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drvr_register_saveterm(9r)


NAME

  drvr_register_saveterm - Graphics: Registers or deregisters a saveterm
  interface with the kernel


SYNOPSIS

  void drvr_register_saveterm(
	  void (*callback)(),
	  caddr_t param,
	  int flags );


ARGUMENTS

  callback
      Specifies the name of the callback routine.

  param
      Specifies the parameter to be passed to the callback routine.

  flags
      Specifies whether the drvr_register_saveterm interface should register
      or deregister the callback routine.  Valid values for this argument are
      DRVR_REGISTER and DRVR_UNREGISTER.


DESCRIPTION

  The drvr_register_saveterm interface either registers or deregisters a
  saveterm callback routine.  The kernel calls this routine when the user
  presses the halt button.  Graphics display device drivers provide a
  saveterm routine to reset the hardware for use by the console firmware if
  any special action is needed to return the controller to console mode.


RETURN VALUE

  None

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