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Annotation of driverkit/Examples/UnixDisk/unixThread.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: /*     unixThread.h            1.0     02/07/91        (c) 1991 NeXT   
                     25:  *
                     26:  * unixThread.h - unixDisk device thread support.
                     27:  *
                     28:  * HISTORY
                     29:  * 07-Feb-91    Doug Mitchell at NeXT
                     30:  *      Created.
                     31:  */
                     32: 
                     33: #ifndef        _UNIX_THREAD_
                     34: #define _UNIX_THREAD_
                     35: 
                     36: #import <driverkit/return.h>
                     37: #import <objc/objc.h>
                     38: #import <mach/cthreads.h>
                     39: #import <kernserv/queue.h>
                     40: #import "unixDisk.h"
                     41: 
                     42: 
                     43: @interface unixDisk(Thread)
                     44: 
                     45: /*
                     46:  * Enqueue an IOBuf on an IOQueue and wake up anyone who might be waiting 
                     47:  * for the IOBuf.
                     48:  */
                     49: - (void) enqueueIoBuf : (IOBuf_t *)buf
                     50:                         needs_disk : (BOOL)needs_disk;
                     51: 
                     52: /*
                     53:  * Wakeup up I/O threads. Used for 'diskBecameReady' notification.
                     54:  */
                     55: - (void)ioThreadWakeup;
                     56: 
                     57: /*
                     58:  * Unlock IOQueue.qlock, updating condition variable as appropriate.
                     59:  */
                     60: - (void)unlockIOQueue;
                     61: 
                     62: @end
                     63: 
                     64: extern void unix_thread(IOQueue_t *queue);
                     65: 
                     66: #endif _UNIX_THREAD_

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