Subject: Re: increase default for number of files descriptors per process (was
To: None <firstname.lastname@example.org>
From: Jun-ichiro itojun Hagino <email@example.com>
Date: 10/07/2003 12:45:57
> > don't forget to bump default FD_SETSIZE...
> I don't think you can change that - at least not without changing
> the major version of libc.
you can change FD_SETSIZE without libc shlib major bump.
man 2 select and see the following sentences:
> kernel limit to the number of open files. However, in order to accommo-
> date programs which might potentially use a larger number of open files
> with select, it is possible to increase this size within a program by
> providing a larger definition of FD_SETSIZE before the inclusion of
> <sys/types.h>. The kernel will cope, and the userland libraries provided
> with the system are also ready for large numbers of file descriptors.