1*94d3b452SApple OSS Distributions/* 2*94d3b452SApple OSS Distributions * Copyright (c) 2019-2019 Apple Inc. All rights reserved. 3*94d3b452SApple OSS Distributions * 4*94d3b452SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*94d3b452SApple OSS Distributions * 6*94d3b452SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*94d3b452SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*94d3b452SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*94d3b452SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*94d3b452SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*94d3b452SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*94d3b452SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*94d3b452SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*94d3b452SApple OSS Distributions * 15*94d3b452SApple OSS Distributions * Please obtain a copy of the License at 16*94d3b452SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*94d3b452SApple OSS Distributions * 18*94d3b452SApple OSS Distributions * The Original Code and all software distributed under the License are 19*94d3b452SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*94d3b452SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*94d3b452SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*94d3b452SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*94d3b452SApple OSS Distributions * Please see the License for the specific language governing rights and 24*94d3b452SApple OSS Distributions * limitations under the License. 25*94d3b452SApple OSS Distributions * 26*94d3b452SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*94d3b452SApple OSS Distributions */ 28*94d3b452SApple OSS Distributions 29*94d3b452SApple OSS Distributions#ifndef _IOKIT_UIODISPATCHSOURCE_H 30*94d3b452SApple OSS Distributions#define _IOKIT_UIODISPATCHSOURCE_H 31*94d3b452SApple OSS Distributions 32*94d3b452SApple OSS Distributions#include <DriverKit/OSObject.iig> 33*94d3b452SApple OSS Distributions 34*94d3b452SApple OSS Distributions 35*94d3b452SApple OSS Distributionstypedef void (^IODispatchSourceCancelHandler)(void); 36*94d3b452SApple OSS Distributions 37*94d3b452SApple OSS Distributions/*! 38*94d3b452SApple OSS Distributions * @class IODispatchSource 39*94d3b452SApple OSS Distributions 40*94d3b452SApple OSS Distributions * @abstract 41*94d3b452SApple OSS Distributions * IODispatchSource common base class for dispatch sources. 42*94d3b452SApple OSS Distributions */ 43*94d3b452SApple OSS Distributions 44*94d3b452SApple OSS Distributionsclass NATIVE KERNEL IODispatchSource : public OSObject 45*94d3b452SApple OSS Distributions{ 46*94d3b452SApple OSS Distributionspublic: 47*94d3b452SApple OSS Distributions 48*94d3b452SApple OSS Distributions virtual bool 49*94d3b452SApple OSS Distributions init() override; 50*94d3b452SApple OSS Distributions 51*94d3b452SApple OSS Distributions virtual void 52*94d3b452SApple OSS Distributions free() override; 53*94d3b452SApple OSS Distributions 54*94d3b452SApple OSS Distributions virtual kern_return_t 55*94d3b452SApple OSS Distributions Cancel(IODispatchSourceCancelHandler handler) = 0; 56*94d3b452SApple OSS Distributions 57*94d3b452SApple OSS Distributions virtual kern_return_t 58*94d3b452SApple OSS Distributions SetEnableWithCompletion( 59*94d3b452SApple OSS Distributions bool enable, 60*94d3b452SApple OSS Distributions IODispatchSourceCancelHandler handler) = 0; 61*94d3b452SApple OSS Distributions 62*94d3b452SApple OSS Distributions virtual kern_return_t 63*94d3b452SApple OSS Distributions CheckForWork(bool synchronous) INVOKEREPLY = 0; 64*94d3b452SApple OSS Distributions 65*94d3b452SApple OSS Distributions virtual kern_return_t 66*94d3b452SApple OSS Distributions SetEnable(bool enable) LOCAL; 67*94d3b452SApple OSS Distributions}; 68*94d3b452SApple OSS Distributions 69*94d3b452SApple OSS Distributions#endif /* ! _IOKIT_UIODISPATCHSOURCE_H */ 70