1 /* $NetBSD: linux_limit.h,v 1.2 2007/12/04 18:40:16 dsl 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 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 #ifndef _LINUX_LIMIT_H_ 41 #define _LINUX_LIMIT_H_ 42 43 static int linux_to_bsd_limit(int); 44 45 #ifdef LINUX_LARGEFILE64 46 #define bsd_to_linux_rlimit1(l, b, f) \ 47 (l)->f = ((b)->f == RLIM_INFINITY || \ 48 ((b)->f & 0x8000000000000000UL) != 0) ? \ 49 LINUX_RLIM_INFINITY : (b)->f 50 #else 51 #define bsd_to_linux_rlimit1(l, b, f) \ 52 (l)->f = ((b)->f == RLIM_INFINITY || \ 53 ((b)->f & 0xffffffff00000000ULL) != 0) ? \ 54 LINUX_RLIM_INFINITY : (int32_t)(b)->f 55 #endif 56 #define bsd_to_linux_rlimit(l, b) \ 57 bsd_to_linux_rlimit1(l, b, rlim_cur); \ 58 bsd_to_linux_rlimit1(l, b, rlim_max) 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 static int 67 linux_to_bsd_limit(lim) 68 int lim; 69 { 70 switch (lim) { 71 case LINUX_RLIMIT_CPU: 72 return RLIMIT_CPU; 73 case LINUX_RLIMIT_FSIZE: 74 return RLIMIT_FSIZE; 75 case LINUX_RLIMIT_DATA: 76 return RLIMIT_DATA; 77 case LINUX_RLIMIT_STACK: 78 return RLIMIT_STACK; 79 case LINUX_RLIMIT_CORE: 80 return RLIMIT_CORE; 81 case LINUX_RLIMIT_RSS: 82 return RLIMIT_RSS; 83 case LINUX_RLIMIT_NPROC: 84 return RLIMIT_NPROC; 85 case LINUX_RLIMIT_NOFILE: 86 return RLIMIT_NOFILE; 87 case LINUX_RLIMIT_MEMLOCK: 88 return RLIMIT_MEMLOCK; 89 case LINUX_RLIMIT_AS: 90 case LINUX_RLIMIT_LOCKS: 91 return -EOPNOTSUPP; 92 default: 93 return -EINVAL; 94 } 95 } 96 97 98 #endif /* _LINUX_LIMIT_H_ */ 99