96 lines
4.2 KiB
C
96 lines
4.2 KiB
C
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/*
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File: CACFMachPort.h
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Abstract: Part of CoreAudio Utility Classes
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Version: 1.1
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Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple
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Inc. ("Apple") in consideration of your agreement to the following
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terms, and your use, installation, modification or redistribution of
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this Apple software constitutes acceptance of these terms. If you do
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not agree with these terms, please do not use, install, modify or
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redistribute this Apple software.
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In consideration of your agreement to abide by the following terms, and
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subject to these terms, Apple grants you a personal, non-exclusive
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license, under Apple's copyrights in this original Apple software (the
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"Apple Software"), to use, reproduce, modify and redistribute the Apple
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Software, with or without modifications, in source and/or binary forms;
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provided that if you redistribute the Apple Software in its entirety and
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without modifications, you must retain this notice and the following
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text and disclaimers in all such redistributions of the Apple Software.
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Neither the name, trademarks, service marks or logos of Apple Inc. may
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be used to endorse or promote products derived from the Apple Software
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without specific prior written permission from Apple. Except as
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expressly stated in this notice, no other rights or licenses, express or
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implied, are granted by Apple herein, including but not limited to any
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patent rights that may be infringed by your derivative works or by other
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works in which the Apple Software may be incorporated.
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The Apple Software is provided by Apple on an "AS IS" basis. APPLE
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MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
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THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS
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FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND
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OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS.
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IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION,
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MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED
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AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE),
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STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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Copyright (C) 2014 Apple Inc. All Rights Reserved.
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*/
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#if !defined(__CACFMachPort_h__)
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#define __CACFMachPort_h__
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//==================================================================================================
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// Includes
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//==================================================================================================
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// System Includes
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#include <CoreFoundation/CFMachPort.h>
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#include <mach/mach.h>
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//==================================================================================================
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// CACFMachPort
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//
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// This class wraps a CFMachPort.
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//
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// Note that when you create a CFMachPort object, CF will attach the run loop source for the the
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// Mach Port that handles Port Death notifications (aka the Invalidation Callback) to the current
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// thread's run loop. This is something over which there is no control, so be sure to create the
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// CFMachPort on the thread on which you want to handle Port Death notificaitons on.
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//==================================================================================================
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class CACFMachPort
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{
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// Construction/Destruction
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public:
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CACFMachPort(CFMachPortCallBack inCallBack, void* inUserData = NULL);
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CACFMachPort(mach_port_t inMachPort, CFMachPortCallBack inCallBack, CFMachPortInvalidationCallBack inInvalidationCallBack, void* inUserData);
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virtual ~CACFMachPort();
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// Attributes
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public:
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CFMachPortRef GetMachPortRef() const { return mMachPort; }
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mach_port_t GetMachPort() const { return CFMachPortGetPort(mMachPort); }
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CFRunLoopSourceRef GetRunLoopSource() const { return mRunLoopSource; }
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// Operations
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public:
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kern_return_t ReceiveMessage(UInt32 inMaxMessageSize, mach_msg_header_t* outMessage, mach_msg_timeout_t inTimeOut);
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// Implementation
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protected:
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CFMachPortRef mMachPort;
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CFRunLoopSourceRef mRunLoopSource;
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bool mOwnsPort;
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};
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#endif
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