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[thirdparty/man-pages.git] / man2 / getdtablesize.2

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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-.\" manual page may be incorrect or out-of-date.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
-.\"
-.TH GETDTABLESIZE 2 2002-04-15 "Linux 2.4" "Linux Programmer's Manual"
-.SH NAME
-getdtablesize \- get descriptor table size
-.SH SYNOPSIS
-.B #include <unistd.h>
-.sp
-.B int getdtablesize(void);
-.SH DESCRIPTION
-.B getdtablesize
-returns the maximum number of files a process can have open,
-one more than the largest possible value for a file descriptor.
-.SH "RETURN VALUE"
-The current limit on the number of open files per process.
-.SH NOTES
-.B getdtablesize
-is implemented as a libc library function. The glibc version calls
-.BR getrlimit (2)
-and returns the current
-.B RLIMIT_NOFILE
-limit, or
-.B OPEN_MAX
-when that fails.
-The libc4 and libc5 versions return
-.B OPEN_MAX
-(set to 256 since Linux 0.98.4).
-.SH "CONFORMING TO"
-SVr4, 4.4BSD (the
-.B getdtablesize
-function first appeared in 4.2BSD).
-.SH "SEE ALSO"
-.BR close (2),
-.BR dup (2),
-.BR getrlimit (2),
-.BR open (2)
+.so man3/getdtablesize.3
+.\" Created 2013-02-05; will eventually be removed