1 | /* $NetBSD: kern_resource_43.c,v 1.21 2007/12/20 23:02:44 dsl Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 1982, 1986, 1991, 1993 |
5 | * The Regents of the University of California. All rights reserved. |
6 | * (c) UNIX System Laboratories, Inc. |
7 | * All or some portions of this file are derived from material licensed |
8 | * to the University of California by American Telephone and Telegraph |
9 | * Co. or Unix System Laboratories, Inc. and are reproduced herein with |
10 | * the permission of UNIX System Laboratories, Inc. |
11 | * |
12 | * Redistribution and use in source and binary forms, with or without |
13 | * modification, are permitted provided that the following conditions |
14 | * are met: |
15 | * 1. Redistributions of source code must retain the above copyright |
16 | * notice, this list of conditions and the following disclaimer. |
17 | * 2. Redistributions in binary form must reproduce the above copyright |
18 | * notice, this list of conditions and the following disclaimer in the |
19 | * documentation and/or other materials provided with the distribution. |
20 | * 3. Neither the name of the University nor the names of its contributors |
21 | * may be used to endorse or promote products derived from this software |
22 | * without specific prior written permission. |
23 | * |
24 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
25 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
30 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
31 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
32 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
33 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
34 | * SUCH DAMAGE. |
35 | * |
36 | * @(#)kern_resource.c 8.5 (Berkeley) 1/21/94 |
37 | */ |
38 | |
39 | #include <sys/cdefs.h> |
40 | __KERNEL_RCSID(0, "$NetBSD: kern_resource_43.c,v 1.21 2007/12/20 23:02:44 dsl Exp $" ); |
41 | |
42 | #include <sys/param.h> |
43 | #include <sys/systm.h> |
44 | #include <sys/kernel.h> |
45 | #include <sys/file.h> |
46 | #include <sys/resourcevar.h> |
47 | #include <sys/proc.h> |
48 | |
49 | #include <sys/mount.h> |
50 | #include <sys/syscallargs.h> |
51 | |
52 | /* ARGSUSED */ |
53 | int |
54 | compat_43_sys_getrlimit(struct lwp *l, const struct compat_43_sys_getrlimit_args *uap, register_t *retval) |
55 | { |
56 | /* { |
57 | syscallarg(int) which; |
58 | syscallarg(struct orlimit *) rlp; |
59 | } */ |
60 | struct proc *p = l->l_proc; |
61 | int which = SCARG(uap, which); |
62 | struct orlimit olim; |
63 | |
64 | if ((u_int)which >= RLIM_NLIMITS) |
65 | return (EINVAL); |
66 | olim.rlim_cur = p->p_rlimit[which].rlim_cur; |
67 | if (olim.rlim_cur == -1) |
68 | olim.rlim_cur = 0x7fffffff; |
69 | olim.rlim_max = p->p_rlimit[which].rlim_max; |
70 | if (olim.rlim_max == -1) |
71 | olim.rlim_max = 0x7fffffff; |
72 | return copyout(&olim, SCARG(uap, rlp), sizeof(olim)); |
73 | } |
74 | |
75 | /* ARGSUSED */ |
76 | int |
77 | compat_43_sys_setrlimit(struct lwp *l, const struct compat_43_sys_setrlimit_args *uap, register_t *retval) |
78 | { |
79 | /* { |
80 | syscallarg(int) which; |
81 | syscallarg(const struct orlimit *) rlp; |
82 | } */ |
83 | int which = SCARG(uap, which); |
84 | struct orlimit olim; |
85 | struct rlimit lim; |
86 | int error; |
87 | |
88 | error = copyin(SCARG(uap, rlp), &olim, sizeof(struct orlimit)); |
89 | if (error) |
90 | return (error); |
91 | lim.rlim_cur = olim.rlim_cur; |
92 | lim.rlim_max = olim.rlim_max; |
93 | return (dosetrlimit(l, l->l_proc, which, &lim)); |
94 | } |
95 | |