include/sys/sysmsg_impl.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 1996-1999 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26
  27 #ifndef _SYS_SYSMSG_IMPL_H
  28 #define _SYS_SYSMSG_IMPL_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 #define SYSMSG          "/dev/sysmsg"
  37
  38 /*
  39  * consadm(8) uses these ioctls to interface with /dev/sysmsg.
  40  */
  41
  42 /*
  43  * When the ioctl is called with a zero length buffer, then the
  44  * /dev/sysmsg module will return the size of the buffer needed to
  45  * contain a space separated list of auxiliary device names.
  46  *
  47  * When a buffer of the correct size is provided, the ioctl returns
  48  * a space separated list of auxiliary device names.
  49  */
  50 #define CIOCGETCONSOLE  0
  51
  52 /*
  53  * Set the given device to be an auxiliary console.  This will cause
  54  * console messages to also appear on that device.
  55  */
  56 #define CIOCSETCONSOLE  1
  57
  58 /*
  59  * Unset the given device as an auxiliary console.  Console
  60  * messages will not be displayed on that device any longer.
  61  */
  62 #define CIOCRMCONSOLE   2
  63
  64 /*
  65  * Return the dev_t for the controlling tty
  66  */
  67 #define CIOCTTYCONSOLE  3
  68
  69 #ifdef  __cplusplus
  70 }
  71 #endif
  72
  73 #endif  /* _SYS_SYSMSG_IMPL_H */