[ https://issues.apache.org/jira/browse/STDCXX-536?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12595660#action_12595660 ] 

elemings edited comment on STDCXX-536 at 5/9/08 9:22 AM:
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I agree with Martin's concerns on mixing threads and signals.  I would suggest using a messaging framework; it would be safer but would require even more infrastructure.  As a starter for resolving this issue however, we should try Travis' approach since it most likely better than the current paradigm.

      was (Author: elemings):
    I agree with Martin's concerns on mixing threads and signals.  I would suggest using a messaging framework; it would be safer but would require more infrastructure.  As a starter for resolving this issue, we should try Travis' approach since it most likely better than the current paradigm.
  
> allow thread safety tests to time out without failing
> -----------------------------------------------------
>
>                 Key: STDCXX-536
>                 URL: https://issues.apache.org/jira/browse/STDCXX-536
>             Project: C++ Standard Library
>          Issue Type: Improvement
>          Components: Tests
>    Affects Versions: 4.2.0
>            Reporter: Martin Sebor
>            Assignee: Travis Vitek
>             Fix For: 4.2.2
>
>         Attachments: stdcxx-536.patch
>
>   Original Estimate: 3h
>          Time Spent: 4h
>  Remaining Estimate: 0h
>
> The newly added thread safety tests (and possibly some of the existing ones) tend to run for a long time, consuming a lot of CPU cycles, and sometimes even failing due to a timeout (currently 300 seconds in nightly builds). It would be useful to provide a mechanism such as a command line option whereby the tests' runtime could be limited without necessarily causing them to fail when the amount of time is exceeded. One way to do it would be for each test to set an alarm in response to this command line option and in handler for the alarm set a flag that each thread would check at each iteration of its loop to see if it should break.

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