sys/compat/irix/irix_resource.c

   1 /*      $NetBSD: irix_resource.c,v 1.14 2008/04/28 20:23:42 martin Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Emmanuel Dreyfus.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: irix_resource.c,v 1.14 2008/04/28 20:23:42 martin Exp $");
  34
  35 #include <sys/types.h>
  36 #include <sys/signal.h>
  37 #include <sys/param.h>
  38 #include <sys/mount.h>
  39 #include <sys/proc.h>
  40 #include <sys/systm.h>
  41 #include <sys/resource.h>
  42 #include <sys/resourcevar.h>
  43 #include <sys/syscallargs.h>
  44
  45 #include <compat/common/compat_util.h>
  46
  47 #include <compat/irix/irix_types.h>
  48 #include <compat/irix/irix_signal.h>
  49 #include <compat/irix/irix_resource.h>
  50 #include <compat/irix/irix_syscallargs.h>
  51
  52 static int irix_to_native_resource(int);
  53
  54 static int
  55 irix_to_native_resource(int irix_res)
  56 {
  57         int bsd_res;
  58
  59         switch(irix_res) {
  60         case IRIX_RLIMIT_CPU:
  61                 bsd_res = RLIMIT_CPU;
  62                 break;
  63         case IRIX_RLIMIT_FSIZE:
  64                 bsd_res = RLIMIT_FSIZE;
  65                 break;
  66         case IRIX_RLIMIT_DATA:
  67                 bsd_res = RLIMIT_DATA;
  68                 break;
  69         case IRIX_RLIMIT_STACK:
  70                 bsd_res = RLIMIT_STACK;
  71                 break;
  72         case IRIX_RLIMIT_CORE:
  73                 bsd_res = RLIMIT_CORE;
  74                 break;
  75         case IRIX_RLIMIT_NOFILE:
  76                 bsd_res = RLIMIT_NOFILE;
  77                 break;
  78         case IRIX_RLIMIT_VMEM:
  79                 bsd_res = RLIMIT_AS;
  80                 break;
  81         case IRIX_RLIMIT_RSS:
  82                 bsd_res = RLIMIT_RSS;
  83                 break;
  84         case IRIX_RLIMIT_PTHREAD:
  85                 printf("Warning: ignored IRIX pthread rlimit flag\n");
  86         default:
  87                 bsd_res = -1;
  88                 break;
  89         }
  90         return bsd_res;
  91 }
  92
  93 int
  94 irix_sys_getrlimit(struct lwp *l, const struct irix_sys_getrlimit_args *uap, register_t *retval)
  95 {
  96         /* {
  97                 syscallarg(int) resource;
  98                 syscallarg(struct irix_rlimit *) rlp;
  99         } */
 100         struct rlimit *rlp;
 101         struct irix_rlimit irlp;
 102         int which;
 103
 104         which = irix_to_native_resource(SCARG(uap, resource));
 105         if (which < 0)
 106                 return EINVAL;
 107
 108         rlp = &l->l_proc->p_rlimit[which];
 109
 110         if (rlp->rlim_cur == RLIM_INFINITY)
 111                 irlp.rlim_cur = IRIX_RLIM_INFINITY;
 112         else
 113                 irlp.rlim_cur = rlp->rlim_cur;
 114
 115         if (rlp->rlim_max == RLIM_INFINITY)
 116                 irlp.rlim_max = IRIX_RLIM_INFINITY;
 117         else
 118                 irlp.rlim_max = rlp->rlim_cur;
 119
 120         return copyout(&irlp, SCARG(uap, rlp), sizeof(irlp));
 121 }
 122
 123 int
 124 irix_sys_getrlimit64(struct lwp *l, const struct irix_sys_getrlimit64_args *uap, register_t *retval)
 125 {
 126         /* {
 127                 syscallarg(int) resource;
 128                 syscallarg(struct irix_rlimit64 *) rlp;
 129         } */
 130         struct rlimit *rlp;
 131         struct irix_rlimit64 irlp;
 132         int which;
 133
 134         which = irix_to_native_resource(SCARG(uap, resource));
 135         if (which < 0)
 136                 return EINVAL;
 137
 138         rlp = &l->l_proc->p_rlimit[which];
 139
 140         if (rlp->rlim_cur == RLIM_INFINITY)
 141                 irlp.rlim_cur = IRIX_RLIM64_INFINITY;
 142         else
 143                 irlp.rlim_cur = rlp->rlim_cur;
 144
 145         if (rlp->rlim_max == RLIM_INFINITY)
 146                 irlp.rlim_max = IRIX_RLIM64_INFINITY;
 147         else
 148                 irlp.rlim_max = rlp->rlim_cur;
 149
 150         return copyout(&irlp, SCARG(uap, rlp), sizeof(irlp));
 151 }
 152
 153 int
 154 irix_sys_setrlimit(struct lwp *l, const struct irix_sys_setrlimit_args *uap, register_t *retval)
 155 {
 156         /* {
 157                 syscallarg(int) resource;
 158                 syscallarg(const struct irix_rlimit *) rlp;
 159         } */
 160         struct irix_rlimit irlp;
 161         struct rlimit rlp;
 162         int which;
 163         int error;
 164
 165         which = irix_to_native_resource(SCARG(uap, resource));
 166         if (which < 0)
 167                 return EINVAL;
 168
 169         if ((error = copyin(SCARG(uap, rlp), &irlp, sizeof(irlp))) != 0)
 170                 return error;
 171
 172         if (irlp.rlim_cur == IRIX_RLIM_INFINITY)
 173                 rlp.rlim_cur = RLIM_INFINITY;
 174         else
 175                 rlp.rlim_cur = irlp.rlim_cur;
 176
 177         if (irlp.rlim_max == IRIX_RLIM_INFINITY)
 178                 rlp.rlim_max = RLIM_INFINITY;
 179         else
 180                 rlp.rlim_max = irlp.rlim_cur;
 181
 182         return dosetrlimit(l, l->l_proc, which, &rlp);
 183 }
 184
 185 int
 186 irix_sys_setrlimit64(struct lwp *l, const struct irix_sys_setrlimit64_args *uap, register_t *retval)
 187 {
 188         /* {
 189                 syscallarg(int) resource;
 190                 syscallarg(const struct irix_rlimit64 *) rlp;
 191         } */
 192         struct rlimit rlp;
 193         struct irix_rlimit64 irlp;
 194         int which;
 195         int error;
 196
 197         which = irix_to_native_resource(SCARG(uap, resource));
 198         if (which < 0)
 199                 return EINVAL;
 200
 201         if ((error = copyin(SCARG(uap, rlp), &irlp, sizeof(irlp))) != 0)
 202                 return error;
 203
 204         if (irlp.rlim_cur == IRIX_RLIM64_INFINITY)
 205                 rlp.rlim_cur = RLIM_INFINITY;
 206         else
 207                 rlp.rlim_cur = irlp.rlim_cur;
 208
 209         if (irlp.rlim_max == IRIX_RLIM64_INFINITY)
 210                 rlp.rlim_max = RLIM_INFINITY;
 211         else
 212                 rlp.rlim_max = irlp.rlim_cur;
 213
 214         return dosetrlimit(l, l->l_proc, which, &rlp);
 215 }