Re: [RFC PATCH 4/5] migration/socket: Close the listener at the end

[Daniel P . Berrangé]

On Thu, Apr 08, 2021 at 08:11:58PM +0100, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
> 
> Delay closing the listener until the cleanup hook at the end; mptcp
> needs the listener to stay open while the other paths come in.

So you're saying that when the 'accept(2)' call returns, we are only
guaranteed to have 1 single path accepted, and the other paths
will be accepted by the kernel asynchronously ? Hence we need to
keep listening, even though we're not going to call accept(2) again
ourselves ?

> 
> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> ---
>  migration/multifd.c |  5 +++++
>  migration/socket.c  | 24 ++++++++++++++++++------
>  2 files changed, 23 insertions(+), 6 deletions(-)

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>


Regards,
Daniel
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