Action

Declaration

typedef IOReturn ( *Action)(
   OSObject *target,
   void *arg0,
   void *arg1,
   void *arg2,
   void *arg3);

Parameters

• target:

  Target of the function, can be used as a refcon. Note if a C++ function was specified, this parameter is implicitly the first parameter in the target member function's parameter list.

• arg0:

  Argument to action from run operation.

• arg1:

  Argument to action from run operation.

• arg2:

  Argument to action from run operation.

• arg3:

  Argument to action from run operation.

Overview

Type and arguments of callout C function that is used when a runCommand is executed by a client. Cast to this type when you want a C++ member function to be used. Note the arg1 - arg3 parameters are passed straight pass through to the action callout.