iokit/IOKit/OSMessageNotification.h

   1 /*
   2  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * Copyright (c) 1999 Apple Computer, Inc.  All rights reserved.
  24  *
  25  * HISTORY
  26  *
  27  */
  28
  29 #ifndef __OS_OSMESSAGENOTIFICATION_H
  30 #define __OS_OSMESSAGENOTIFICATION_H
  31
  32 #ifdef __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 #include <mach/mach_types.h>
  37 #include <IOKit/IOReturn.h>
  38
  39 enum {
  40     kFirstIOKitNotificationType                 = 100,
  41     kIOServicePublishNotificationType           = 100,
  42     kIOServiceMatchedNotificationType           = 101,
  43     kIOServiceTerminatedNotificationType        = 102,
  44     kIOAsyncCompletionNotificationType          = 150,
  45     kIOServiceMessageNotificationType           = 160,
  46     kLastIOKitNotificationType                  = 199
  47 };
  48
  49 enum {
  50     kOSNotificationMessageID            = 53,
  51     kOSAsyncCompleteMessageID           = 57,
  52     kMaxAsyncArgs                       = 16
  53 };
  54
  55 enum {
  56     kIOAsyncReservedIndex       = 0,
  57     kIOAsyncReservedCount,
  58
  59     kIOAsyncCalloutFuncIndex    = kIOAsyncReservedCount,
  60     kIOAsyncCalloutRefconIndex,
  61     kIOAsyncCalloutCount,
  62
  63     kIOMatchingCalloutFuncIndex = kIOAsyncReservedCount,
  64     kIOMatchingCalloutRefconIndex,
  65     kIOMatchingCalloutCount,
  66
  67     kIOInterestCalloutFuncIndex = kIOAsyncReservedCount,
  68     kIOInterestCalloutRefconIndex,
  69     kIOInterestCalloutServiceIndex,
  70     kIOInterestCalloutCount
  71 };
  72
  73 enum {
  74     kOSAsyncRefCount    = 8,
  75     kOSAsyncRefSize     = 32
  76 };
  77 typedef natural_t OSAsyncReference[kOSAsyncRefCount];
  78
  79 struct OSNotificationHeader {
  80     vm_size_t           size;           /* content size */
  81     natural_t           type;
  82     OSAsyncReference    reference;
  83
  84 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
  85     unsigned char       content[];
  86 #else
  87     unsigned char       content[0];
  88 #endif
  89 };
  90
  91 struct IOServiceInterestContent {
  92     natural_t   messageType;
  93     void *      messageArgument[1];
  94 };
  95
  96 struct IOAsyncCompletionContent {
  97     IOReturn result;
  98 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
  99     void * args[];
 100 #else
 101     void * args[0];
 102 #endif
 103 };
 104
 105 #ifndef __cplusplus
 106 typedef struct OSNotificationHeader OSNotificationHeader;
 107 typedef struct IOServiceInterestContent IOServiceInterestContent;
 108 typedef struct IOAsyncCompletionContent IOAsyncCompletionContent;
 109 #endif
 110
 111 #ifdef __cplusplus
 112 }
 113 #endif
 114
 115 #endif /*  __OS_OSMESSAGENOTIFICATION_H */
 116