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Annotation of kernel/driverkit/KernDevicePrivate.h, revision 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) 1993, 1994 NeXT Computer, Inc.
        !            27:  *
        !            28:  * Private declarations for Kernel Device Object.
        !            29:  *
        !            30:  * HISTORY
        !            31:  *
        !            32:  * 27 Feb 1994 ? at NeXT
        !            33:  *     Major rewrite.
        !            34:  * 3 Oct 1993 ? at NeXT
        !            35:  *     Created.
        !            36:  */
        !            37: 
        !            38: #ifdef KERNEL_PRIVATE
        !            39:  
        !            40: #import <mach/mach_types.h>
        !            41: #import <ipc/ipc_kmsg.h>
        !            42: #import <kern/thread_call_private.h>
        !            43:  
        !            44: #import <objc/objc.h>
        !            45:                                
        !            46: @interface KernDevice(Private)
        !            47: 
        !            48: - (void)_detachInterruptSources;
        !            49: 
        !            50: @end
        !            51: 
        !            52: typedef struct KernDeviceInterrupt_ {
        !            53:     @defs(KernDeviceInterrupt)
        !            54: } KernDeviceInterrupt_;
        !            55: 
        !            56: /*
        !            57:  * Information used to send an ipc
        !            58:  * message from interrupt context.
        !            59:  * Besides one static reference, we
        !            60:  * hold an extra reference to the
        !            61:  * interrupt port.  This obviates
        !            62:  * the need to aquire a reference
        !            63:  * at interrupt time for the in
        !            64:  * transit message.
        !            65:  */
        !            66: 
        !            67: typedef struct _KernDeviceInterruptMsg {
        !            68:     struct ipc_kmsg            kmsg;
        !            69:     ipc_port_t                 iport;
        !            70:     id                         lock;
        !            71:     struct _thread_call        callout;
        !            72:     BOOL                       queued  :1,     /* on message queue */
        !            73:                                pending :1,     /* callout pending */
        !            74:                                destroy :1,     /* destroy on release */
        !            75:                                        :0;
        !            76: } KernDeviceInterruptMsg;
        !            77: 
        !            78: void
        !            79: KernDeviceInterruptMsgRelease(
        !            80:        void                            *msg
        !            81: );
        !            82: 
        !            83: static
        !            84: KernDeviceInterruptMsg *
        !            85: _KernDeviceInterruptMsgCreate(
        !            86:        ipc_port_t                      interruptPort
        !            87: );
        !            88: static
        !            89: void
        !            90: _KernDeviceInterruptMsgDestroy(
        !            91:        KernDeviceInterruptMsg          *interruptMsg
        !            92: );
        !            93: 
        !            94: static
        !            95: void
        !            96: _KernDeviceInterruptCallout(
        !            97:        KernDeviceInterruptMsg          *interruptMsg
        !            98: );
        !            99: 
        !           100: #endif

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