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From "Travis Vitek (JIRA)" <j...@apache.org>
Subject [jira] Issue Comment Edited: (STDCXX-536) allow thread safety tests to time out without failing
Date Tue, 11 Mar 2008 16:26:46 GMT

    [ https://issues.apache.org/jira/browse/STDCXX-536?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12526312#action_12526312
] 

vitek edited comment on STDCXX-536 at 3/11/08 9:24 AM:
--------------------------------------------------------------

{noformat}
2007-09-10  Travis Vitek  <vitek@roguewave.com>

	STDCXX-536
	rw_timeout.h: New file declares timeout functions used by
	tests.
	opt_timeout.h: New file declares timeout functions used by
	the test suite driver.
	opt_timeout.cpp: New file defines timeout functions used by
	the test suite driver.
	driver.cpp (rw_vtest): setup new command line options,
	enable and disable alarm for timeout.
	22.locale.messages.mt.cpp (thread_func): use timeout to
	let test threads exit early.
{noformat}

      was (Author: vitek):
    2007-09-10  Travis Vitek  <vitek@roguewave.com>

	STDCXX-536
	rw_timeout.h: New file declares timeout functions used by
	tests.
	opt_timeout.h: New file declares timeout functions used by
	the test suite driver.
	opt_timeout.cpp: New file defines timeout functions used by
	the test suite driver.
	driver.cpp (rw_vtest): setup new command line options,
	enable and disable alarm for timeout.
	22.locale.messages.mt.cpp (thread_func): use timeout to
	let test threads exit early.
  
> 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: 4.2.1
>
>         Attachments: stdcxx-536.patch
>
>
> 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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