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Annotation of kernel/driverkit/KernQueuePrivate.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: /*
                     26:  * Copyright (c) 1994 NeXT Computer, Inc.
                     27:  *
                     28:  * Kernel generic queue object(s).
                     29:  *
                     30:  * HISTORY
                     31:  *
                     32:  * 24 June 1994 ? at NeXT
                     33:  *     Created.
                     34:  */
                     35:  
                     36: #ifdef KERNEL_PRIVATE
                     37: 
                     38: #import <driverkit/KernQueue.h>
                     39: 
                     40: typedef struct KernQueue_ {
                     41:     @defs(KernQueue)
                     42: } KernQueue_;
                     43: 
                     44: #define First          _head.next
                     45: #define Last           _head.prev
                     46: 
                     47: #define        _first          ((id)First)
                     48: #define _last          ((id)Last)
                     49: 
                     50: #define QFirst(q)      ((KernQueue_ *)(q))->First
                     51: #define QLast(q)       ((KernQueue_ *)(q))->Last
                     52: 
                     53: typedef struct KernQueueEntry_ {
                     54:     @defs(KernQueueEntry)
                     55: } KernQueueEntry_;
                     56: 
                     57: #define        Next            _link.next
                     58: #define Prev           _link.prev
                     59: 
                     60: #define _next          ((id)Next)
                     61: #define _prev          ((id)Prev)
                     62: 
                     63: #define QENext(e)      ((KernQueueEntry_ *)(e))->Next
                     64: #define QEPrev(e)      ((KernQueueEntry_ *)(e))->Prev
                     65: #define QEQueue(e)     ((KernQueueEntry_ *)(e))->_queue
                     66: #define QEObject(e)    ((KernQueueEntry_ *)(e))->_object
                     67: 
                     68: #endif

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