Re: ipcclean in 8.1 broken?
От | Michael Paesold |
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Тема | Re: ipcclean in 8.1 broken? |
Дата | |
Msg-id | 013201c63ef3$28729210$67dc8380@zaphod обсуждение исходный текст |
Ответ на | Re: ipcclean in 8.1 broken? (Bruce Momjian <pgman@candle.pha.pa.us>) |
Список | pgsql-hackers |
Bruce Momjian wrote: > Tom Lane wrote: >> Bruce Momjian <pgman@candle.pha.pa.us> writes: >> > Tom Lane wrote: >> >> (I'm not finding it right now, but I'm pretty sure that the SUS >> >> specifies that numeric userid == 0 for superuser, whereas "root" is >> >> not >> >> required to be the name, so this would be more correct anyway.) >> >> > Can we assume 'id' is on all unix systems? >> >> 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 don't think this is really a question of portability. The variables $USER and $LOGNAME are not always set to the current (effective) user, e.g. on linux. That's Chris' current problem, I think. Just compare the difference of using "su" with and without the "-l" argument: $ su # echo $LOGNAME ; echo $USER mip mip # exit $ su -l # echo $LOGNAME ; echo $USER root root # Of course, if you just want to question the use of "id", that's a different story. Best Regards, Michael Paesold
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