updates in git://bogomips.org/rainbows.git

[Eric Wong <normalperson-rMlxZR9MS24@public.gmane.org>]

== dropping keepalive clients on SIGQUIT

For all concurrency models where we manage idle keepalive ourselves
(anything using Cool.io or sleepy_penguin[1] epoll), SIGQUIT should drop
idle clients immediately.  These are some of the concurrency models
where maintaining keepalive clients is cheapest.

It would require more time/effort to get this working with EventMachine
(since we just rely on set_comm_inactivity_timeout in EventMachine).
Anybody really care about it?

I noticed SIGQUIT was taking a long time to take effect with long
keepalives while testing XEpoll somewhere...


== Kgio.autopush support for Thread-based concurrency models

I forgot to switch from IO#write to Kgio::SocketMethods#kgio_write.  The
latter is is needed to push pending frames if :tcp_nopush is true on a
listen socket.  This wasn't an issue for other concurrency models that
already used kgio_write/kgio_trywrite.  Most people don't use
:tcp_nopush, so this doesn't concern them, but I was testing with
:ThreadPool.

Unconfirmed, but if you're serving HTTP/0.9 clients, this may still have
adverse affect if you use sendfile/IO.copy_stream.   I'll report back
since there are probably Rainbows! users that depend heavily on HTTP/0.9
support :)


I've not written tests for either of these improvements, but will
do so before the 3.4.0 release.

[1] http://bogomips.org/sleepy_penguin/

-- 
Eric Wong
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