/* * Copyright (c) 2001 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * Copyright (c) 2001 Apple Computer, Inc. All rights reserved. * * HISTORY * */ #ifndef _IOKIT_IOFWWORKLOOP_H #define _IOKIT_IOFWWORKLOOP_H #include <IOKit/IOWorkLoop.h> #include <libkern/c++/OSSet.h> class IOFWWorkLoop : public IOWorkLoop { OSDeclareDefaultStructors(IOFWWorkLoop) protected: void * fSleepToken; static SInt32 sLockGroupCount; lck_grp_t * fLockGroup; IOThread fRemoveSourceThread; OSSet * fRemoveSourceDeferredSet; bool init( void ); void free( void ); // Overrides to check for sleeping virtual void closeGate(); virtual bool tryCloseGate(); public: // Create a workloop static IOFWWorkLoop * workLoop(); // Put workloop to sleep (Must have gate closed, opens gate if successful) virtual IOReturn sleep( void *token ); // Wake workloop up (closes gate if successful) virtual IOReturn wake( void *token ); virtual IOReturn removeEventSource(IOEventSource *toRemove); }; #endif /* ! _IOKIT_IOFWWORKLOOP_H */