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+$PostgreSQL: pgsql/doc/src/sgml/config.sgml,v 1.15 2005/09/12 23:09:05 tgl Exp $
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<chapter Id="runtime-config">
<title>Run-time Configuration</title>
<para>
On systems that support the TCP_KEEPCNT socket option, specifies how
many keepalives may be lost before the connection is considered dead.
- A value of 0 uses the system default. If TCP_KEEPINTVL is not
- supported, this parameter must be 0.
+ A value of 0 uses the system default. If TCP_KEEPCNT is not
+ supported, this parameter must be 0. This option is ignored
+ for connections made via a Unix-domain socket.
</para>
</listitem>
</varlistentry>