mirror of
https://github.com/darlinghq/darling-xnu.git
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64 lines
2.2 KiB
C++
64 lines
2.2 KiB
C++
/*
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* Copyright (c) 2001-2019 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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#ifndef _IOPMPOWERSTATEQUEUE_H_
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#define _IOPMPOWERSTATEQUEUE_H_
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#include <IOKit/IOEventSource.h>
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#include <IOKit/IOLocks.h>
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#include <kern/queue.h>
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typedef void (*IOPMPowerStateQueueAction)(OSObject *, uint32_t event, void *, uint64_t);
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class IOPMPowerStateQueue : public IOEventSource
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{
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OSDeclareDefaultStructors(IOPMPowerStateQueue);
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private:
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struct PowerEventEntry {
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queue_chain_t chain;
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uint32_t eventType;
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void * arg0;
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uint64_t arg1;
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};
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queue_head_t queueHead;
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IOLock * queueLock;
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protected:
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virtual bool checkForWork( void ) APPLE_KEXT_OVERRIDE;
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virtual bool init( OSObject * owner, Action action ) APPLE_KEXT_OVERRIDE;
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public:
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static IOPMPowerStateQueue * PMPowerStateQueue( OSObject * owner, Action action );
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bool submitPowerEvent( uint32_t eventType, void * arg0 = NULL, uint64_t arg1 = 0 );
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};
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#endif /* _IOPMPOWERSTATEQUEUE_H_ */
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