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kern_resource_43.c revision 1.5
      1  1.5   mycroft /*	$NetBSD: kern_resource_43.c,v 1.5 1997/10/15 17:03:52 mycroft 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  1.1  christos 
     43  1.1  christos #include <sys/param.h>
     44  1.1  christos #include <sys/systm.h>
     45  1.1  christos #include <sys/kernel.h>
     46  1.1  christos #include <sys/file.h>
     47  1.1  christos #include <sys/resourcevar.h>
     48  1.1  christos #include <sys/malloc.h>
     49  1.1  christos #include <sys/proc.h>
     50  1.1  christos 
     51  1.1  christos #include <sys/mount.h>
     52  1.1  christos #include <sys/syscallargs.h>
     53  1.1  christos 
     54  1.1  christos #include <vm/vm.h>
     55  1.1  christos 
     56  1.1  christos /* ARGSUSED */
     57  1.1  christos int
     58  1.3   mycroft compat_43_sys_getrlimit(p, v, retval)
     59  1.1  christos 	struct proc *p;
     60  1.2   thorpej 	void *v;
     61  1.2   thorpej 	register_t *retval;
     62  1.2   thorpej {
     63  1.3   mycroft 	register struct compat_43_sys_getrlimit_args /* {
     64  1.5   mycroft 		syscallarg(int) which;
     65  1.5   mycroft 		syscallarg(struct orlimit *) rlp;
     66  1.2   thorpej 	} */ *uap = v;
     67  1.5   mycroft 	int which = SCARG(uap, which);
     68  1.1  christos 	struct orlimit olim;
     69  1.1  christos 
     70  1.5   mycroft 	if ((u_int)which >= RLIM_NLIMITS)
     71  1.1  christos 		return (EINVAL);
     72  1.5   mycroft 	olim.rlim_cur = p->p_rlimit[which].rlim_cur;
     73  1.1  christos 	if (olim.rlim_cur == -1)
     74  1.1  christos 		olim.rlim_cur = 0x7fffffff;
     75  1.5   mycroft 	olim.rlim_max = p->p_rlimit[which].rlim_max;
     76  1.1  christos 	if (olim.rlim_max == -1)
     77  1.1  christos 		olim.rlim_max = 0x7fffffff;
     78  1.1  christos 	return (copyout((caddr_t)&olim, (caddr_t)SCARG(uap, rlp),
     79  1.1  christos 	    sizeof(olim)));
     80  1.1  christos }
     81  1.1  christos 
     82  1.1  christos /* ARGSUSED */
     83  1.1  christos int
     84  1.3   mycroft compat_43_sys_setrlimit(p, v, retval)
     85  1.1  christos 	struct proc *p;
     86  1.2   thorpej 	void *v;
     87  1.2   thorpej 	register_t *retval;
     88  1.2   thorpej {
     89  1.3   mycroft 	struct compat_43_sys_setrlimit_args /* {
     90  1.5   mycroft 		syscallarg(int) which;
     91  1.5   mycroft 		syscallarg(const struct orlimit *) rlp;
     92  1.2   thorpej 	} */ *uap = v;
     93  1.5   mycroft 	int which = SCARG(uap, which);
     94  1.1  christos 	struct orlimit olim;
     95  1.1  christos 	struct rlimit lim;
     96  1.1  christos 	int error;
     97  1.1  christos 
     98  1.4  christos 	error = copyin((caddr_t)SCARG(uap, rlp), (caddr_t)&olim,
     99  1.4  christos 	    sizeof (struct orlimit));
    100  1.4  christos 	if (error)
    101  1.1  christos 		return (error);
    102  1.1  christos 	lim.rlim_cur = olim.rlim_cur;
    103  1.1  christos 	lim.rlim_max = olim.rlim_max;
    104  1.5   mycroft 	return (dosetrlimit(p, which, &lim));
    105  1.1  christos }
    106