1*d8b80295SApple OSS Distributions/* 2*d8b80295SApple OSS Distributions * Copyright (c) 2019-2019 Apple Inc. All rights reserved. 3*d8b80295SApple OSS Distributions * 4*d8b80295SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*d8b80295SApple OSS Distributions * 6*d8b80295SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*d8b80295SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*d8b80295SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*d8b80295SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*d8b80295SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*d8b80295SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*d8b80295SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*d8b80295SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*d8b80295SApple OSS Distributions * 15*d8b80295SApple OSS Distributions * Please obtain a copy of the License at 16*d8b80295SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*d8b80295SApple OSS Distributions * 18*d8b80295SApple OSS Distributions * The Original Code and all software distributed under the License are 19*d8b80295SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*d8b80295SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*d8b80295SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*d8b80295SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*d8b80295SApple OSS Distributions * Please see the License for the specific language governing rights and 24*d8b80295SApple OSS Distributions * limitations under the License. 25*d8b80295SApple OSS Distributions * 26*d8b80295SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*d8b80295SApple OSS Distributions */ 28*d8b80295SApple OSS Distributions 29*d8b80295SApple OSS Distributions#ifndef _IOKIT_UIODISPATCHSOURCE_H 30*d8b80295SApple OSS Distributions#define _IOKIT_UIODISPATCHSOURCE_H 31*d8b80295SApple OSS Distributions 32*d8b80295SApple OSS Distributions#include <DriverKit/OSObject.iig> 33*d8b80295SApple OSS Distributions 34*d8b80295SApple OSS Distributions 35*d8b80295SApple OSS Distributionstypedef void (^IODispatchSourceCancelHandler)(void); 36*d8b80295SApple OSS Distributions 37*d8b80295SApple OSS Distributions/*! 38*d8b80295SApple OSS Distributions * @class IODispatchSource 39*d8b80295SApple OSS Distributions 40*d8b80295SApple OSS Distributions * @abstract 41*d8b80295SApple OSS Distributions * IODispatchSource common base class for dispatch sources. 42*d8b80295SApple OSS Distributions */ 43*d8b80295SApple OSS Distributions 44*d8b80295SApple OSS Distributionsclass NATIVE KERNEL IODispatchSource : public OSObject 45*d8b80295SApple OSS Distributions{ 46*d8b80295SApple OSS Distributionspublic: 47*d8b80295SApple OSS Distributions 48*d8b80295SApple OSS Distributions virtual bool 49*d8b80295SApple OSS Distributions init() override; 50*d8b80295SApple OSS Distributions 51*d8b80295SApple OSS Distributions virtual void 52*d8b80295SApple OSS Distributions free() override; 53*d8b80295SApple OSS Distributions 54*d8b80295SApple OSS Distributions virtual kern_return_t 55*d8b80295SApple OSS Distributions Cancel(IODispatchSourceCancelHandler handler) = 0; 56*d8b80295SApple OSS Distributions 57*d8b80295SApple OSS Distributions virtual kern_return_t 58*d8b80295SApple OSS Distributions SetEnableWithCompletion( 59*d8b80295SApple OSS Distributions bool enable, 60*d8b80295SApple OSS Distributions IODispatchSourceCancelHandler handler) = 0; 61*d8b80295SApple OSS Distributions 62*d8b80295SApple OSS Distributions virtual kern_return_t 63*d8b80295SApple OSS Distributions CheckForWork(bool synchronous) INVOKEREPLY = 0; 64*d8b80295SApple OSS Distributions 65*d8b80295SApple OSS Distributions virtual kern_return_t 66*d8b80295SApple OSS Distributions SetEnable(bool enable) LOCAL; 67*d8b80295SApple OSS Distributions}; 68*d8b80295SApple OSS Distributions 69*d8b80295SApple OSS Distributions#endif /* ! _IOKIT_UIODISPATCHSOURCE_H */ 70