Undocumented functions of NTDLL

2OO1, 4 March


Gridstore - NonStop Storage

NtSystemDebugControl
NtSystemDebugControl

NTSYSAPI 
NTSTATUS
NTAPI

NtSystemDebugControl(


  IN SYSDBG_COMMAND       Command,
  IN PVOID                InputBuffer OPTIONAL,
  IN ULONG                InputBufferLength,
  OUT PVOID               OutputBuffer OPTIONAL,
  IN ULONG                OutputBufferLength,
  OUT PULONG              ReturnLength OPTIONAL );



Function NtSystemDebugControl is used by some low-level debuggers written by Microsoft and avaiable typically in DDK.


  • Command
    •     Command request for system. Command's codes are avaiable in enumeration type SYSDBG_COMMAND.
  • InputBuffer
    •     User's allocated buffer with input data.
  • InputBufferLength
    •     Length of InputBuffer, in bytes.
  • OutputBuffer
    •     User's allocated buffer for output data.
  • OutputBufferLength
    •     Length of OutputBuffer, in bytes.
  • ReturnLength
    •     Pointer to ULONG value receiving required size of OutputBuffer.


    Documented by:
    Tomasz Nowak



    Requirements:
    Library: ntdll.lib


    See also:
    SYSDBG_COMMAND