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This helps to centralise the error handling and the onward call chain. This is preparation for adding systemd socket passing support.
With this patch there is a single function which will create the listening socket. This patch is in preparation for adding system socket passing support which can be encapsulated in a similar function.
Adding systemd support allows spawning polipo in parallel with the services
that depend on polipo.
The caller (spawner) owns the sockets, then spawns polipo and tells polipo
which sockets it has to use. (Before this change, you'd have to spawn polipo,
ask it which sockets it's using, and only then spawn the services that depend
on polipo.)
With socket passing the listening socket is passed to polipo as file
descriptor 3 and the environment variables are set according to:
LISTEN_FDS=1
LISTEN_PID=[polipo pid]
before exec()ing polipo
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Just adding myself to cc to this ticket. |
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As mentioned on the list [*] Will Manley's work on systemd didn't apply cleanly, so I've rebased this myself. The original commits are here https://github.com/wmanley/polipo/commits/automated-testing2 .
[*] http://www.mail-archive.com/polipo-users@lists.sourceforge.net/msg01460.html