[Python-checkins] bpo-34521: Add NEWS entry for changes in GH-9613 (GH-9850)

[Ned Deily]

https://github.com/python/cpython/commit/d404ffa8adf252d49731fbd09b740360577274c8
commit: d404ffa8adf252d49731fbd09b740360577274c8
branch: 3.6
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: Ned Deily <nad at python.org>
date: 2018-10-20T00:42:13-04:00
summary:

bpo-34521: Add NEWS entry for changes in GH-9613 (GH-9850)


* Add News entry for the change in multiprocessing.reduction.recvfds
made in GH-9613.
(cherry picked from commit bd036d3d15fc1310ccc32a43a3296b8c157ac221)

Co-authored-by: Pablo Galindo <Pablogsal at gmail.com>

files:
A Misc/NEWS.d/next/Library/2018-10-13-19-15-23.bpo-34521.YPaiTK.rst

diff --git a/Misc/NEWS.d/next/Library/2018-10-13-19-15-23.bpo-34521.YPaiTK.rst b/Misc/NEWS.d/next/Library/2018-10-13-19-15-23.bpo-34521.YPaiTK.rst
new file mode 100644
index 000000000000..4f4a7f74864f
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2018-10-13-19-15-23.bpo-34521.YPaiTK.rst
@@ -0,0 +1,3 @@
+Use :func:`socket.CMSG_SPACE` to calculate ancillary data size instead of
+:func:`socket.CMSG_LEN` in :func:`multiprocessing.reduction.recvfds` as
+:rfc:`3542` requires the use of the former for portable applications.