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Annotation of XNU/iokit/IOKit/IOSyncer.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1998-2000 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: #ifndef _IOSYNCER_H
                     23: #define _IOSYNCER_H
                     24: 
                     25: #include <libkern/c++/OSObject.h>
                     26: #include <IOKit/IOTypes.h>
                     27: 
                     28: class IOSyncer : public OSObject
                     29: {
                     30:     OSDeclareDefaultStructors(IOSyncer)
                     31: 
                     32: private:
                     33:     lock_t*    fLock;
                     34:     IOReturn   fResult;
                     35:     virtual void free();
                     36: 
                     37: public:
                     38: 
                     39:     static IOSyncer * create(bool twoRetains = true);
                     40: 
                     41:     virtual bool init(bool twoRetains);
                     42:     virtual void reinit();
                     43:     virtual IOReturn wait(bool autoRelease = true);
                     44:     virtual void signal(IOReturn res = kIOReturnSuccess,
                     45:                                        bool autoRelease = true);
                     46: };
                     47: 
                     48: #endif /* !_IOSYNCER */
                     49: 

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