sys/compat/linux32/common/linux32_resource.c

   1 /*      $NetBSD: linux32_resource.c,v 1.9 2008/09/22 13:07:46 njoly Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2006 Emmanuel Dreyfus, all rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the following acknowledgement:
  16  *      This product includes software developed by Emmanuel Dreyfus
  17  * 4. The name of the author may not be used to endorse or promote
  18  *    products derived from this software without specific prior written
  19  *    permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS''
  22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  23  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
  25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31  * POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <sys/cdefs.h>
  35
  36 __KERNEL_RCSID(0, "$NetBSD: linux32_resource.c,v 1.9 2008/09/22 13:07:46 njoly Exp $");
  37
  38 #include <sys/types.h>
  39 #include <sys/param.h>
  40 #include <sys/fstypes.h>
  41 #include <sys/signal.h>
  42 #include <sys/dirent.h>
  43 #include <sys/kernel.h>
  44 #include <sys/fcntl.h>
  45 #include <sys/select.h>
  46 #include <sys/proc.h>
  47 #include <sys/resourcevar.h>
  48 #include <sys/ucred.h>
  49 #include <sys/swap.h>
  50
  51 #include <machine/types.h>
  52
  53 #include <sys/syscallargs.h>
  54
  55 #include <compat/netbsd32/netbsd32.h>
  56 #include <compat/netbsd32/netbsd32_conv.h>
  57 #include <compat/netbsd32/netbsd32_syscallargs.h>
  58
  59 #include <compat/linux/common/linux_types.h>
  60 #include <compat/linux/common/linux_signal.h>
  61 #include <compat/linux/common/linux_machdep.h>
  62 #include <compat/linux/common/linux_misc.h>
  63 #include <compat/linux/common/linux_limit.h>
  64 #include <compat/linux/common/linux_oldolduname.h>
  65 #include <compat/linux/common/linux_ipc.h>
  66 #include <compat/linux/common/linux_sem.h>
  67 #include <compat/linux/linux_syscallargs.h>
  68
  69 #include <compat/linux32/common/linux32_types.h>
  70 #include <compat/linux32/common/linux32_signal.h>
  71 #include <compat/linux32/common/linux32_machdep.h>
  72 #include <compat/linux32/common/linux32_sysctl.h>
  73 #include <compat/linux32/common/linux32_socketcall.h>
  74 #include <compat/linux32/linux32_syscallargs.h>
  75
  76 int
  77 linux32_sys_getrlimit(struct lwp *l, const struct linux32_sys_getrlimit_args *uap, register_t *retval)
  78 {
  79         /* {
  80                 syscallarg(int) which;
  81                 syscallarg(netbsd32_orlimitp_t) rlp;
  82         } */
  83         struct orlimit orl;
  84         int which;
  85
  86         which = linux_to_bsd_limit(SCARG(uap, which));
  87         if (which < 0)
  88                 return -which;
  89
  90         bsd_to_linux_rlimit(&orl, &l->l_proc->p_rlimit[which]);
  91
  92         return copyout(&orl, SCARG_P32(uap, rlp), sizeof(orl));
  93 }
  94
  95 int
  96 linux32_sys_setrlimit(struct lwp *l, const struct linux32_sys_setrlimit_args *uap, register_t *retval)
  97 {
  98         /* {
  99                 syscallarg(int) which;
 100                 syscallarg(netbsd32_orlimitp_t) rlp;
 101         } */
 102         struct rlimit rl;
 103         struct orlimit orl;
 104         int error;
 105         int which;
 106
 107         if ((error = copyin(SCARG_P32(uap, rlp), &orl, sizeof(orl))) != 0)
 108                 return error;
 109
 110         which = linux_to_bsd_limit(SCARG(uap, which));
 111         if (which < 0)
 112                 return -which;
 113
 114         linux_to_bsd_rlimit(&rl, &orl);
 115
 116         return dosetrlimit(l, l->l_proc, which, &rl);
 117 }
 118
 119 int
 120 linux32_sys_ugetrlimit(struct lwp *l, const struct linux32_sys_ugetrlimit_args *uap, register_t *retval)
 121 {
 122         return linux32_sys_getrlimit(l, (const void *)uap, retval);
 123 }
 124
 125 int
 126 linux32_sys_getpriority(struct lwp *l, const struct linux32_sys_getpriority_args *uap, register_t *retval)
 127 {
 128         /* {
 129                 syscallarg(int) which;
 130                 syscallarg(int) who;
 131         } */
 132         struct sys_getpriority_args bsa;
 133         int error;
 134
 135         SCARG(&bsa, which) = SCARG(uap, which);
 136         SCARG(&bsa, who) = SCARG(uap, who);
 137
 138         if ((error = sys_getpriority(l, &bsa, retval)))
 139                 return error;
 140
 141         *retval = NZERO - *retval;
 142
 143         return 0;
 144 }