[issue28724] Add method send_io, recv_io to the socket module.

[Shinya Okano]

New submission from Shinya Okano:

This patch makes it easy to pass file descriptor in using AF_UNIX.

Ruby language libraries have such methods.

see slso:
 - https://docs.ruby-lang.org/en/2.3.0/UNIXSocket.html#method-i-send_io

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components: Library (Lib)
files: socket_send_io_recv_io.patch
keywords: patch
messages: 281041
nosy: tokibito
priority: normal
severity: normal
status: open
title: Add method send_io, recv_io to the socket module.
type: enhancement
versions: Python 3.7
Added file: http://bugs.python.org/file45519/socket_send_io_recv_io.patch

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<http://bugs.python.org/issue28724>
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