Re: Improving backend startup interlock

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: Giles Lean <giles(at)nemeton(dot)com(dot)au>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Improving backend startup interlock
Date: 2002-10-04 02:45:51
Message-ID: 16666.1033699551@sss.pgh.pa.us
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Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> Have people considered flock (advisory locking) on the postmaster.pid
> file for backend detection?

$ man flock
No manual entry for flock.
$

HPUX has generally taken the position of adopting both BSD and SysV
features, so if it doesn't exist here, it's not portable to older
Unixen ...

regards, tom lane

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