[PATCH] Instruct the kernel to reset the connection for SC_RX_TIMEOUT, and others

Poul-Henning Kamp phk at phk.freebsd.dk
Sun Mar 1 10:07:40 CET 2015

In message <21409.1425200737 at critter.freebsd.dk>, "Poul-Henning Kamp" writes:

>The problem with !SO_LINGER (we tried it some years back) is that
>all queued data is discarded the moment you call close(2), and we
>have no way to know if our last response is still lingering in the
>kernel's tcp-buffers and dribbling out to a slow client with a bad
>mobile phone connection.

Just to clarify:  This was not meant to say "No Way!" but to point
out the level of real-life testing that will be necessary for any
change to this aspect.

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.

More information about the varnish-dev mailing list