https://bz.mercurial-scm.org/show_bug.cgi?id=5393
Bug ID: 5393
Summary: run-tests.py uses pipe.wait()
Product: Mercurial
Version: unspecified
Hardware: PC
OS: Mac OS
Status: UNCONFIRMED
Severity: feature
Priority: wish
Component: Mercurial
Assignee: bugzi...@selenic.com
Reporter: fij...@gmail.com
CC: mercurial-de...@selenic.com
pipe.wait() is unreliable way to do those things. From the docs:
Warning This will deadlock when using stdout=PIPE and/or stderr=PIPE and the
child process generates enough output to a pipe such that it blocks waiting for
the OS pipe buffer to accept more data. Use communicate() to avoid that.
Don't ask me why it can't just be implemented as communicate() then, but it is
what it is. I think it's a cause of some deadlocks every now and again while
running tests
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