[Qemu-devel] Re: [PATCH RFC 1/2] Allow recvmsg for qemu char devices

[Anthony Liguori]

Cam Macdonell wrote:
> This patch allows switching from the standard recv to recvmsg for a qemu char
> device.  Switching allows file descriptors to be passed with SCM_RIGHTS to a
> qemu process.  Instead of receiving a buffer of data the recvmsg call back is
> passed a 'struct msghdr'.
>
> The patch also adds a function to add an eventfd as qemu char device.  Perhaps
> this should be a separate patch.
>
> This is not an elegant solution to supporting recvmsg so suggestions are
> especially welcome.
>   

Use the sendfd/closefd commands that Mark introduced.

Regards,

Anthony Liguori