1 /* $NetBSD: linux_limit.h,v 1.10 2024/10/01 16:41:29 riastradh 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 #define bsd_to_linux_rlimit64_1(l, b, f) \ 39 (l)->f = ((b)->f == RLIM_INFINITY || \ 40 ((b)->f & 0x8000000000000000UL) != 0) ? \ 41 LINUX_RLIM_INFINITY : (b)->f 42 #define bsd_to_linux_rlimit32_1(l, b, f) \ 43 (l)->f = ((b)->f == RLIM_INFINITY || \ 44 ((b)->f & 0xffffffff00000000ULL) != 0) ? \ 45 LINUX_RLIM_INFINITY : (int32_t)(b)->f 46 47 #define bsd_to_linux_rlimit64(l, b) \ 48 bsd_to_linux_rlimit64_1(l, b, rlim_cur); \ 49 bsd_to_linux_rlimit64_1(l, b, rlim_max) 50 #define bsd_to_linux_rlimit32(l, b) \ 51 bsd_to_linux_rlimit32_1(l, b, rlim_cur); \ 52 bsd_to_linux_rlimit32_1(l, b, rlim_max) 53 54 #ifdef LINUX_LARGEFILE64 55 #define bsd_to_linux_rlimit(l, b) bsd_to_linux_rlimit64(l, b) 56 #else 57 #define bsd_to_linux_rlimit(l, b) bsd_to_linux_rlimit32(l, b) 58 #endif 59 60 #define linux_to_bsd_rlimit1(b, l, f) \ 61 (b)->f = (l)->f == LINUX_RLIM_INFINITY ? RLIM_INFINITY : (l)->f 62 #define linux_to_bsd_rlimit(b, l) \ 63 linux_to_bsd_rlimit1(b, l, rlim_cur); \ 64 linux_to_bsd_rlimit1(b, l, rlim_max) 65 66 #define linux32_to_bsd_rlimit1(b, l, f) \ 67 (b)->f = (l)->f == LINUX32_RLIM_INFINITY ? RLIM_INFINITY : (uint32_t)(l)->f 68 #define linux32_to_bsd_rlimit(b, l) \ 69 linux32_to_bsd_rlimit1(b, l, rlim_cur); \ 70 linux32_to_bsd_rlimit1(b, l, rlim_max) 71 72 static int 73 linux_to_bsd_limit(int lim) 74 { 75 switch (lim) { 76 case LINUX_RLIMIT_CPU: 77 return RLIMIT_CPU; 78 case LINUX_RLIMIT_FSIZE: 79 return RLIMIT_FSIZE; 80 case LINUX_RLIMIT_DATA: 81 return RLIMIT_DATA; 82 case LINUX_RLIMIT_STACK: 83 return RLIMIT_STACK; 84 case LINUX_RLIMIT_CORE: 85 return RLIMIT_CORE; 86 case LINUX_RLIMIT_RSS: 87 return RLIMIT_RSS; 88 case LINUX_RLIMIT_NPROC: 89 return RLIMIT_NPROC; 90 case LINUX_RLIMIT_NOFILE: 91 return RLIMIT_NOFILE; 92 case LINUX_RLIMIT_MEMLOCK: 93 return RLIMIT_MEMLOCK; 94 case LINUX_RLIMIT_AS: 95 return RLIMIT_AS; 96 case LINUX_RLIMIT_LOCKS: 97 case LINUX_RLIMIT_SIGPENDING: 98 case LINUX_RLIMIT_MSGQUEUE: 99 case LINUX_RLIMIT_NICE: 100 case LINUX_RLIMIT_RTPRIO: 101 case LINUX_RLIMIT_RTTIME: 102 return -EOPNOTSUPP; 103 default: 104 return -EINVAL; 105 } 106 } 107 108 109 #endif /* _LINUX_LIMIT_H_ */ 110