mirror of https://github.com/mkerrisk/man-pages
86 lines
2.4 KiB
Groff
86 lines
2.4 KiB
Groff
.\" Hey Emacs! This file is -*- nroff -*- source.
|
|
.\"
|
|
.\" Copyright (C) 1996 Andries Brouwer (aeb@cwi.nl)
|
|
.\"
|
|
.\" 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.\" manual page may be incorrect or out-of-date.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.
|
|
.\"
|
|
.\" Moved to man3, aeb, 980612
|
|
.\"
|
|
.TH ULIMIT 3 1998-06-12 "Linux" "Linux Programmer's Manual"
|
|
.SH NAME
|
|
ulimit \- get and set user limits
|
|
.SH SYNOPSIS
|
|
.B #include <ulimit.h>
|
|
.sp
|
|
.BI "long ulimit(int " cmd ", long " newlimit );
|
|
.SH DESCRIPTION
|
|
Warning: This routine is obsolete.
|
|
Use
|
|
.BR getrlimit (2),
|
|
.BR setrlimit (2),
|
|
and
|
|
.BR sysconf (3)
|
|
instead.
|
|
For the shell command
|
|
.BR ulimit (),
|
|
see
|
|
.BR bash (1).
|
|
|
|
The
|
|
.BR ulimit ()
|
|
call will get or set some limit for the calling process.
|
|
The
|
|
.I cmd
|
|
argument can have one of the following values.
|
|
.TP
|
|
.B UL_GETFSIZE
|
|
Return the limit on the size of a file, in units of 512 bytes.
|
|
.TP
|
|
.B UL_SETFSIZE
|
|
Set the limit on the size of a file.
|
|
.TP
|
|
.B 3
|
|
(Not implemented for Linux.)
|
|
Return the maximum possible address of the data segment.
|
|
.TP
|
|
.B 4
|
|
(Implemented but no symbolic constant provided.)
|
|
Return the maximum number of files that the calling process can open.
|
|
.SH "RETURN VALUE"
|
|
On success,
|
|
.BR ulimit ()
|
|
returns a non-negative value.
|
|
On error, \-1 is returned, and
|
|
.I errno
|
|
is set appropriately.
|
|
.SH ERRORS
|
|
.TP
|
|
.B EPERM
|
|
A non-root process tried to increase a limit.
|
|
.SH "CONFORMING TO"
|
|
SVr4, POSIX.1-2001.
|
|
.\" FIXME . Mar 08: The next POSIX.1 revisions marks ulimit() obsolete.
|
|
.SH "SEE ALSO"
|
|
.BR bash (1),
|
|
.BR getrlimit (2),
|
|
.BR setrlimit (2),
|
|
.BR sysconf (3)
|