sys/compat/linux/common/linux_fcntl64.c

   1 /*      $NetBSD: linux_fcntl64.c,v 1.3 2008/02/12 10:59:57 he Exp $     */
   2
   3 /*-
   4  * Copyright (c) 1995, 1998, 2000 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Frank van der Linden and Eric Haszlakiewicz.
   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 /*
  33  * Linux 64bit-offset filesystem calls.
  34  */
  35
  36 #include <sys/cdefs.h>
  37 __KERNEL_RCSID(0, "$NetBSD: linux_fcntl64.c,v 1.3 2008/02/12 10:59:57 he Exp $");
  38
  39 #include <sys/param.h>
  40 #include <sys/systm.h>
  41 #include <sys/proc.h>
  42 #include <sys/file.h>
  43 #include <sys/filedesc.h>
  44 #include <sys/fstypes.h>
  45 #include <sys/vfs_syscalls.h>
  46 #include <sys/conf.h>
  47
  48 #include <sys/syscallargs.h>
  49
  50 #include <compat/linux/common/linux_types.h>
  51 #include <compat/linux/common/linux_fcntl.h>
  52 #include <compat/linux/common/linux_machdep.h>
  53
  54 #include <compat/linux/linux_syscallargs.h>
  55
  56 conv_linux_flock(linux, flock64)
  57
  58 int
  59 linux_sys_fcntl64(struct lwp *l, const struct linux_sys_fcntl64_args *uap, register_t *retval)
  60 {
  61         /* {
  62                 syscallarg(int) fd;
  63                 syscallarg(int) cmd;
  64                 syscallarg(void *) arg;
  65         } */
  66         int cmd = SCARG(uap, cmd);
  67
  68         switch (cmd) {
  69         case LINUX_F_GETLK64:
  70                 do_linux_getlk(SCARG(uap, fd), cmd, SCARG(uap, arg),
  71                     linux, flock64);
  72         case LINUX_F_SETLK64:
  73         case LINUX_F_SETLKW64:
  74                 do_linux_setlk(SCARG(uap, fd), cmd, SCARG(uap, arg),
  75                     linux, flock64, LINUX_F_SETLK64);
  76         default:
  77                 return linux_sys_fcntl(l, (const void *)uap, retval);
  78         }
  79 }