1.java
>
>
> There are several problems with non demon(those which vm should wait before destroing itself) threads counting in drlvm:
> 1. Non daemon threads count being increased by the thread being run
> This leads to the problem that main thread may finish w/o waiting for the child non-daemon thread;
> 2. Main thread waiting while number of non daemon threads will be equal to zero, while the main thread itself also non daemon thread
> (waiting method checks at enter that thread count should be <= 1, but waits on condition while count ==0)
> Basically this causes vm to hang at shutdown if child thread works longer than main method.
--
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[jira] Assigned: (HARMONY-1816) [DRLVM] drlvm counts non daemon
threads incorrectly
Posted by "Geir Magnusson Jr (JIRA)" <ji...@apache.org>.
[ http://issues.apache.org/jira/browse/HARMONY-1816?page=all ]
Geir Magnusson Jr reassigned HARMONY-1816:
------------------------------------------
Assignee: Geir Magnusson Jr
> [DRLVM] drlvm counts non daemon threads incorrectly
> ---------------------------------------------------
>
> Key: HARMONY-1816
> URL: http://issues.apache.org/jira/browse/HARMONY-1816
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Reporter: Nikolay Kuznetsov
> Assigned To: Geir Magnusson Jr
> Attachments: HARMONY-1816.patch, Test1.java
>
>
> There are several problems with non demon(those which vm should wait before destroing itself) threads counting in drlvm:
> 1. Non daemon threads count being increased by the thread being run
> This leads to the problem that main thread may finish w/o waiting for the child non-daemon thread;
> 2. Main thread waiting while number of non daemon threads will be equal to zero, while the main thread itself also non daemon thread
> (waiting method checks at enter that thread count should be <= 1, but waits on condition while count ==0)
> Basically this causes vm to hang at shutdown if child thread works longer than main method.
--
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