tree afd6feb4259204617d83b59be6c43d91cb33e70c
parent 52e0cbf40c42b333138454de0da2a55e328bb647
author Colin Downs-Razouk <colindr@google.com> 1592608724 -0700
committer Commit Bot <commit-bot@chromium.org> 1594062729 +0000

sys_util: eventfd read_timeout function

Added a function to read from an eventfd with a timeout. This will be
useful for some IrqChip tests. Uses ppoll to check if an EventFd is
ready for reading.

Bug: chromium:1077058
Test: added a timeout test + cargo test -p sys_util
Change-Id: I10283e39ee21305c3e433aded417a7eea465def9
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2276321
Tested-by: kokoro <noreply+kokoro@google.com>
Commit-Queue: Colin Downs-Razouk <colindr@google.com>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>