Mac build support about vhost HOT 5 OPEN

We need to find macos counterparts for send fd with UDS and eventfd:)

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Funny, right now I'm working on implementing macOS support on vmm-sys-util (which will enable vhost and vhost-user-backend to work on it too). Sending ancillary data (i.e. for sending fds) is supported on macOS, so it's just a matter of including the traits. As for eventfd and epoll, I'm emulating the first with pipefd and the second with kqueue. They aren't semantically identical, but they're close enough to allow daemons consuming vhost-user-backend to work properly.

from vhost.

The vmm_sys_util::sock_ctrl_msg related issues are solved by enhancing the vmm_sys_util, but the EventFd is problematic.

from vhost.

Funny, right now I'm working on implementing macOS support on vmm-sys-util (which will enable vhost and vhost-user-backend to work on it too). Sending ancillary data (i.e. for sending fds) is supported on macOS, so it's just a matter of including the traits. As for eventfd and epoll, I'm emulating the first with pipefd and the second with kqueue. They aren't semantically identical, but they're close enough to allow daemons consuming vhost-user-backend to work properly.

I have done a quick poc for sock_ctrl_msg:)

from vhost.

@slp @jiangliu any plan on working on this?

If you have some PoC to share, maybe this could become a good first issue for some Mac user.

from vhost.