/*
* Copyright (c) 2019-2019 Apple Inc. All rights reserved.
*
* @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, 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 _IOKIT_UIODISPATCHSOURCE_H
#define _IOKIT_UIODISPATCHSOURCE_H
#include <DriverKit/OSObject.iig>
typedef void (^IODispatchSourceCancelHandler)(void);
/*!
* @class IODispatchSource
* @abstract
* IODispatchSource common base class for dispatch sources.
*/
class NATIVE KERNEL IODispatchSource : public OSObject
{
public:
virtual bool
init() override;
virtual void
free() override;
virtual kern_return_t
Cancel(IODispatchSourceCancelHandler handler) = 0;
virtual kern_return_t
SetEnableWithCompletion(
bool enable,
IODispatchSourceCancelHandler handler) = 0;
virtual kern_return_t
CheckForWork(bool synchronous) INVOKEREPLY = 0;
virtual kern_return_t
SetEnable(bool enable) LOCAL;
};
#endif /* ! _IOKIT_UIODISPATCHSOURCE_H */