regionimpl.h

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/* COPYRIGHT (c) 1989-2008.
 * On-Line Applications Research Corporation (OAR).
 *
 * The license and distribution terms for this file may be
 * found in the file LICENSE in this distribution or at
 * http://www.rtems.org/license/LICENSE.
 */

#ifndef _RTEMS_RTEMS_REGIONIMPL_H
#define _RTEMS_RTEMS_REGIONIMPL_H

#include <rtems/rtems/region.h>
#include <rtems/score/heapimpl.h>
#include <rtems/score/objectimpl.h>
#include <rtems/score/threadqimpl.h>
#include <rtems/debug.h>

#ifdef __cplusplus
extern "C" {
#endif

#ifndef RTEMS_REGION_EXTERN
#define RTEMS_REGION_EXTERN extern
#endif

RTEMS_REGION_EXTERN Objects_Information _Region_Information;

void _Region_Manager_initialization(void);

RTEMS_INLINE_ROUTINE Region_Control *_Region_Allocate( void )
{
  return (Region_Control *) _Objects_Allocate( &_Region_Information );
}

RTEMS_INLINE_ROUTINE void _Region_Free (
  Region_Control *the_region
)
{
  _Thread_queue_Destroy( &the_region->Wait_queue );
  _Objects_Free( &_Region_Information, &the_region->Object );
}

RTEMS_INLINE_ROUTINE Region_Control *_Region_Get (
  Objects_Id         id,
  Objects_Locations *location
)
{
  return (Region_Control *)
    _Objects_Get_no_protection( &_Region_Information, id, location );
}

RTEMS_INLINE_ROUTINE void *_Region_Allocate_segment (
  Region_Control *the_region,
  uintptr_t       size
)
{
  return _Heap_Allocate( &the_region->Memory, size );
}

RTEMS_INLINE_ROUTINE bool _Region_Free_segment (
  Region_Control *the_region,
  void           *the_segment
)
{
  return _Heap_Free( &the_region->Memory, the_segment );
}

extern void _Region_Process_queue(Region_Control *the_region);

#ifdef RTEMS_DEBUG

#define _Region_Debug_Walk( _the_region, _source ) \
  do { \
    if ( rtems_debug_is_enabled( RTEMS_DEBUG_REGION ) ) \
      _Heap_Walk( &(_the_region)->Memory, _source, false ); \
  } while ( 0 )

#else

#define _Region_Debug_Walk( _the_region, _source )

#endif

#ifdef __cplusplus
}
#endif

#if defined(RTEMS_MULTIPROCESSING)
#include <rtems/rtems/regionmp.h>
#endif

#endif
/* end of include file */