iokit/IOKit/OSMessageNotification.h

   1 /*
   2  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License.  The rights granted to you under the
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * Copyright (c) 1999 Apple Computer, Inc.  All rights reserved.
  32  *
  33  * HISTORY
  34  *
  35  */
  36
  37 #ifndef __OS_OSMESSAGENOTIFICATION_H
  38 #define __OS_OSMESSAGENOTIFICATION_H
  39
  40 #ifdef __cplusplus
  41 extern "C" {
  42 #endif
  43
  44 #include <mach/mach_types.h>
  45 #include <IOKit/IOReturn.h>
  46
  47 enum {
  48     kFirstIOKitNotificationType                 = 100,
  49     kIOServicePublishNotificationType           = 100,
  50     kIOServiceMatchedNotificationType           = 101,
  51     kIOServiceTerminatedNotificationType        = 102,
  52     kIOAsyncCompletionNotificationType          = 150,
  53     kIOServiceMessageNotificationType           = 160,
  54     kLastIOKitNotificationType                  = 199
  55 };
  56
  57 enum {
  58     kOSNotificationMessageID            = 53,
  59     kOSAsyncCompleteMessageID           = 57,
  60     kMaxAsyncArgs                       = 16
  61 };
  62
  63 enum {
  64     kIOAsyncReservedIndex       = 0,
  65     kIOAsyncReservedCount,
  66
  67     kIOAsyncCalloutFuncIndex    = kIOAsyncReservedCount,
  68     kIOAsyncCalloutRefconIndex,
  69     kIOAsyncCalloutCount,
  70
  71     kIOMatchingCalloutFuncIndex = kIOAsyncReservedCount,
  72     kIOMatchingCalloutRefconIndex,
  73     kIOMatchingCalloutCount,
  74
  75     kIOInterestCalloutFuncIndex = kIOAsyncReservedCount,
  76     kIOInterestCalloutRefconIndex,
  77     kIOInterestCalloutServiceIndex,
  78     kIOInterestCalloutCount
  79 };
  80
  81 enum {
  82     kOSAsyncRefCount    = 8,
  83     kOSAsyncRefSize     = 32
  84 };
  85 typedef natural_t OSAsyncReference[kOSAsyncRefCount];
  86
  87 struct OSNotificationHeader {
  88     vm_size_t           size;           /* content size */
  89     natural_t           type;
  90     OSAsyncReference    reference;
  91
  92 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
  93     unsigned char       content[];
  94 #else
  95     unsigned char       content[0];
  96 #endif
  97 };
  98
  99 struct IOServiceInterestContent {
 100     natural_t   messageType;
 101     void *      messageArgument[1];
 102 };
 103
 104 struct IOAsyncCompletionContent {
 105     IOReturn result;
 106 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
 107     void * args[];
 108 #else
 109     void * args[0];
 110 #endif
 111 };
 112
 113 #ifndef __cplusplus
 114 typedef struct OSNotificationHeader OSNotificationHeader;
 115 typedef struct IOServiceInterestContent IOServiceInterestContent;
 116 typedef struct IOAsyncCompletionContent IOAsyncCompletionContent;
 117 #endif
 118
 119 #ifdef __cplusplus
 120 }
 121 #endif
 122
 123 #endif /*  __OS_OSMESSAGENOTIFICATION_H */
 124