usr/src/uts/common/sys/strredir.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 (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 /*
  23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _SYS_STRREDIR_H
  28 #define _SYS_STRREDIR_H
  29
  30 #ifdef  __cplusplus
  31 extern "C" {
  32 #endif
  33
  34 /*
  35  * strredir.h:  Declarations for the redirection driver and its matching
  36  *              STREAMS module.
  37  */
  38
  39 /*
  40  * The module's module id.
  41  *
  42  * XXX: Since there's no authority responsible for administering this name
  43  *      space, there's no guarantee that this value is unique.  That wouldn't
  44  *      be so bad except that the DKI now suggests that ioctl cookie values
  45  *      should be based on module id to make them unique...
  46  */
  47 #define STRREDIR_MODID  7326
  48
  49 /*
  50  * Redirection ioctls:
  51  */
  52 #define SRIOCSREDIR     ((STRREDIR_MODID<<16) | 1)      /* set redir target */
  53 #define SRIOCISREDIR    ((STRREDIR_MODID<<16) | 2)      /* is redir target? */
  54
  55
  56 /*
  57  * Everything from here on is of interest only to the kernel.
  58  */
  59 #ifdef  _KERNEL
  60
  61 /* name of the module used to detect closes on redirected streams */
  62 #define STRREDIR_MOD    "redirmod"
  63
  64 extern void srpop(vnode_t *, boolean_t);
  65
  66 #endif  /* _KERNEL */
  67
  68 #ifdef  __cplusplus
  69 }
  70 #endif
  71
  72 #endif  /* _SYS_STRREDIR_H */