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.\" Hey Emacs! This file is -*- nroff -*- source.
.\"
.\" Copyright 1993 Rickard E. Faith (faith@cs.unc.edu)
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one.
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date. The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein. The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Modified 2002-04-15 by Roger Luethi <rl@hellgate.ch> and aeb
.\"
.\" Japanese Version Copyright (c) 1997 HANATAKA Shinya
.\" all rights reserved.
.\" Translated Sat Feb 22 20:20:24 JST 1997
.\" by HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\" Updated 2002-10-14 by Kentaro Shirakata <argrath@ub32.org>
.\" Updated 2007-01-01 by Kentaro Shirakata <argrath@ub32.org>
.\"
.TH GETDTABLESIZE 2 2007-07-26 "Linux" "Linux Programmer's Manual"
.SH ̾
getdtablesize \- ǥץơ֥Υ
.SH
.B #include <unistd.h>
.sp
.B int getdtablesize(void);
.sp
.in -4n
glibc εǽޥ
.RB ( feature_test_macros (7)
):
.in
.sp
.BR getdtablesize ():
_BSD_SOURCE || _XOPEN_SOURCE\ >=\ 500
.SH
.BR getdtablesize ()
1 ĤΥץΥץǤեκ֤ͤ
֤ͤϥեǥץμͤ 1 礭ͤǤ롣
.SH ֤
ץ˥ץǤեθߤ͡
.SH 顼
Linux Ǥϡ
.BR getdtablesize ()
.BR getrlimit (2)
Ƥ륨顼֤Ȥ롣
ΡաפȤΤȡ
.SH
SVr4, 4.4BSD
.RB ( getdtablesize ()
ؿ 4.2BSD Ǻǽ˸줿)
POSIX.1-2001 ǵꤵƤʤΤǡ
ܿΤ륢ץꥱϤθƤӽФ
.I sysconf(_SC_OPEN_MAX)
Ȥ٤Ǥ롣
.SH
.BR getdtablesize ()
libc Υ饤֥ؿȤƼƤ롣glibc Ǥ
.BR getrlimit (2)
ƤӽФơߤ
.B RLIMIT_NOFILE
֤
ƤӽФ˼Ԥ
.B OPEN_MAX
֤
libc4 libc5 Ǥ
.B OPEN_MAX
(Linux 0.98.4 ʹߤǤ 256 ꤵƤ)
֤
.SH Ϣ
.BR close (2),
.BR dup (2),
.BR getrlimit (2),
.BR open (2)
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