sys/emulation/43bsd/43bsd_resource.c

   1 /*
   2  * 43BSD_RESOURCE.C     - 4.3BSD compatibility exit syscalls
   3  *
   4  * Copyright (c) 1982, 1986, 1989, 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  * $DragonFly: src/sys/emulation/43bsd/43bsd_resource.c,v 1.2 2006/06/05 07:26:07 dillon Exp $
  37  *      from: DragonFly kern/kern_resource.c,v 1.14
  38  *
  39  * These syscalls used to live in kern/kern_resource.c.  They are modified
  40  * to use the new split syscalls.
  41  */
  42
  43 #include "opt_compat.h"
  44
  45 #include <sys/param.h>
  46 #include <sys/systm.h>
  47 #include <sys/sysproto.h>
  48 #include <sys/conf.h>
  49 #include <sys/kernel.h>
  50 #include <sys/kern_syscall.h>
  51 #include <sys/resourcevar.h>
  52
  53 /*
  54  * MPSAFE
  55  */
  56 int
  57 sys_ogetrlimit(struct ogetrlimit_args *uap)
  58 {
  59         struct orlimit olim;
  60         struct rlimit lim;
  61         int error;
  62
  63         error = kern_getrlimit(uap->which, &lim);
  64
  65         if (error == 0) {
  66                 olim.rlim_cur = lim.rlim_cur;
  67                 if (olim.rlim_cur == -1)
  68                         olim.rlim_cur = 0x7fffffff;
  69                 olim.rlim_max = lim.rlim_max;
  70                 if (olim.rlim_max == -1)
  71                         olim.rlim_max = 0x7fffffff;
  72                 error = copyout(&olim, uap->rlp, sizeof(*uap->rlp));
  73         }
  74         return (error);
  75
  76 }
  77
  78 /*
  79  * MPSAFE
  80  */
  81 int
  82 sys_osetrlimit(struct osetrlimit_args *uap)
  83 {
  84         struct orlimit olim;
  85         struct rlimit lim;
  86         int error;
  87
  88         error = copyin(uap->rlp, &olim, sizeof(olim));
  89         if (error)
  90                 return (error);
  91         lim.rlim_cur = olim.rlim_cur;
  92         lim.rlim_max = olim.rlim_max;
  93
  94         error = kern_setrlimit(uap->which, &lim);
  95
  96         return (error);
  97
  98 }