1 /* $NetBSD: linux_limit.h,v 1.7 2015/02/28 13:08:00 njoly Exp $ */
2
3 /*-
4 * Copyright (c) 1995, 1998, 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Frank van der Linden and Eric Haszlakiewicz; by Jason R. Thorpe
9 * of the Numerical Aerospace Simulation Facility, NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #ifndef _LINUX_LIMIT_H_
34 #define _LINUX_LIMIT_H_
35
36 static int linux_to_bsd_limit(int);
37
38 #ifdef LINUX_LARGEFILE64
39 #define bsd_to_linux_rlimit1(l, b, f) \
40 (l)->f = ((b)->f == RLIM_INFINITY || \
41 ((b)->f & 0x8000000000000000UL) != 0) ? \
42 LINUX_RLIM_INFINITY : (b)->f
43 #else
44 #define bsd_to_linux_rlimit1(l, b, f) \
45 (l)->f = ((b)->f == RLIM_INFINITY || \
46 ((b)->f & 0xffffffff00000000ULL) != 0) ? \
47 LINUX_RLIM_INFINITY : (int32_t)(b)->f
48 #endif
49 #define bsd_to_linux_rlimit(l, b) \
50 bsd_to_linux_rlimit1(l, b, rlim_cur); \
51 bsd_to_linux_rlimit1(l, b, rlim_max)
52
53 #define linux_to_bsd_rlimit1(b, l, f) \
54 (b)->f = (l)->f == LINUX_RLIM_INFINITY ? RLIM_INFINITY : (l)->f
55 #define linux_to_bsd_rlimit(b, l) \
56 linux_to_bsd_rlimit1(b, l, rlim_cur); \
57 linux_to_bsd_rlimit1(b, l, rlim_max)
58
59 #define linux32_to_bsd_rlimit1(b, l, f) \
60 (b)->f = (l)->f == LINUX32_RLIM_INFINITY ? RLIM_INFINITY : (uint32_t)(l)->f
61 #define linux32_to_bsd_rlimit(b, l) \
62 linux32_to_bsd_rlimit1(b, l, rlim_cur); \
63 linux32_to_bsd_rlimit1(b, l, rlim_max)
64
65 static int
linux_to_bsd_limit(int lim)66 linux_to_bsd_limit(int lim)
67 {
68 switch (lim) {
69 case LINUX_RLIMIT_CPU:
70 return RLIMIT_CPU;
71 case LINUX_RLIMIT_FSIZE:
72 return RLIMIT_FSIZE;
73 case LINUX_RLIMIT_DATA:
74 return RLIMIT_DATA;
75 case LINUX_RLIMIT_STACK:
76 return RLIMIT_STACK;
77 case LINUX_RLIMIT_CORE:
78 return RLIMIT_CORE;
79 case LINUX_RLIMIT_RSS:
80 return RLIMIT_RSS;
81 case LINUX_RLIMIT_NPROC:
82 return RLIMIT_NPROC;
83 case LINUX_RLIMIT_NOFILE:
84 return RLIMIT_NOFILE;
85 case LINUX_RLIMIT_MEMLOCK:
86 return RLIMIT_MEMLOCK;
87 case LINUX_RLIMIT_AS:
88 return RLIMIT_AS;
89 case LINUX_RLIMIT_LOCKS:
90 return -EOPNOTSUPP;
91 default:
92 return -EINVAL;
93 }
94 }
95
96
97 #endif /* _LINUX_LIMIT_H_ */
98