source: rtems/cpukit/score/src/objectactivecount.c @ 0a97ba5b

5
Last change on this file since 0a97ba5b was 23fec9f0, checked in by Sebastian Huber <sebastian.huber@…>, on 03/27/14 at 13:16:12

score: PR2152: Use allocator mutex for objects

Use allocator mutex for objects allocate/free. This prevents that the
thread dispatch latency depends on the workspace/heap fragmentation.
  • Property mode set to 100644
File size: 825 bytes
Line 
1/*
2 * Copyright (c) 2012 embedded brains GmbH.  All rights reserved.
3 *
4 *  embedded brains GmbH
5 *  Obere Lagerstr. 30
6 *  82178 Puchheim
7 *  Germany
8 *  <rtems@embedded-brains.de>
9 *
10 * The license and distribution terms for this file may be
11 * found in the file LICENSE in this distribution or at
12 * http://www.rtems.org/license/LICENSE.
13 */
14
15#if HAVE_CONFIG_H
16  #include "config.h"
17#endif
18
19#include <rtems/score/objectimpl.h>
20#include <rtems/score/assert.h>
21#include <rtems/score/chainimpl.h>
22
23Objects_Maximum _Objects_Active_count(
24  const Objects_Information *information
25)
26{
27  size_t inactive;
28  size_t maximum;
29
30  _Assert( _Debug_Is_owner_of_allocator() );
31
32  inactive = _Chain_Node_count_unprotected( &information->Inactive );
33  maximum  = information->maximum;
34
35  return (Objects_Maximum) ( maximum - inactive );
36}
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