-.\" Hey Emacs! This file is -*- nroff -*- source.
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.\" Copyright (C) 1996 Andries Brouwer (aeb@cwi.nl)
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.\" Moved to man3, aeb, 980612
.\"
-.TH ULIMIT 3 1998-06-12 "Linux 2.0" "Linux Programmer's Manual"
+.TH ULIMIT 3 2015-03-29 "Linux" "Linux Programmer's Manual"
.SH NAME
ulimit \- get and set user limits
.SH SYNOPSIS
.sp
.BI "long ulimit(int " cmd ", long " newlimit );
.SH DESCRIPTION
-Warning: This routine is obsolete. The include file is no longer
-provided by glibc. Use
-.BR getrlimit (2),
-.BR setrlimit (2)
-and
+Warning: This routine is obsolete.
+Use
+.BR getrlimit (2),
+.BR setrlimit (2),
+and
.BR sysconf (3)
instead.
For the shell command
The
.BR ulimit ()
-call will get or set some limit for the current process.
+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
+.B UL_GETFSIZE
Return the limit on the size of a file, in units of 512 bytes.
.TP
.B UL_SETFSIZE
.B 4
(Implemented but no symbolic constant provided.)
Return the maximum number of files that the calling process can open.
-
-.SH "RETURN VALUE"
+.SH RETURN VALUE
On success,
.BR ulimit ()
returns a nonnegative value.
.SH ERRORS
.TP
.B EPERM
-A non-root process tried to increase a limit.
-.SH "CONFORMING TO"
+A unprivileged process tried to increase a limit.
+.SH ATTRIBUTES
+For an explanation of the terms used in this section, see
+.BR attributes (7).
+.TS
+allbox;
+lb lb lb
+l l l.
+Interface Attribute Value
+T{
+.BR ulimit ()
+T} Thread safety MT-Safe
+.TE
+
+.SH CONFORMING TO
SVr4, POSIX.1-2001.
-.SH "SEE ALSO"
+POSIX.1-2008 marks
+.BR ulimit ()
+as obsolete.
+.SH SEE ALSO
.BR bash (1),
.BR getrlimit (2),
.BR setrlimit (2),