| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Magnus Hagander <magnus(at)hagander(dot)net> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgresql(dot)org, Heikki Linnakangas <heikki(at)enterprisedb(dot)com>, pgsql-committers(at)postgresql(dot)org |
| Subject: | Re: pgsql: Fix a couple of bugs in win32 shmem name generation: * Don't cut |
| Date: | 2008-07-04 19:12:01 |
| Message-ID: | 20080704191201.GG3893@alvh.no-ip.org |
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| Lists: | pgsql-committers pgsql-hackers |
Magnus Hagander wrote:
> Tom Lane wrote:
> > According to what you just told me, the original coding is storing the
> > name in a "local namespace", which presumably means it won't conflict
> > anyway. Ergo, the existing coding is simply broken and there's nothing
> > we can do about it.
>
> Local namespace = Session local, not process local. So it would properly
> protect against two processes started in the same session. One session
> is, for example, an interactive login. But not if they were started by
> different users, since they'd be in different sessions.
But those different users would not have access to the same set of
files, so it wouldn't work anyway, right?
--
Alvaro Herrera http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.
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