1 /* $NetBSD: kern_resource_43.c,v 1.9 2001/11/13 02:08:01 lukem 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. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)kern_resource.c 8.5 (Berkeley) 1/21/94 41 */ 42 43 #include <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: kern_resource_43.c,v 1.9 2001/11/13 02:08:01 lukem Exp $"); 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/kernel.h> 49 #include <sys/file.h> 50 #include <sys/resourcevar.h> 51 #include <sys/malloc.h> 52 #include <sys/proc.h> 53 54 #include <sys/mount.h> 55 #include <sys/syscallargs.h> 56 57 /* ARGSUSED */ 58 int 59 compat_43_sys_getrlimit(p, v, retval) 60 struct proc *p; 61 void *v; 62 register_t *retval; 63 { 64 struct compat_43_sys_getrlimit_args /* { 65 syscallarg(int) which; 66 syscallarg(struct orlimit *) rlp; 67 } */ *uap = v; 68 int which = SCARG(uap, which); 69 struct orlimit olim; 70 71 if ((u_int)which >= RLIM_NLIMITS) 72 return (EINVAL); 73 olim.rlim_cur = p->p_rlimit[which].rlim_cur; 74 if (olim.rlim_cur == -1) 75 olim.rlim_cur = 0x7fffffff; 76 olim.rlim_max = p->p_rlimit[which].rlim_max; 77 if (olim.rlim_max == -1) 78 olim.rlim_max = 0x7fffffff; 79 return (copyout((caddr_t)&olim, (caddr_t)SCARG(uap, rlp), 80 sizeof(olim))); 81 } 82 83 /* ARGSUSED */ 84 int 85 compat_43_sys_setrlimit(p, v, retval) 86 struct proc *p; 87 void *v; 88 register_t *retval; 89 { 90 struct compat_43_sys_setrlimit_args /* { 91 syscallarg(int) which; 92 syscallarg(const struct orlimit *) rlp; 93 } */ *uap = v; 94 int which = SCARG(uap, which); 95 struct orlimit olim; 96 struct rlimit lim; 97 int error; 98 99 error = copyin((caddr_t)SCARG(uap, rlp), (caddr_t)&olim, 100 sizeof (struct orlimit)); 101 if (error) 102 return (error); 103 lim.rlim_cur = olim.rlim_cur; 104 lim.rlim_max = olim.rlim_max; 105 return (dosetrlimit(p, p->p_cred, which, &lim)); 106 } 107