Re: Per-connection TCP_KEEPALIVE setting?

[Nick Patavalis (npat@inaccessnetworks.com)]

On Sat, Sep 20, 2003 at 02:23:19PM -0500, Philip Mak wrote:
> 
> There seems to be a TCP_KEEPALIVE option in POSIX, but I can't find a
> #define for TCP_KEEPALIVE in /usr/include. Does Linux support this?
> 

It does.

   man setsockopt

and also

   man 7 socket

   ....
  
   SO_KEEPALIVE
      Enable sending of keep-alive messages on connec-
      tion-oriented sockets. Expects  a  integer  boolean
      flag.

/npat

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