From: Junio C Hamano <gitster@pobox.com>
Date: Thu, 28 Jul 2016 18:26:02 +0000 (-0700)
Subject: Merge branch 'sb/submodule-parallel-fetch' into maint
X-Git-Tag: v2.9.3~48
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/8e4571e57a1a3cc6f1318b3da8612b2e3c8e1252?ds=inline;hp=--cc

Merge branch 'sb/submodule-parallel-fetch' into maint

Fix recently introduced codepaths that are involved in parallel
submodule operations, which gave up on reading too early, and
could have wasted CPU while attempting to write under a corner
case condition.

* sb/submodule-parallel-fetch:
hoist out handle_nonblock function for xread and xwrite
xwrite: poll on non-blocking FDs
xread: retry after poll on EAGAIN/EWOULDBLOCK
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8e4571e57a1a3cc6f1318b3da8612b2e3c8e1252