本文主要向大家介绍了C/C++知识点之mac ox驱动开发 c++版，通过具体的内容向大家展示，希望对大家学习C/C++知识点有所帮助。

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//IOKitTest.h

#include <IOKit/IOService.h>class com_osxkernel_driver_IOKitTest : public IOService
{
    OSDeclareDefaultStructors(com_osxkernel_driver_IOKitTest)public: 
    virtual bool    init (OSDictionary* dictionary = NULL);    virtual void    free (void);    virtual IOService*  probe (IOService* provider, SInt32* score);    virtual bool    start (IOService* provider);    virtual void    stop (IOService* provider);
};

//IOKitTest.cpp

#include ""IOKitTest.h""#include <IOKit/IOLib.h>//定义超类#define super IOService//表示提供构造与析构函数的声明 以及元数据OSDefineMetaClassAndStructors(com_osxkernel_driver_IOKitTest, IOService)//构造函数bool com_osxkernel_driver_IOKitTest::init (OSDictionary* dict)
{    bool res = super::init(dict);
    IOLog(""IOKitTest::init\n"");    return res;
}void com_osxkernel_driver_IOKitTest::free (void)
{
    IOLog(""IOKitTest::free\n"");
    super::free();
}//检查硬件设备IOService* com_osxkernel_driver_IOKitTest::probe (IOService* provider, SInt32* score)
{
    IOService *res = super::probe(provider, score);
    IOLog(""IOKitTest::probe\n"");    return res;
}bool com_osxkernel_driver_IOKitTest::start (IOService *provider)
{    bool res = super::start(provider);
    IOLog(""IOKitTest::start\n"");    return res;
}void com_osxkernel_driver_IOKitTest::stop (IOService *provider)
{
    IOLog(""IOKitTest::stop\n"");
    super::stop(provider);
}

注意点：
内核版本
编译器版本
安装：

liuhailong:~ liuhailong$ sudo chown -R root:wheel /Users/liuhailong/Library/Developer/Xcode/DerivedData/IOKitTest-grjzacxpxpyxiidhzzobgihdxfqm/Build/Products/Debug/IOKitTest.kext liuhailong:~ liuhailong$ sudo kextload /Users/liuhailong/Library/Developer/Xcode/DerivedData/IOKitTest-grjzacxpxpyxiidhzzobgihdxfqm/Build/Products/Debug/IOKitTest.kext liuhailong:~ liuhailong$ sudo kextunload /Users/liuhailong/Library/Developer/Xcode/DerivedData/IOKitTest-grjzacxpxpyxiidhzzobgihdxfqm/Build/Products/Debug/IOKitTest.kext liuhailong:~ liuhailong$

可以安装个IORegistryExplorer 工具查看：

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