allow thread safety tests to time out without failing
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Key: STDCXX-536
URL: https://issues.apache.org/jira/browse/STDCXX-536
Project: C++ Standard Library
Issue Type: Improvement
Components: Tests
Affects Versions: trunk
Reporter: Martin Sebor
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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