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Annotation of driverkit/Examples/UnixDisk/unixDiskPrivate.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: /*     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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