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