source: rtems/cpukit/score/src/objectfree.c @ 70810dc

4.104.114.84.95
Last change on this file since 70810dc was 08311cc3, checked in by Joel Sherrill <joel.sherrill@…>, on 11/17/99 at 17:51:34

Updated copyright notice.

  • Property mode set to 100644
File size: 1.5 KB
Line 
1/*
2 *  Object Handler
3 *
4 *
5 *  COPYRIGHT (c) 1989-1999.
6 *  On-Line Applications Research Corporation (OAR).
7 *
8 *  The license and distribution terms for this file may be
9 *  found in the file LICENSE in this distribution or at
10 *  http://www.OARcorp.com/rtems/license.html.
11 *
12 *  $Id$
13 */
14
15#include <rtems/system.h>
16#include <rtems/score/address.h>
17#include <rtems/score/chain.h>
18#include <rtems/score/object.h>
19#if defined(RTEMS_MULTIPROCESSING)
20#include <rtems/score/objectmp.h>
21#endif
22#include <rtems/score/thread.h>
23#include <rtems/score/wkspace.h>
24#include <rtems/score/sysstate.h>
25#include <rtems/score/isr.h>
26
27/*PAGE
28 *
29 *  _Objects_Free
30 *
31 *  DESCRIPTION:
32 *
33 *  This function frees a object control block to the
34 *  inactive chain of free object control blocks.
35 */
36
37void _Objects_Free(
38  Objects_Information *information,
39  Objects_Control     *the_object
40)
41{
42  unsigned32  allocation_size = information->allocation_size;
43
44  _Chain_Append( &information->Inactive, &the_object->Node );
45
46  if ( information->auto_extend ) {
47    unsigned32  block;
48   
49    block =
50      _Objects_Get_index( the_object->id ) - _Objects_Get_index( information->minimum_id );
51    block /= information->allocation_size;
52     
53    information->inactive_per_block[ block ]++;
54    information->inactive++;
55 
56    /*
57     *  Check if the threshold level has been met of
58     *  1.5 x allocation_size are free.
59     */
60
61    if ( information->inactive > ( allocation_size + ( allocation_size >> 1 ) ) ) {
62      _Objects_Shrink_information( information );
63    }
64  }
65}
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