如何创建在进程间能够共享的事件？

Question

是不是在调用CreateEvent函数时设置某个参数，还是必须使用CreateFileMapping函数才能做到呢？请求各位高人帮忙~

Answer 1

需要指定一个名称。

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Visual C++ MVP

Answer 2

msdn下面写了3种方法：

• A child process created by the CreateProcess function can inherit a handle to an event object if the lpEventAttributes parameter of CreateEvent enabled inheritance.
• A process can specify the event-object handle in a call to the DuplicateHandle function to create a duplicate handle that can be used by another process.
• A process can specify the name of an event object in a call to the OpenEvent or CreateEvent function.

Answer 3

HANDLE WINAPI CreateEvent(
  __in_opt  LPSECURITY_ATTRIBUTES lpEventAttributes,
  __in      BOOL bManualReset,
  __in      BOOL bInitialState,
  __in_opt  LPCTSTR lpName
);

请参看MSDN最后一个参数的说明。

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Visual C++ enthusiast, like network programming and driver development. At present is being engaged in the WinCE/Windows Mobile platform embedded development.

Answer 4

为什么不用Mutex?

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麻烦把正确答案设为解答。