[issue19575] subprocess.Popen with multiple threads: Redirected stdout/stderr files still open after process close
Bernt Røskar Brenna
report at bugs.python.org
Mon Nov 18 10:30:54 CET 2013
Bernt Røskar Brenna added the comment:
I just tested on 3.4a0.
Observed the following changes:
- subprocess_devnull now NEVER fails.
- subprocess_redirfile does not fail as often as before, but still fails.
I changed the number of tasks to 20 and increased max_workers to 5 to get subprocess_redirfile to fail at least one of twenty times every time I invoked the test script.
A typical result on 3.4 looks like this:
Platform: Windows-XP-5.1.2600-SP3
task_type #threads result
subprocess_redirfile 5 3 errors
subprocess_redirfile 1 OK
subprocess_devnull 5 OK
subprocess_devnull 1 OK
subprocess_noredirect 5 OK
subprocess_noredirect 1 OK
nosubprocess 5 OK
nosubprocess 1 OK
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<http://bugs.python.org/issue19575>
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