1*4f1223e8SApple OSS Distributions/* 2*4f1223e8SApple OSS Distributions * Copyright (c) 2019-2019 Apple Inc. All rights reserved. 3*4f1223e8SApple OSS Distributions * 4*4f1223e8SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*4f1223e8SApple OSS Distributions * 6*4f1223e8SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*4f1223e8SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*4f1223e8SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*4f1223e8SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*4f1223e8SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*4f1223e8SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*4f1223e8SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*4f1223e8SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*4f1223e8SApple OSS Distributions * 15*4f1223e8SApple OSS Distributions * Please obtain a copy of the License at 16*4f1223e8SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*4f1223e8SApple OSS Distributions * 18*4f1223e8SApple OSS Distributions * The Original Code and all software distributed under the License are 19*4f1223e8SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*4f1223e8SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*4f1223e8SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*4f1223e8SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*4f1223e8SApple OSS Distributions * Please see the License for the specific language governing rights and 24*4f1223e8SApple OSS Distributions * limitations under the License. 25*4f1223e8SApple OSS Distributions * 26*4f1223e8SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*4f1223e8SApple OSS Distributions */ 28*4f1223e8SApple OSS Distributions 29*4f1223e8SApple OSS Distributions#ifndef _IOKIT_UIODISPATCHSOURCE_H 30*4f1223e8SApple OSS Distributions#define _IOKIT_UIODISPATCHSOURCE_H 31*4f1223e8SApple OSS Distributions 32*4f1223e8SApple OSS Distributions#include <DriverKit/OSObject.iig> 33*4f1223e8SApple OSS Distributions 34*4f1223e8SApple OSS Distributions 35*4f1223e8SApple OSS Distributionstypedef void (^IODispatchSourceCancelHandler)(void); 36*4f1223e8SApple OSS Distributions 37*4f1223e8SApple OSS Distributions/*! 38*4f1223e8SApple OSS Distributions * @class IODispatchSource 39*4f1223e8SApple OSS Distributions 40*4f1223e8SApple OSS Distributions * @abstract 41*4f1223e8SApple OSS Distributions * IODispatchSource common base class for dispatch sources. 42*4f1223e8SApple OSS Distributions */ 43*4f1223e8SApple OSS Distributions 44*4f1223e8SApple OSS Distributionsclass NATIVE KERNEL IODispatchSource : public OSObject 45*4f1223e8SApple OSS Distributions{ 46*4f1223e8SApple OSS Distributionspublic: 47*4f1223e8SApple OSS Distributions 48*4f1223e8SApple OSS Distributions virtual bool 49*4f1223e8SApple OSS Distributions init() override; 50*4f1223e8SApple OSS Distributions 51*4f1223e8SApple OSS Distributions virtual void 52*4f1223e8SApple OSS Distributions free() override; 53*4f1223e8SApple OSS Distributions 54*4f1223e8SApple OSS Distributions virtual kern_return_t 55*4f1223e8SApple OSS Distributions Cancel(IODispatchSourceCancelHandler handler) = 0; 56*4f1223e8SApple OSS Distributions 57*4f1223e8SApple OSS Distributions virtual kern_return_t 58*4f1223e8SApple OSS Distributions SetEnableWithCompletion( 59*4f1223e8SApple OSS Distributions bool enable, 60*4f1223e8SApple OSS Distributions IODispatchSourceCancelHandler handler) = 0; 61*4f1223e8SApple OSS Distributions 62*4f1223e8SApple OSS Distributions virtual kern_return_t 63*4f1223e8SApple OSS Distributions CheckForWork(bool synchronous) INVOKEREPLY = 0; 64*4f1223e8SApple OSS Distributions 65*4f1223e8SApple OSS Distributions virtual kern_return_t 66*4f1223e8SApple OSS Distributions SetEnable(bool enable) LOCAL; 67*4f1223e8SApple OSS Distributions}; 68*4f1223e8SApple OSS Distributions 69*4f1223e8SApple OSS Distributions#endif /* ! _IOKIT_UIODISPATCHSOURCE_H */ 70