We have already fixed this in CVS and the fix will be in 7.5:
revision 1.107
date: 2004/02/23 20:45:59; author: tgl; state: Exp; lines: +145 -88
Do a direct probe during postmaster startup to determine the maximum
number of openable files and the number already opened. This eliminates
depending on sysconf(_SC_OPEN_MAX), and allows much saner behavior on
platforms where open-file slots are used up by semaphores.
---------------------------------------------------------------------------
Martin Pitt wrote:
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> Hi PostgreSQL developers!
>
> Jacek Drobiecki recently sent me a patch which stops postgresql to
> actively violate the system limit of maximum open files
> (RLIMIT_NOFILE) in src/backend/storage/file/fd.c, function
> count_usable_fds().
>
> This avoids irritating kernel logs (if system overstep violations are
> enabled) and also the grsecurity alert when starting PostgreSQL.
>
> Can you please adopt this patch?
>
> Currently the modifications are only enabled when postgresql is
> compiled with -DCHECK_RLIMIT_NOFILE. Of course you can also use it
> unconditionally.
>
> Thanks for considering and have a nice day!
>
> Martin
>
> --
> Martin Pitt Debian GNU/Linux Developer
> martin@piware.de mpitt@debian.org
> http://www.piware.de http://www.debian.org
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