iokit/IOKit/OSMessageNotification.h

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