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Re: [PATCH 3/5] Permit systemd-allocated socket file-descriptors to be u

From: Matthew Leach
Subject: Re: [PATCH 3/5] Permit systemd-allocated socket file-descriptors to be used.
Date: Sun, 27 Mar 2016 13:23:52 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux)

Hi Lars,

Thanks for the review.

Lars Magne Ingebrigtsen <address@hidden> writes:


>> +:systemd-fd INT    -- use this file-descriptor, passed in through systemd,
>> +                      and don't call socket() and bind().
> There isn't really anything systemd-specific about any of this code (as
> far as I can see): It's about calling `make-network-socket' on a file
> descriptor that's already been opened.  So I'd just rename this
> parameter to :allocated-file-descriptor or something and adjust the
> names of the other variables used.

Initially I had the same thought and gave this variable a generic name
as you propose.  However, it turns out that systemd has already called
bind() on the socket and a further call to bind() would error.  At this
point I thought this interface was too systemd-specific to allow
non-systemd allocated file-descriptors to be passed in.

I could always go back to a generic interface, but stipulate that bind()
must have already been called on the socket?


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