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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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