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Re: Hermetic virtio-vsock in QEMU
From: |
Marc-André Lureau |
Subject: |
Re: Hermetic virtio-vsock in QEMU |
Date: |
Wed, 8 May 2024 13:13:09 +0400 |
Hi
On Wed, May 8, 2024 at 11:50 AM Stefano Garzarella <sgarzare@redhat.com> wrote:
>
> Hi Roman,
>
> On Tue, May 07, 2024 at 11:20:50PM GMT, Roman Kiryanov wrote:
> >Hi Stefano,
> >
> >On Tue, May 7, 2024 at 1:10 AM Stefano Garzarella <sgarzare@redhat.com>
> >wrote:
> >> I have no experience with Windows, but what we need for vhost-user is:
> >>
> >> - AF_UNIX and be able to send file descriptors using ancillary data
> >> (i.e. SCM_RIGHTS)
> >
> >As far as I understand, Windows does NOT support SCM_RIGHTS over AF_UNIX.
>
> Thank you for the information. This is unfortunate and does not allow
> us to use vhost-user as it is on Windows.
>
fwiw, Windows has other mechanisms to share resources between processes.
To share/pass sockets, you can use WSADuplicateSocket. For shared
memory and other resources, DuplicateHandle API.
(you can also share other things like D3D textures etc. those
mechanisms are used to enable -display dbus on Windows efficiently)
--
Marc-André Lureau
- Re: Hermetic virtio-vsock in QEMU, Stefano Garzarella, 2024/05/07
- Re: Hermetic virtio-vsock in QEMU, Roman Kiryanov, 2024/05/08
- Re: Hermetic virtio-vsock in QEMU, Stefano Garzarella, 2024/05/08
- Re: Hermetic virtio-vsock in QEMU,
Marc-André Lureau <=
- Re: Hermetic virtio-vsock in QEMU, Stefano Garzarella, 2024/05/08
- Re: Hermetic virtio-vsock in QEMU, Paolo Bonzini, 2024/05/08
- Re: Hermetic virtio-vsock in QEMU, Daniel P . Berrangé, 2024/05/08
- Re: Hermetic virtio-vsock in QEMU, Paolo Bonzini, 2024/05/08
- Re: Hermetic virtio-vsock in QEMU, Daniel P . Berrangé, 2024/05/08