X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/e5568f75972dfc723778653c11cb6b4dc825716a..ebb1b9f42b62218f29061826217bb0f71cd375a6:/iokit/Kernel/IOPMPowerStateQueue.h diff --git a/iokit/Kernel/IOPMPowerStateQueue.h b/iokit/Kernel/IOPMPowerStateQueue.h index 2f87ebbc8..2b34e768b 100644 --- a/iokit/Kernel/IOPMPowerStateQueue.h +++ b/iokit/Kernel/IOPMPowerStateQueue.h @@ -1,69 +1,63 @@ /* * Copyright (c) 2001-2002 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 + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The 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@ + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef _IOPMPOWERSTATEQUEUE_H_ #define _IOPMPOWERSTATEQUEUE_H_ -#include #include -#include -extern "C" { - #include -} +#include +#include + +typedef void (*IOPMPowerStateQueueAction)(OSObject *, uint32_t event, void *, uint64_t); class IOPMPowerStateQueue : public IOEventSource - { - OSDeclareDefaultStructors(IOPMPowerStateQueue); +{ + OSDeclareDefaultStructors(IOPMPowerStateQueue) private: - enum { - kUnIdle = 0 + struct PowerEventEntry { + queue_chain_t chain; + uint32_t eventType; + void * arg0; + uint64_t arg1; }; - // Queue of requested states - struct PowerChangeEntry - { - void *next; - UInt16 actionType; - UInt16 state; - IOService *target; - }; - - void *changes; + queue_head_t queueHead; + IOLock * queueLock; protected: - virtual bool checkForWork(void); + virtual bool checkForWork( void ); + virtual bool init( OSObject * owner, Action action ); public: - //typedef void (*Action)(IOService *target, unsigned long state); + static IOPMPowerStateQueue * PMPowerStateQueue( OSObject * owner, Action action ); - virtual bool init(OSObject *owner, Action action = 0); + bool submitPowerEvent( uint32_t eventType, void * arg0 = 0, uint64_t arg1 = 0 ); +}; - // static initialiser - static IOPMPowerStateQueue *PMPowerStateQueue(OSObject *owner); - - // Enqueues an activityTickle request to be executed on the workloop - virtual bool unIdleOccurred(IOService *, unsigned long); - }; - - #endif /* _IOPMPOWERSTATEQUEUE_H_ */ - +#endif /* _IOPMPOWERSTATEQUEUE_H_ */