DevHlp_QSysState is used by physical device drivers to obtain system status information..

CallingSequence in Assembler

MOV   EAX, EntityList
MOV   EBX, EntityLevel
MOV   EDI, pidtid
MOV   ESI, pDataBuf
MOV   ECX, cbDataBuf
MOV   DL,  DevHlp_QSysState
CALL  [Device_Help]

Results in Assembler

• C' Clear if process killed. AX = zero.

  'C" Set if error.

  Possible errors

  87 ERROR_INVALID_PARAMETER

  Invalid parameter specified.
  111 ERROR_BUFFER_OVERFLOW
  Data buffer is too small to hold all returned information.
  115 ERROR_PROTECTION_VIOLATION
  Unable to store in to data buffer.
  124 ERROR_INVALID_LEVEL
  Data buffer is too small to hold all returned information.

  Calling Sequence in C

  There is no direct C calling Sequence.

  Remarks

  DevHlp_QSysState is functionally equivalent to DosQuerySysState. See DosQuerySysState for information on the entities that may be requested and the format of the entities returned. This Device Help may be call at Task Time only.

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