NAME
ulimit - get and set user limits
SYNOPSIS
#include <ulimit.h>
I long ulimit(int cmd , long newlimit );
DESCRIPTION
Warning: This routine is obsolete.
Use
getrlimit(2),
setrlimit(2),
and
sysconf(3)
instead.
For the shell command
R ulimit (),
see
bash(1).
The
R ulimit ()
call will get or set some limit for the current process.
The
cmd
argument can have one of the following values.
UL_GETFSIZE
Return the limit on the size of a file, in units of 512 bytes.
UL_SETFSIZE
Set the limit on the size of a file.
3
(Not implemented for Linux.)
Return the maximum possible address of the data segment.
4
(Implemented but no symbolic constant provided.)
Return the maximum number of files that the calling process can open.
RETURN VALUE
On success,
R ulimit ()
returns a non-negative value.
On error, -1 is returned, and
errno
is set appropriately.
ERRORS
EPERM
A non-root process tried to increase a limit.
CONFORMING TO
SVr4, POSIX.1-2001.
SEE ALSO
ČLÁNKY DO MAILU