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2 commits

Author SHA1 Message Date
Jingkui Wang
994e418039 msg_socket: avoid send_msg/recv_msg call if it's not necessary 
This patch avoids sendmsg/recvmsg if there is no fd.

BUG=chromium:900962
TEST=build local image and test

Change-Id: I3a5fd52232dc7d98dacd78aa0b383a436056ffb7
Reviewed-on: https://chromium-review.googlesource.com/1313656
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Jingkui Wang <jkwang@google.com>
Reviewed-by: Zach Reizner <zachr@chromium.org>
 2018-11-02 14:50:47 -07:00
Jingkui Wang
f5d565d693 crosvm: add msg_sock. 
MsgSock wraps UnixDatagram and provides simple macro to define Messages
that could be send through sock easily.

TEST=cargo test
BUG=None

Change-Id: I296fabc41893ad6a3ec42ef82dd29c3b752be8b8
Reviewed-on: https://chromium-review.googlesource.com/1255548
Commit-Ready: ChromeOS CL Exonerator Bot <chromiumos-cl-exonerator@appspot.gserviceaccount.com>
Tested-by: Jingkui Wang <jkwang@google.com>
Reviewed-by: Zach Reizner <zachr@chromium.org>
 2018-10-09 21:14:12 -07:00