Messages in this thread | | | From | (Jens-Uwe Mager) | Subject | Re: NR_OPEN vs OPEN_MAX vs RLIMIT_NOFILE, and a glibc bug? | Date | Sat, 27 Mar 1999 13:01:19 GMT |
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On Sat, 27 Mar 1999 11:44:41 GMT, Olaf Titz <olaf@bigred.inka.de> wrote:
>This implies that the common usage of getdtablesize() to find out the >highest numbered fd is wrong to begin with, since a process could open >(or inherit!) a fd and subsequently lower RLIMIT_NOFILE. It also >suggests it is not possible to find out the highest numbered fd at >all. (And using the _soft_ limit makes it sounds yet more questionable >IMHO.)
AIX has a nice fcntl to close all file descriptors above and including a the given fd value, e.g fcntl(3, F_CLOSEM, 0) would close fd 3 and up.
-- Jens-Uwe Mager <pgp-mailto:62CFDB25>
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