Re: SO_KEEPALIVE - a solution for where X servers are shut down?

read the rfc ... 2 hours is the minimum.
from the RFC ... "This interval MUST be configurable and MUST default to no 
less than two hours."

yes, you *might* be able to configure it shorter on some platforms. I will 
re-iterate .. this is not what you are after.

----- Original Message ----- 
From: "Nick Hill" <[email protected]>
To: <[email protected]>
Sent: Friday, June 10, 2005 12:29 PM
Subject: Re: SO_KEEPALIVE - a solution for where X servers are shut down?


> Rob Currey wrote:
>> by default the keepalive interval is 2 hours (rfc1122) I doubt this is 
>> what you are looking for.
>
> If running the Linux kernel, the keepalive timer behaviour can be tuned at 
> runtime.
>
> Tunable settings are documented here:
> http://www.die.net/doc/linux/man/man7/tcp.7.html
>
> So I could set the timer to kill TCP sockets which are no longer viable 
> after a shorter period. This would keep the server pretty clear of stale, 
> unwanted processes. That is so long as the Xlibs do implement SO_KEEPALIVE 
> and that the Xlibs based programs do actually die when the socket is 
> closed.
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