1*f6217f89SApple OSS Distributions/* 2*f6217f89SApple OSS Distributions * Copyright (c) 2019-2019 Apple Inc. All rights reserved. 3*f6217f89SApple OSS Distributions * 4*f6217f89SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*f6217f89SApple OSS Distributions * 6*f6217f89SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*f6217f89SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*f6217f89SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*f6217f89SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*f6217f89SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*f6217f89SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*f6217f89SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*f6217f89SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*f6217f89SApple OSS Distributions * 15*f6217f89SApple OSS Distributions * Please obtain a copy of the License at 16*f6217f89SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*f6217f89SApple OSS Distributions * 18*f6217f89SApple OSS Distributions * The Original Code and all software distributed under the License are 19*f6217f89SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*f6217f89SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*f6217f89SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*f6217f89SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*f6217f89SApple OSS Distributions * Please see the License for the specific language governing rights and 24*f6217f89SApple OSS Distributions * limitations under the License. 25*f6217f89SApple OSS Distributions * 26*f6217f89SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*f6217f89SApple OSS Distributions */ 28*f6217f89SApple OSS Distributions 29*f6217f89SApple OSS Distributions#ifndef _IOKIT_UIODISPATCHSOURCE_H 30*f6217f89SApple OSS Distributions#define _IOKIT_UIODISPATCHSOURCE_H 31*f6217f89SApple OSS Distributions 32*f6217f89SApple OSS Distributions#include <DriverKit/OSObject.iig> 33*f6217f89SApple OSS Distributions 34*f6217f89SApple OSS Distributions 35*f6217f89SApple OSS Distributionstypedef void (^IODispatchSourceCancelHandler)(void); 36*f6217f89SApple OSS Distributions 37*f6217f89SApple OSS Distributions/*! 38*f6217f89SApple OSS Distributions * @class IODispatchSource 39*f6217f89SApple OSS Distributions 40*f6217f89SApple OSS Distributions * @abstract 41*f6217f89SApple OSS Distributions * IODispatchSource common base class for dispatch sources. 42*f6217f89SApple OSS Distributions */ 43*f6217f89SApple OSS Distributions 44*f6217f89SApple OSS Distributionsclass NATIVE KERNEL IODispatchSource : public OSObject 45*f6217f89SApple OSS Distributions{ 46*f6217f89SApple OSS Distributionspublic: 47*f6217f89SApple OSS Distributions 48*f6217f89SApple OSS Distributions virtual bool 49*f6217f89SApple OSS Distributions init() override; 50*f6217f89SApple OSS Distributions 51*f6217f89SApple OSS Distributions virtual void 52*f6217f89SApple OSS Distributions free() override; 53*f6217f89SApple OSS Distributions 54*f6217f89SApple OSS Distributions virtual kern_return_t 55*f6217f89SApple OSS Distributions Cancel(IODispatchSourceCancelHandler handler) = 0; 56*f6217f89SApple OSS Distributions 57*f6217f89SApple OSS Distributions virtual kern_return_t 58*f6217f89SApple OSS Distributions SetEnableWithCompletion( 59*f6217f89SApple OSS Distributions bool enable, 60*f6217f89SApple OSS Distributions IODispatchSourceCancelHandler handler) = 0; 61*f6217f89SApple OSS Distributions 62*f6217f89SApple OSS Distributions virtual kern_return_t 63*f6217f89SApple OSS Distributions CheckForWork(bool synchronous) INVOKEREPLY = 0; 64*f6217f89SApple OSS Distributions 65*f6217f89SApple OSS Distributions virtual kern_return_t 66*f6217f89SApple OSS Distributions SetEnable(bool enable) LOCAL; 67*f6217f89SApple OSS Distributions}; 68*f6217f89SApple OSS Distributions 69*f6217f89SApple OSS Distributions#endif /* ! _IOKIT_UIODISPATCHSOURCE_H */ 70