rkhfwk_cast.h File Reference

Defines casting operations which are internally used by RKH. More...

#include "rkhtype.h"
#include "rkhcfg.h"

Include dependency graph for rkhfwk_cast.h:

Go to the source code of this file.

Macros
#define	RKH_UPCAST(BaseType_, me_)   ((BaseType_ *)me_)
	Convert a pointer to a base-class. More...
#define	RKH_DOWNCAST(DerivedType_, me_)   ((DerivedType_ *)me_)
	Converts a base-class pointer to a derived-class pointer.
#define	RKH_CAST(_type, _obj)   ((_type *)(_obj))
	Perform downcast of a reference of a base class to one of its derived classes. More...

Detailed Description

Defines casting operations which are internally used by RKH.

Definition in file rkhfwk_cast.h.

Macro Definition Documentation

RKH_CAST

#define RKH_CAST	(		_type,
			_obj
	)		((_type *)(_obj))

Perform downcast of a reference of a base class to one of its derived classes.

See also

single inheritance in C , and another example .

Usage

void
svr_start( const struct RKH_SMA_T *me, RKH_EVT_T *pe )
{
    START_EVT_T *e_start;
 
    e_start = RKH_ALLOC_EVT( START_EVT_T, START, me );
    e_start->clino = RKH_CAST(REQ_EVT_T, pe)->clino;
    RKH_SMA_POST_FIFO( RKH_GET_SMA( RKH_CAST(REQ_EVT_T, pe)->clino ),
                                            RKH_EVT_CAST(e_start), me );
}

Definition at line 107 of file rkhfwk_cast.h.