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Source at commit 2740 created 8 years 11 months ago. By ifabio, sync with trunk. | |
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1 | /*␊ |
2 | * Copyright (c) 1998-2007 Apple Computer, Inc. All rights reserved.␊ |
3 | *␊ |
4 | * @APPLE_LICENSE_HEADER_START@␊ |
5 | * ␊ |
6 | * The contents of this file constitute Original Code as defined in and␊ |
7 | * are subject to the Apple Public Source License Version 1.1 (the␊ |
8 | * "License"). You may not use this file except in compliance with the␊ |
9 | * License. Please obtain a copy of the License at␊ |
10 | * http://www.apple.com/publicsource and read it before using this file.␊ |
11 | * ␊ |
12 | * This Original Code and all software distributed under the License are␊ |
13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the␊ |
17 | * License for the specific language governing rights and limitations␊ |
18 | * under the License.␊ |
19 | * ␊ |
20 | * @APPLE_LICENSE_HEADER_END@␊ |
21 | */␊ |
22 | ␊ |
23 | #ifndef _IOFWSYNCER_H␊ |
24 | #define _IOFWSYNCER_H␊ |
25 | ␊ |
26 | #include <libkern/c++/OSObject.h>␊ |
27 | #include <IOKit/IOTypes.h>␊ |
28 | #include <IOKit/IOLocks.h>␊ |
29 | ␊ |
30 | class IOFWSyncer : public OSObject␊ |
31 | {␊ |
32 | OSDeclareDefaultStructors(IOFWSyncer)␊ |
33 | ␊ |
34 | private:␊ |
35 | // The spin lock that is used to guard the 'threadMustStop' variable. ␊ |
36 | IOSimpleLock *guardLock;␊ |
37 | volatile bool threadMustStop;␊ |
38 | IOReturn fResult;␊ |
39 | virtual void free();␊ |
40 | virtual void privateSignal();␊ |
41 | ␊ |
42 | public:␊ |
43 | ␊ |
44 | static IOFWSyncer * create(bool twoRetains = true);␊ |
45 | ␊ |
46 | virtual bool init(bool twoRetains);␊ |
47 | virtual void reinit();␊ |
48 | virtual IOReturn wait(bool autoRelease = true);␊ |
49 | virtual void signal(IOReturn res = kIOReturnSuccess,␊ |
50 | ␉␉␉␉␉bool autoRelease = true);␊ |
51 | };␊ |
52 | ␊ |
53 | #endif /* !_IOFWSYNCER */␊ |
54 | ␊ |
55 |