1/* Copyright (C) 1991-2025 Free Software Foundation, Inc.
 2   This file is part of the GNU C Library.
 3
 4   The GNU C Library is free software; you can redistribute it and/or
 5   modify it under the terms of the GNU Lesser General Public
 6   License as published by the Free Software Foundation; either
 7   version 2.1 of the License, or (at your option) any later version.
 8
 9   The GNU C Library is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12   Lesser General Public License for more details.
13
14   You should have received a copy of the GNU Lesser General Public
15   License along with the GNU C Library; if not, see
16   <https://www.gnu.org/licenses/>.  */
17
18#ifndef _SYS_VLIMIT_H
19#define _SYS_VLIMIT_H	1
20
21#include <features.h>
22
23__BEGIN_DECLS
24
25/* This interface is obsolete, and is superseded by <sys/resource.h>.  */
26
27/* Kinds of resource limit.  */
28enum __vlimit_resource
29{
30  /* Setting this non-zero makes it impossible to raise limits.
31     Only the super-use can set it to zero.
32
33     This is not implemented in recent versions of BSD, nor by
34     the GNU C library.  */
35  LIM_NORAISE,
36
37  /* CPU time available for each process (seconds).  */
38  LIM_CPU,
39
40  /* Largest file which can be created (bytes).  */
41  LIM_FSIZE,
42
43  /* Maximum size of the data segment (bytes).  */
44  LIM_DATA,
45
46  /* Maximum size of the stack segment (bytes).  */
47  LIM_STACK,
48
49  /* Largest core file that will be created (bytes).  */
50  LIM_CORE,
51
52  /* Resident set size (bytes).  */
53  LIM_MAXRSS
54};
55
56/* This means no limit.  */
57#define INFINITY 0x7fffffff
58
59
60/* Set the soft limit for RESOURCE to be VALUE.
61   Returns 0 for success, -1 for failure.  */
62extern int vlimit (enum __vlimit_resource __resource, int __value) __THROW;
63
64
65__END_DECLS
66
67#endif /* sys/vlimit.h  */