[issue37531] Fix regrtest timeout for subprocesses: regrtest -jN --timeout=SECONDS
STINNER Victor
report at bugs.python.org
Thu Aug 22 18:12:36 EDT 2019
STINNER Victor <vstinner at redhat.com> added the comment:
> This is an issue when the standard handles are inherited or duplicated to a grandchild process, and so on. In the case of Popen(sys.executable), the system is duplicating the standard handles implicitly because sys.executable is a console process (assuming it's python[_d].exe), among other criteria. An additional reference on the write side prevents the pipe from closing. fh.read() in the grandparent won't return as long as there's a writer that could potentially write more data.
Is there a way to workaround that?
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<https://bugs.python.org/issue37531>
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