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kern_resource_43.c revision 1.9.12.1
      1  1.9.12.1  gmcgarry /*	$NetBSD: kern_resource_43.c,v 1.9.12.1 2002/12/18 01:05:44 gmcgarry Exp $	*/
      2       1.1  christos 
      3       1.1  christos /*-
      4       1.1  christos  * Copyright (c) 1982, 1986, 1991, 1993
      5       1.1  christos  *	The Regents of the University of California.  All rights reserved.
      6       1.1  christos  * (c) UNIX System Laboratories, Inc.
      7       1.1  christos  * All or some portions of this file are derived from material licensed
      8       1.1  christos  * to the University of California by American Telephone and Telegraph
      9       1.1  christos  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
     10       1.1  christos  * the permission of UNIX System Laboratories, Inc.
     11       1.1  christos  *
     12       1.1  christos  * Redistribution and use in source and binary forms, with or without
     13       1.1  christos  * modification, are permitted provided that the following conditions
     14       1.1  christos  * are met:
     15       1.1  christos  * 1. Redistributions of source code must retain the above copyright
     16       1.1  christos  *    notice, this list of conditions and the following disclaimer.
     17       1.1  christos  * 2. Redistributions in binary form must reproduce the above copyright
     18       1.1  christos  *    notice, this list of conditions and the following disclaimer in the
     19       1.1  christos  *    documentation and/or other materials provided with the distribution.
     20       1.1  christos  * 3. All advertising materials mentioning features or use of this software
     21       1.1  christos  *    must display the following acknowledgement:
     22       1.1  christos  *	This product includes software developed by the University of
     23       1.1  christos  *	California, Berkeley and its contributors.
     24       1.1  christos  * 4. Neither the name of the University nor the names of its contributors
     25       1.1  christos  *    may be used to endorse or promote products derived from this software
     26       1.1  christos  *    without specific prior written permission.
     27       1.1  christos  *
     28       1.1  christos  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     29       1.1  christos  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     30       1.1  christos  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     31       1.1  christos  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     32       1.1  christos  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     33       1.1  christos  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     34       1.1  christos  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     35       1.1  christos  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     36       1.1  christos  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     37       1.1  christos  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     38       1.1  christos  * SUCH DAMAGE.
     39       1.1  christos  *
     40       1.1  christos  *	@(#)kern_resource.c	8.5 (Berkeley) 1/21/94
     41       1.1  christos  */
     42       1.9     lukem 
     43       1.9     lukem #include <sys/cdefs.h>
     44  1.9.12.1  gmcgarry __KERNEL_RCSID(0, "$NetBSD: kern_resource_43.c,v 1.9.12.1 2002/12/18 01:05:44 gmcgarry Exp $");
     45       1.1  christos 
     46       1.1  christos #include <sys/param.h>
     47       1.1  christos #include <sys/systm.h>
     48       1.1  christos #include <sys/kernel.h>
     49       1.1  christos #include <sys/file.h>
     50       1.1  christos #include <sys/resourcevar.h>
     51       1.1  christos #include <sys/malloc.h>
     52       1.1  christos #include <sys/proc.h>
     53       1.1  christos 
     54       1.1  christos #include <sys/mount.h>
     55       1.1  christos #include <sys/syscallargs.h>
     56       1.1  christos 
     57       1.1  christos /* ARGSUSED */
     58       1.1  christos int
     59       1.3   mycroft compat_43_sys_getrlimit(p, v, retval)
     60       1.1  christos 	struct proc *p;
     61       1.2   thorpej 	void *v;
     62       1.2   thorpej 	register_t *retval;
     63       1.2   thorpej {
     64       1.7  augustss 	struct compat_43_sys_getrlimit_args /* {
     65       1.5   mycroft 		syscallarg(int) which;
     66       1.5   mycroft 		syscallarg(struct orlimit *) rlp;
     67       1.2   thorpej 	} */ *uap = v;
     68       1.5   mycroft 	int which = SCARG(uap, which);
     69       1.1  christos 	struct orlimit olim;
     70       1.1  christos 
     71       1.5   mycroft 	if ((u_int)which >= RLIM_NLIMITS)
     72       1.1  christos 		return (EINVAL);
     73       1.5   mycroft 	olim.rlim_cur = p->p_rlimit[which].rlim_cur;
     74       1.1  christos 	if (olim.rlim_cur == -1)
     75       1.1  christos 		olim.rlim_cur = 0x7fffffff;
     76       1.5   mycroft 	olim.rlim_max = p->p_rlimit[which].rlim_max;
     77       1.1  christos 	if (olim.rlim_max == -1)
     78       1.1  christos 		olim.rlim_max = 0x7fffffff;
     79       1.1  christos 	return (copyout((caddr_t)&olim, (caddr_t)SCARG(uap, rlp),
     80       1.1  christos 	    sizeof(olim)));
     81       1.1  christos }
     82       1.1  christos 
     83       1.1  christos /* ARGSUSED */
     84       1.1  christos int
     85       1.3   mycroft compat_43_sys_setrlimit(p, v, retval)
     86       1.1  christos 	struct proc *p;
     87       1.2   thorpej 	void *v;
     88       1.2   thorpej 	register_t *retval;
     89       1.2   thorpej {
     90       1.3   mycroft 	struct compat_43_sys_setrlimit_args /* {
     91       1.5   mycroft 		syscallarg(int) which;
     92       1.5   mycroft 		syscallarg(const struct orlimit *) rlp;
     93       1.2   thorpej 	} */ *uap = v;
     94       1.5   mycroft 	int which = SCARG(uap, which);
     95       1.1  christos 	struct orlimit olim;
     96       1.1  christos 	struct rlimit lim;
     97       1.1  christos 	int error;
     98       1.1  christos 
     99       1.4  christos 	error = copyin((caddr_t)SCARG(uap, rlp), (caddr_t)&olim,
    100       1.4  christos 	    sizeof (struct orlimit));
    101       1.4  christos 	if (error)
    102       1.1  christos 		return (error);
    103       1.1  christos 	lim.rlim_cur = olim.rlim_cur;
    104       1.1  christos 	lim.rlim_max = olim.rlim_max;
    105  1.9.12.1  gmcgarry 	return (dosetrlimit(p, p->p_ucred, which, &lim));
    106       1.1  christos }
    107