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| author |   deraadt <deraadt@openbsd.org> | 2001-09-04 08:04:08 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 2001-09-04 08:04:08 +0000 |
| commit | 1d928aaddac4801715c3dd0a13021f6dd7b85d03 (patch) | |
| tree | 93c0395c787b37d2ab729b57a3e857a18f9ff8e5 /lib/libc/sys | |
| parent | another username limit issue; ianm@cit.uws.edu.au (diff) | |
| download | wireguard-openbsd-1d928aaddac4801715c3dd0a13021f6dd7b85d03.tar.xz wireguard-openbsd-1d928aaddac4801715c3dd0a13021f6dd7b85d03.zip | |
clarify fd_set size definition
Diffstat (limited to 'lib/libc/sys')
| -rw-r--r-- | lib/libc/sys/select.2 | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/lib/libc/sys/select.2 b/lib/libc/sys/select.2 index b306642016b..233a3abd548 100644 --- a/lib/libc/sys/select.2 +++ b/lib/libc/sys/select.2 @@ -1,4 +1,4 @@ -.\" $OpenBSD: select.2,v 1.19 2001/03/03 21:32:35 deraadt Exp $ +.\" $OpenBSD: select.2,v 1.20 2001/09/04 08:04:08 deraadt Exp $ .\" $NetBSD: select.2,v 1.5 1995/06/27 22:32:28 cgd Exp $ .\" .\" Copyright (c) 1983, 1991, 1993 @@ -173,10 +173,13 @@ Although the provision of was intended to allow user programs to be written independent of the kernel limit on the number of open files, the dimension of a sufficiently large bit field for select remains a problem. -The default size +The default bit size of +.Ft fd_set +is based on the symbol .Dv FD_SETSIZE -(currently 256) is somewhat smaller than -the current kernel limit to the number of open files. +(currently 256), +but that is somewhat smaller than the current kernel limit +to the number of open files. However, in order to accommodate 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 |