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| Source at commit 1808 created 12 years 4 months ago. By blackosx, Revise layout of package installer 'Welcome' file so it looks cleaner. Change the copyright notice to begin from 2009 as seen in the Chameleon 2.0 r431 installer. Should this date be set earlier? | |
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| 1 | /*␊ |
| 2 | * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.␊ |
| 3 | *␊ |
| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@␊ |
| 5 | * ␊ |
| 6 | * This file contains Original Code and/or Modifications of Original Code␊ |
| 7 | * as defined in and that are subject to the Apple Public Source License␊ |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in␊ |
| 9 | * compliance with the License. The rights granted to you under the License␊ |
| 10 | * may not be used to create, or enable the creation or redistribution of,␊ |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to␊ |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any␊ |
| 13 | * terms of an Apple operating system software license agreement.␊ |
| 14 | * ␊ |
| 15 | * Please obtain a copy of the License at␊ |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file.␊ |
| 17 | * ␊ |
| 18 | * The Original Code and all software distributed under the License are␊ |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.␊ |
| 23 | * Please see the License for the specific language governing rights and␊ |
| 24 | * limitations under the License.␊ |
| 25 | * ␊ |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@␊ |
| 27 | */␊ |
| 28 | /* Copyright (c) 1999 Apple Computer, Inc. All rights reserved.␊ |
| 29 | * Copyright (c) 1994-1996 NeXT Software, Inc. All rights reserved. ␊ |
| 30 | */␊ |
| 31 | ␊ |
| 32 | #ifndef _IOKIT_IOCONDITIONLOCK_H␊ |
| 33 | #define _IOKIT_IOCONDITIONLOCK_H␊ |
| 34 | ␊ |
| 35 | #include <libkern/c++/OSObject.h>␊ |
| 36 | #include <IOKit/IOLib.h>␊ |
| 37 | #include <IOKit/system.h>␊ |
| 38 | ␊ |
| 39 | #include <IOKit/IOLocks.h>␊ |
| 40 | ␊ |
| 41 | class IOConditionLock : public OSObject␊ |
| 42 | {␊ |
| 43 | OSDeclareDefaultStructors(IOConditionLock)␊ |
| 44 | ␊ |
| 45 | private:␊ |
| 46 | IOLock *␉␉cond_interlock;␉␉// condition var Simple lock␊ |
| 47 | volatile int␉condition;␊ |
| 48 | ␊ |
| 49 | IOLock *␉␉sleep_interlock;␉// sleep lock Simple lock␊ |
| 50 | unsigned char␉interruptible;␊ |
| 51 | volatile bool␉want_lock;␊ |
| 52 | volatile bool␉waiting;␊ |
| 53 | ␊ |
| 54 | public:␊ |
| 55 | static IOConditionLock *withCondition(int condition, bool inIntr = true);␊ |
| 56 | virtual bool initWithCondition(int condition, bool inIntr = true);␊ |
| 57 | virtual void free();␊ |
| 58 | ␊ |
| 59 | virtual bool tryLock();␉// acquire lock, no waiting␊ |
| 60 | virtual int lock();␉// acquire lock (enter critical section)␊ |
| 61 | virtual void unlock();␉// release lock (leave critical section)␊ |
| 62 | ␊ |
| 63 | virtual bool getInterruptible() const;␊ |
| 64 | virtual int getCondition() const;␊ |
| 65 | virtual int setCondition(int condition);␊ |
| 66 | ␊ |
| 67 | virtual int lockWhen(int condition); // acquire lock when condition␊ |
| 68 | virtual void unlockWith(int condition); // set condition & release lock␊ |
| 69 | };␊ |
| 70 | ␊ |
| 71 | #endif /* _IOKIT_IOCONDITIONLOCK_H */␊ |
| 72 | |
