[Python-checkins] [python/cpython] 794623: bpo-28699: fix abnormal behaviour of pools in mul...

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/python/cpython
  Commit: 794623bdb232eafd8925f76470209afcdcbcdcd2
      https://github.com/python/cpython/commit/794623bdb232eafd8925f76470209afcdcbcdcd2
  Author: Xiang Zhang <angwerzx at 126.com>
  Date:   2017-03-29 (Wed, 29 Mar 2017)

  Changed paths:
    M Lib/multiprocessing/pool.py
    M Lib/test/_test_multiprocessing.py
    M Misc/NEWS

  Log Message:
  -----------
  bpo-28699: fix  abnormal behaviour of pools in multiprocessing.pool (GH-693)

an exception raised at the very first of an iterable would cause pools behave abnormally
(swallow the exception or hang)