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/*
* Region Manager
*
*
* COPYRIGHT (c) 1989-1999.
* 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.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#include <rtems/system.h>
#include <rtems/rtems/status.h>
#include <rtems/rtems/support.h>
#include <rtems/score/object.h>
#include <rtems/rtems/options.h>
#include <rtems/rtems/region.h>
#include <rtems/score/states.h>
#include <rtems/score/apimutex.h>
#include <rtems/score/thread.h>
/*PAGE
*
* rtems_region_get_information
*
* This directive will return information about the region specified.
*
* Input parameters:
* id - region id
* the_info - pointer to region information block
*
* Output parameters:
* *the_info - region information block filled in
* RTEMS_SUCCESSFUL - if successful
* error code - if unsuccessful
*/
rtems_status_code rtems_region_get_information(
Objects_Id id,
Heap_Information_block *the_info
)
{
register Region_Control *the_region;
Objects_Locations location;
if ( !the_info )
return RTEMS_INVALID_ADDRESS;
_RTEMS_Lock_allocator();
the_region = _Region_Get( id, &location );
switch ( location ) {
case OBJECTS_REMOTE: /* this error cannot be returned */
_RTEMS_Unlock_allocator();
return RTEMS_INTERNAL_ERROR;
case OBJECTS_ERROR:
_RTEMS_Unlock_allocator();
return RTEMS_INVALID_ID;
case OBJECTS_LOCAL:
if ( _Heap_Get_information( &the_region->Memory, the_info ) ==
HEAP_GET_INFORMATION_SUCCESSFUL ) {
_RTEMS_Unlock_allocator();
return RTEMS_SUCCESSFUL;
}
_RTEMS_Unlock_allocator();
return RTEMS_INVALID_ADDRESS;
}
return RTEMS_INTERNAL_ERROR; /* unreached - only to remove warnings */
}
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