ObjectPreCallback routine
The ObjectPreCallback routine is called by the operating system when a process or thread handle operation occurs.
Syntax
OB_PREOP_CALLBACK_STATUS ObjectPreCallback( __in PVOID RegistrationContext, __in POB_PRE_OPERATION_INFORMATION OperationInformation );
Parameters
- RegistrationContext [in]
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The context that the driver specifies as the CallBackRegistration->RegistrationContext parameter of the ObRegisterCallbacks routine. The meaning of this value is driver-defined.
- OperationInformation [in]
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A pointer to an OB_PRE_OPERATION_INFORMATION structure that specifies the parameters of the handle operation.
Return value
ObjectPreCallback returns an OB_PREOP_CALLBACK_STATUS value. Drivers must return OB_PREOP_SUCCESS.
Remarks
Use the ObRegisterCallbacks routine to register an ObjectPreCallback routine, and use the ObUnRegisterCallbacks routine to unregister the routine.
Requirements
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Version | Available in Windows Server 2008 and later versions of the Windows operating system. |
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Header |
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See also
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Build date: 4/2/2012
