Fix real_time test for Python 2 #204
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This was referenced Aug 7, 2019
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At least one of the test flakes is due to #191. |
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This PR was subsumed into #205 |
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On CPython < 3.5, system calls may be interrupted with EINTR when a signal is received (see PEP-475). In particular,
sleepis not retried after SIGALRM, even if requested withSA_RESTART(see:signal(7)).This updates and re-enables the
test_vmprof_real_timetest by retrying (if necessary) until the requested time has elapsed. A proper solution for #159 on Python 2 would require a more significant update to not useSIGALRM, and having the tests re-enabled first seemed like a good start.Ref #159 and #202.