[Bug 1077153] Re: _DummyThread' object has no attribute '_Thread__block

[Steve Langasek]

The Precise Pangolin has reached end of life, so this bug will not be
fixed for that release

** Changed in: python2.7 (Ubuntu Precise)
       Status: Triaged => Won't Fix

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Title:
  _DummyThread' object has no attribute '_Thread__block

Status in Python:
  Fix Released
Status in python2.7 package in Ubuntu:
  Fix Released
Status in python2.7 source package in Precise:
  Won't Fix

Bug description:
  [Impact]

  Based on the test script available at the upstream issue link, the
  exception is thrown in programs that use threads and os.fork() (like
  could be the case with subprocess).

  As reported upstream, the exception when a "dummy" thread is in the
  threading module's active list after a fork().

  [Test Case]

  Run the following program, available in the upstream issue:

  http://bugs.python.org/file25511/bad-thread.py

  to reproduce the problem.

  [Regression Potential]

  None seen at the moment.
  Upstream patch contains also a test case to address this issue:

  http://hg.python.org/cpython/rev/ab9d6c4907e7

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