Re: fcntl(SETLK) [was Re: 2nd update on TOAST]

Bruce Momjian <pgman@candle.pha.pa.us>

From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Alfred Perlstein <bright@wintelcom.net>
Cc: Mike Mascari <mascarm@mascari.com>, Jan Wieck <JanWieck@Yahoo.com>, PostgreSQL HACKERS <pgsql-hackers@postgresql.org>
Date: 2000-07-08T13:40:07Z
Lists: pgsql-hackers
> > That's a good point.  I don't think so because the socket will only
> > create for one user.  Basically, we don't need something bulletproof
> > here.  We just need something to prevent admins from accidentally
> > starting two postmasters on the same port.
> 
> Actually I just remebered the issue here, if one wants to start
> postmaster on an alternate port there will be no conflict and 
> all hell may break loose.

We already lock the /data directory.  This is for the port lock.

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