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Stefan Metzmacher b716dbc976 python/tests/gpo: this should fix a Popen deadlock
It is inspired by commit 5dc773a5b00834c7a53130a73a48f49048bd55e8
   Author: Joe Guo <joeg@catalyst.net.nz>
   Date:   Fri Sep 15 16:13:26 2017 +1200

      python: use communicate to fix Popen deadlock

      `Popen.wait()` will deadlock when using stdout=PIPE and/or stderr=PIPE and the
      child process generates large output to a pipe such that it blocks waiting for
      the OS pipe buffer to accept more data. Use communicate() to avoid that.

      Signed-off-by: Joe Guo <joeg@catalyst.net.nz>
      Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
      Reviewed-by: Andrew Bartlett <abartlet@samba.org>

      Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
      Autobuild-Date(master): Thu Oct 19 09:27:16 CEST 2017 on sn-devel-144

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Noel Power <noel.power@suse.com>
2020-09-07 12:02:15 +00:00
..