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/**
* @file
*
* @brief RTEMS Delete Region
* @ingroup ClassicRegion
*/
/*
* COPYRIGHT (c) 1989-2007.
* 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.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/rtems/regionimpl.h>
rtems_status_code rtems_region_delete(
rtems_id id
)
{
rtems_status_code status;
Region_Control *the_region;
_Objects_Allocator_lock();
the_region = _Region_Get_and_lock( id );
if ( the_region == NULL ) {
_Objects_Allocator_unlock();
return RTEMS_INVALID_ID;
}
_Heap_Protection_free_all_delayed_blocks( &the_region->Memory );
if ( the_region->Memory.stats.used_blocks != 0 ) {
status = RTEMS_RESOURCE_IN_USE;
} else {
_Objects_Close( &_Region_Information, &the_region->Object );
_Region_Free( the_region );
status = RTEMS_SUCCESSFUL;
}
_Region_Unlock( the_region );
_Objects_Allocator_unlock();
return status;
}
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