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Annotation of sys/compat/common/kern_resource_43.c, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: kern_resource_43.c,v 1.5 2003/06/02 23:27:59 millert Exp $    */
                      2: /*     $NetBSD: kern_resource_43.c,v 1.4 1996/03/14 19:31:46 christos Exp $    */
                      3:
                      4: /*-
                      5:  * Copyright (c) 1982, 1986, 1991, 1993
                      6:  *     The Regents of the University of California.  All rights reserved.
                      7:  * (c) UNIX System Laboratories, Inc.
                      8:  * All or some portions of this file are derived from material licensed
                      9:  * to the University of California by American Telephone and Telegraph
                     10:  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
                     11:  * the permission of UNIX System Laboratories, Inc.
                     12:  *
                     13:  * Redistribution and use in source and binary forms, with or without
                     14:  * modification, are permitted provided that the following conditions
                     15:  * are met:
                     16:  * 1. Redistributions of source code must retain the above copyright
                     17:  *    notice, this list of conditions and the following disclaimer.
                     18:  * 2. Redistributions in binary form must reproduce the above copyright
                     19:  *    notice, this list of conditions and the following disclaimer in the
                     20:  *    documentation and/or other materials provided with the distribution.
                     21:  * 3. Neither the name of the University nor the names of its contributors
                     22:  *    may be used to endorse or promote products derived from this software
                     23:  *    without specific prior written permission.
                     24:  *
                     25:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     26:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     27:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     28:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     29:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     30:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     31:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     32:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     33:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     34:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     35:  * SUCH DAMAGE.
                     36:  *
                     37:  *     @(#)kern_resource.c     8.5 (Berkeley) 1/21/94
                     38:  */
                     39:
                     40: #include <sys/param.h>
                     41: #include <sys/systm.h>
                     42: #include <sys/kernel.h>
                     43: #include <sys/file.h>
                     44: #include <sys/resourcevar.h>
                     45: #include <sys/malloc.h>
                     46: #include <sys/proc.h>
                     47:
                     48: #include <sys/mount.h>
                     49: #include <sys/syscallargs.h>
                     50:
                     51: #include <uvm/uvm_extern.h>
                     52:
                     53: /* ARGSUSED */
                     54: int
                     55: compat_43_sys_getrlimit(p, v, retval)
                     56:        struct proc *p;
                     57:        void *v;
                     58:        register_t *retval;
                     59: {
                     60:        register struct compat_43_sys_getrlimit_args /* {
                     61:                syscallarg(int) which;
                     62:                syscallarg(struct ogetrlimit *) rlp;
                     63:        } */ *uap = v;
                     64:        struct orlimit olim;
                     65:
                     66:        if (SCARG(uap, which) < 0 || SCARG(uap, which) >= RLIM_NLIMITS)
                     67:                return (EINVAL);
                     68:        olim.rlim_cur = p->p_rlimit[SCARG(uap, which)].rlim_cur;
                     69:        if (olim.rlim_cur == -1)
                     70:                olim.rlim_cur = 0x7fffffff;
                     71:        olim.rlim_max = p->p_rlimit[SCARG(uap, 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(p, v, retval)
                     81:        struct proc *p;
                     82:        void *v;
                     83:        register_t *retval;
                     84: {
                     85:        struct compat_43_sys_setrlimit_args /* {
                     86:                syscallarg(int) which;
                     87:                syscallarg(struct ogetrlimit *) rlp;
                     88:        } */ *uap = v;
                     89:        struct orlimit olim;
                     90:        struct rlimit lim;
                     91:        int error;
                     92:
                     93:        error = copyin((caddr_t)SCARG(uap, rlp), (caddr_t)&olim,
                     94:            sizeof (struct orlimit));
                     95:        if (error)
                     96:                return (error);
                     97:        lim.rlim_cur = olim.rlim_cur;
                     98:        lim.rlim_max = olim.rlim_max;
                     99:        return (dosetrlimit(p, SCARG(uap, which), &lim));
                    100: }