Re: ipcclean in 8.1 broken?

Bruce Momjian wrote:

>Tom Lane wrote:
>
>
>>Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)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.
>
>
>
perl -e 'exit $> != 0 ;'

succeeds iff your effective uid is not 0.

or we could revive pg_id.

(for the humor impaired, no, I am not serious.)

cheers

andrew