1 /* $NetBSD: kern_resource_43.c,v 1.11 2003/08/07 16:30:36 agc 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 1.11 2003/08/07 16:30:36 agc 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/malloc.h> 48 #include <sys/proc.h> 49 50 #include <sys/mount.h> 51 #include <sys/sa.h> 52 #include <sys/syscallargs.h> 53 54 /* ARGSUSED */ 55 int 56 compat_43_sys_getrlimit(struct lwp *l, void *v, register_t *retval) 57 { 58 struct compat_43_sys_getrlimit_args /* { 59 syscallarg(int) which; 60 syscallarg(struct orlimit *) rlp; 61 } */ *uap = v; 62 struct proc *p = l->l_proc; 63 int which = SCARG(uap, which); 64 struct orlimit olim; 65 66 if ((u_int)which >= RLIM_NLIMITS) 67 return (EINVAL); 68 olim.rlim_cur = p->p_rlimit[which].rlim_cur; 69 if (olim.rlim_cur == -1) 70 olim.rlim_cur = 0x7fffffff; 71 olim.rlim_max = p->p_rlimit[which].rlim_max; 72 if (olim.rlim_max == -1) 73 olim.rlim_max = 0x7fffffff; 74 return (copyout((caddr_t)&olim, (caddr_t)SCARG(uap, rlp), 75 sizeof(olim))); 76 } 77 78 /* ARGSUSED */ 79 int 80 compat_43_sys_setrlimit(struct lwp *l, void *v, register_t *retval) 81 { 82 struct compat_43_sys_setrlimit_args /* { 83 syscallarg(int) which; 84 syscallarg(const struct orlimit *) rlp; 85 } */ *uap = v; 86 struct proc *p = l->l_proc; 87 int which = SCARG(uap, which); 88 struct orlimit olim; 89 struct rlimit lim; 90 int error; 91 92 error = copyin((caddr_t)SCARG(uap, rlp), (caddr_t)&olim, 93 sizeof (struct orlimit)); 94 if (error) 95 return (error); 96 lim.rlim_cur = olim.rlim_cur; 97 lim.rlim_max = olim.rlim_max; 98 return (dosetrlimit(p, p->p_cred, which, &lim)); 99 } 100