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>

1 files changed, 1 insertions, 0 deletions

diff --git a/Cargo.toml b/Cargo.toml
index edeb1bb..7d17364 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,6 +24,7 @@ gpu_buffer = { path = "gpu_buffer", optional = true }
 io_jail = { path = "io_jail" }
 kvm = { path = "kvm" }
 kvm_sys = { path = "kvm_sys" }
+msg_socket = { path = "msg_socket" }
 sys_util = { path = "sys_util" }
 kernel_cmdline = { path = "kernel_cmdline" }
 kernel_loader = { path = "kernel_loader" }