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Annotation of driverkit/Examples/UnixDisk/unixDiskPrivate.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: /*     unixDiskPrivate.h       1.0     02/07/91        (c) 1991 NeXT   
        !            25:  *
        !            26:  * unixDiskPrivate.h - Private methods for unixDisk class.
        !            27:  *
        !            28:  * HISTORY
        !            29:  * 07-Feb-91    Doug Mitchell at NeXT
        !            30:  *      Created.
        !            31:  */
        !            32: 
        !            33: #ifndef        _UNIX_PRIVATE_
        !            34: #define _UNIX_PRIVATE_
        !            35: 
        !            36: #import "unixDisk.h"
        !            37: #import "unixThread.h"
        !            38: 
        !            39: @interface unixDisk(Private)
        !            40: 
        !            41: /*
        !            42:  * Alloc and free IOBufs. As an optimization, we may want to keep free
        !            43:  * lists of these around.
        !            44:  */
        !            45: - (IOBuf_t *)allocIOBuf;
        !            46: - (void)freeIOBuf:(IOBuf_t *)IOBuf;
        !            47: 
        !            48: /*
        !            49:  * Wakeup thread waiting on IOBuf.
        !            50:  */
        !            51: - (void)IOBufDone : (IOBuf_t *)IOBuf
        !            52:                    status : (IOReturn)status;
        !            53:                    
        !            54: /*
        !            55:  * readCommon: and writeCommon: are invoked by the exported flavors of
        !            56:  * read: and write:.
        !            57:  */
        !            58: 
        !            59: - (IOReturn) readCommon : (u_int)block 
        !            60:                length : (u_int)length 
        !            61:                buffer : (void *)bufp
        !            62:                actualLength : (u_int *)actualLength    // returned 
        !            63:                pending : (void *)pending               // pending or ioKey
        !            64:                caller : (id)caller                     // for DO only
        !            65:                IOBufRtn : (IOBuf_t **)IOBufRtn;
        !            66:                
        !            67: - (IOReturn) writeCommon : (u_int)block 
        !            68:                length : (u_int)length 
        !            69:                buffer : (void *)bufp
        !            70:                actualLength : (u_int *)actualLength    // returned
        !            71:                pending : (void *)pending               // pending or ioKey
        !            72:                caller : (id)caller                     // for DO only
        !            73:                IOBufRtn : (IOBuf_t **)IOBufRtn;
        !            74: 
        !            75: 
        !            76: /*
        !            77:  * These methods are invoked by a unix_thread; they do the actual work on 
        !            78:  * unix_fd's.
        !            79:  */
        !            80: - (void)unixDeviceRead : (IOBuf_t *)IOBuf
        !            81:                           threadNum:(int)threadNum;
        !            82: - (void)unixDeviceWrite        : (IOBuf_t *)IOBuf
        !            83:                           threadNum:(int)threadNum;
        !            84: - (void)deviceEject    : (IOBuf_t *)IOBuf
        !            85:                           threadNum:(int)threadNum;
        !            86: - (void)unixDeviceAbort : (IOBuf_t *)IOBuf;
        !            87: - (void)deviceCheckReady : (IOBuf_t *)IOBuf
        !            88:                           threadNum:(int)threadNum;
        !            89: - (void)deviceProbe    : (IOBuf_t *)IOBuf;
        !            90: 
        !            91: @end
        !            92: 
        !            93: #endif _UNIX_PRIVATE_
        !            94: 
        !            95: 

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