1*c54f35caSApple OSS Distributions/* 2*c54f35caSApple OSS Distributions * Copyright (c) 2019-2019 Apple Inc. All rights reserved. 3*c54f35caSApple OSS Distributions * 4*c54f35caSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*c54f35caSApple OSS Distributions * 6*c54f35caSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*c54f35caSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*c54f35caSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*c54f35caSApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*c54f35caSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*c54f35caSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*c54f35caSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*c54f35caSApple OSS Distributions * terms of an Apple operating system software license agreement. 14*c54f35caSApple OSS Distributions * 15*c54f35caSApple OSS Distributions * Please obtain a copy of the License at 16*c54f35caSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*c54f35caSApple OSS Distributions * 18*c54f35caSApple OSS Distributions * The Original Code and all software distributed under the License are 19*c54f35caSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*c54f35caSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*c54f35caSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*c54f35caSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*c54f35caSApple OSS Distributions * Please see the License for the specific language governing rights and 24*c54f35caSApple OSS Distributions * limitations under the License. 25*c54f35caSApple OSS Distributions * 26*c54f35caSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*c54f35caSApple OSS Distributions */ 28*c54f35caSApple OSS Distributions 29*c54f35caSApple OSS Distributions#ifndef _IOKIT_UIODISPATCHSOURCE_H 30*c54f35caSApple OSS Distributions#define _IOKIT_UIODISPATCHSOURCE_H 31*c54f35caSApple OSS Distributions 32*c54f35caSApple OSS Distributions#include <DriverKit/OSObject.iig> 33*c54f35caSApple OSS Distributions 34*c54f35caSApple OSS Distributions 35*c54f35caSApple OSS Distributionstypedef void (^IODispatchSourceCancelHandler)(void); 36*c54f35caSApple OSS Distributions 37*c54f35caSApple OSS Distributions/*! 38*c54f35caSApple OSS Distributions * @class IODispatchSource 39*c54f35caSApple OSS Distributions 40*c54f35caSApple OSS Distributions * @abstract 41*c54f35caSApple OSS Distributions * IODispatchSource common base class for dispatch sources. 42*c54f35caSApple OSS Distributions */ 43*c54f35caSApple OSS Distributions 44*c54f35caSApple OSS Distributionsclass NATIVE KERNEL IODispatchSource : public OSObject 45*c54f35caSApple OSS Distributions{ 46*c54f35caSApple OSS Distributionspublic: 47*c54f35caSApple OSS Distributions 48*c54f35caSApple OSS Distributions virtual bool 49*c54f35caSApple OSS Distributions init() override; 50*c54f35caSApple OSS Distributions 51*c54f35caSApple OSS Distributions virtual void 52*c54f35caSApple OSS Distributions free() override; 53*c54f35caSApple OSS Distributions 54*c54f35caSApple OSS Distributions virtual kern_return_t 55*c54f35caSApple OSS Distributions Cancel(IODispatchSourceCancelHandler handler) = 0; 56*c54f35caSApple OSS Distributions 57*c54f35caSApple OSS Distributions virtual kern_return_t 58*c54f35caSApple OSS Distributions SetEnableWithCompletion( 59*c54f35caSApple OSS Distributions bool enable, 60*c54f35caSApple OSS Distributions IODispatchSourceCancelHandler handler) = 0; 61*c54f35caSApple OSS Distributions 62*c54f35caSApple OSS Distributions virtual kern_return_t 63*c54f35caSApple OSS Distributions CheckForWork(bool synchronous) INVOKEREPLY = 0; 64*c54f35caSApple OSS Distributions 65*c54f35caSApple OSS Distributions virtual kern_return_t 66*c54f35caSApple OSS Distributions SetEnable(bool enable) LOCAL; 67*c54f35caSApple OSS Distributions}; 68*c54f35caSApple OSS Distributions 69*c54f35caSApple OSS Distributions#endif /* ! _IOKIT_UIODISPATCHSOURCE_H */ 70