Re: ipcclean in 8.1 broken? - Mailing list pgsql-hackers

From Bruce Momjian
Subject Re: ipcclean in 8.1 broken?
Date
Msg-id 200603031930.k23JUj328187@candle.pha.pa.us
Whole thread Raw
In response to Re: ipcclean in 8.1 broken?  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: ipcclean in 8.1 broken?  (Andrew Dunstan <andrew@dunslane.net>)
List pgsql-hackers
Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > Tom Lane wrote:
> >> What's your point?  The script fails anyway if that bit doesn't work.
> 
> > Is 'id' better than what we have now if 'id' isn't widely supported?
> 
> I'm repeating myself, but: what's your point?  'id' exists on Linux,
> and the script fails (in the worst possible way, ie, might remove
> inappropriate shmem segments) on all other platforms if it's unable
> to detect the correct EffectiveUser.  I would argue that checking for a
> numeric, nonzero EffectiveUser is going to make it safer not less so.

If it can be done more reliably than what we do not.  We support much
more than Linix, and I have not seen anyway say 'id' is available on all
platforms.  We can try 'id' if it exists and fall back if it doesn't.

--  Bruce Momjian   http://candle.pha.pa.us SRA OSS, Inc.   http://www.sraoss.com
 + If your life is a hard drive, Christ can be your backup. +


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