Re: ipcclean in 8.1 broken?

Bruce Momjian wrote:

>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.
>
>  
>
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