source: rtems/cpukit/rtems/src/regiondelete.c @ fe6c170c

4.115
Last change on this file since fe6c170c was fe6c170c, checked in by Sebastian Huber <sebastian.huber@…>, on 07/24/13 at 14:19:52

score: Create states implementation header

Move implementation specific parts of states.h and states.inl into new
header file statesimpl.h. The states.h contains now only the
application visible API.

  • Property mode set to 100644
File size: 1.5 KB
Line 
1/**
2 *  @file
3 *
4 *  @brief RTEMS Delete Region
5 *  @ingroup ClassicRegion
6 */
7
8/*
9 *  COPYRIGHT (c) 1989-2007.
10 *  On-Line Applications Research Corporation (OAR).
11 *
12 *  The license and distribution terms for this file may be
13 *  found in the file LICENSE in this distribution or at
14 *  http://www.rtems.com/license/LICENSE.
15 */
16
17#if HAVE_CONFIG_H
18#include "config.h"
19#endif
20
21#include <rtems/system.h>
22#include <rtems/rtems/status.h>
23#include <rtems/rtems/support.h>
24#include <rtems/score/object.h>
25#include <rtems/rtems/options.h>
26#include <rtems/rtems/regionimpl.h>
27#include <rtems/score/thread.h>
28#include <rtems/score/apimutex.h>
29
30rtems_status_code rtems_region_delete(
31  rtems_id id
32)
33{
34  Objects_Locations   location;
35  rtems_status_code   return_status;
36  Region_Control     *the_region;
37
38  _RTEMS_Lock_allocator();
39
40    the_region = _Region_Get( id, &location );
41    switch ( location ) {
42
43      case OBJECTS_LOCAL:
44        _Region_Debug_Walk( the_region, 5 );
45        if ( the_region->number_of_used_blocks != 0 )
46          return_status = RTEMS_RESOURCE_IN_USE;
47        else {
48          _Objects_Close( &_Region_Information, &the_region->Object );
49          _Region_Free( the_region );
50          return_status = RTEMS_SUCCESSFUL;
51        }
52        break;
53
54#if defined(RTEMS_MULTIPROCESSING)
55      case OBJECTS_REMOTE:        /* this error cannot be returned */
56        break;
57#endif
58
59      case OBJECTS_ERROR:
60      default:
61        return_status = RTEMS_INVALID_ID;
62        break;
63    }
64
65  _RTEMS_Unlock_allocator();
66  return return_status;
67}
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