Determining if a Debugger is Attached

Kernel-mode code can determine the status of kernel debugging by using the following variables and routines:

  • (Windows XP and later) The KD_DEBUGGER_ENABLED global kernel variable indicates whether kernel debugging is enabled.

  • (Windows XP and later) The KD_DEBUGGER_NOT_PRESENT global kernel variable indicates whether a kernel debugger is currently attached.

  • (Windows Server 2003 and later) The KdRefreshDebuggerNotPresent routine refreshes the value of KD_DEBUGGER_NOT_PRESENT.

For complete documentation, see the Windows Driver Kit.

 

 

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