1 /* $OpenBSD: kern_resource_43.c,v 1.5 2003/06/02 23:27:59 millert Exp $ */
2 /* $NetBSD: kern_resource_43.c,v 1.4 1996/03/14 19:31:46 christos Exp $ */
3
4 /*-
5 * Copyright (c) 1982, 1986, 1991, 1993
6 * The Regents of the University of California. All rights reserved.
7 * (c) UNIX System Laboratories, Inc.
8 * All or some portions of this file are derived from material licensed
9 * to the University of California by American Telephone and Telegraph
10 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
11 * the permission of UNIX System Laboratories, Inc.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * @(#)kern_resource.c 8.5 (Berkeley) 1/21/94
38 */
39
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
43 #include <sys/file.h>
44 #include <sys/resourcevar.h>
45 #include <sys/malloc.h>
46 #include <sys/proc.h>
47
48 #include <sys/mount.h>
49 #include <sys/syscallargs.h>
50
51 #include <uvm/uvm_extern.h>
52
53 /* ARGSUSED */
54 int
55 compat_43_sys_getrlimit(p, v, retval)
56 struct proc *p;
57 void *v;
58 register_t *retval;
59 {
60 register struct compat_43_sys_getrlimit_args /* {
61 syscallarg(int) which;
62 syscallarg(struct ogetrlimit *) rlp;
63 } */ *uap = v;
64 struct orlimit olim;
65
66 if (SCARG(uap, which) < 0 || SCARG(uap, which) >= RLIM_NLIMITS)
67 return (EINVAL);
68 olim.rlim_cur = p->p_rlimit[SCARG(uap, which)].rlim_cur;
69 if (olim.rlim_cur == -1)
70 olim.rlim_cur = 0x7fffffff;
71 olim.rlim_max = p->p_rlimit[SCARG(uap, which)].rlim_max;
72 if (olim.rlim_max == -1)
73 olim.rlim_max = 0x7fffffff;
74 return (copyout((caddr_t)&olim, (caddr_t)SCARG(uap, rlp),
75 sizeof(olim)));
76 }
77
78 /* ARGSUSED */
79 int
80 compat_43_sys_setrlimit(p, v, retval)
81 struct proc *p;
82 void *v;
83 register_t *retval;
84 {
85 struct compat_43_sys_setrlimit_args /* {
86 syscallarg(int) which;
87 syscallarg(struct ogetrlimit *) rlp;
88 } */ *uap = v;
89 struct orlimit olim;
90 struct rlimit lim;
91 int error;
92
93 error = copyin((caddr_t)SCARG(uap, rlp), (caddr_t)&olim,
94 sizeof (struct orlimit));
95 if (error)
96 return (error);
97 lim.rlim_cur = olim.rlim_cur;
98 lim.rlim_max = olim.rlim_max;
99 return (dosetrlimit(p, SCARG(uap, which), &lim));
100 }