Re: [Qemu-devel] [patch 18/18] qemu: PCI device, disk and host network hot-add / hot-remove

[Avi Kivity]

Anthony Liguori wrote:
> It doesn't support this today but additional patches to enable that 
> are certainly welcome.  The best way would be a generic mechanism to 
> send a file descriptor to QEMU that could then be used anywhere fd= is 
> valid.  For instance:
>
> (qemu) receivefd unix:foo.sock,server
> fd=5
> (qemu) closefd 5

(qemu) receivefd myfd
// qemu receives an fd over the monitor, and attaches it to the tag 'myfd'
(qemu) closefd myfd
// qemu closes the fd attached to tag 'myfd'

Advantages:
- no runtime handshaking with a new socket
- work with names, not numbers you need to read off the monitor

--
error compiling committee.c: too many arguments to function