[Bug 1119195] Re: _DummyThread' object has no attribute '_Thread__block

[Dmitrijs Ledkovs]

*** This bug is a duplicate of bug 1077153 ***
    https://bugs.launchpad.net/bugs/1077153

** Also affects: python2.7 (Ubuntu Precise)
   Importance: Undecided
       Status: New

** Changed in: python2.7 (Ubuntu)
       Status: New => Fix Released

** Changed in: python2.7 (Ubuntu Precise)
       Status: New => Triaged

** Changed in: python2.7 (Ubuntu Precise)
   Importance: Undecided => Medium

** Changed in: python2.7 (Ubuntu Precise)
    Milestone: None => ubuntu-12.04.3

** This bug has been marked a duplicate of bug 1077153
   _DummyThread' object has no attribute '_Thread__block

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https://bugs.launchpad.net/bugs/1119195

Title:
  _DummyThread' object has no attribute '_Thread__block

Status in Python:
  Unknown
Status in “python2.7” package in Ubuntu:
  Fix Released
Status in “python2.7” source package in Precise:
  Triaged

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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