blob: 8f7fddb0592380aaf442b6ce1b940ba20bd99935 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/*
* Heap Handler
*
* COPYRIGHT (c) 1989-2004.
* 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.com/license/LICENSE.
*
* $Id$
*/
#include <rtems/system.h>
#include <rtems/score/sysstate.h>
#include <rtems/score/heap.h>
/*PAGE
*
* _Heap_Get_free_information
*
* This heap routine returns information about the free blocks
* in the specified heap.
*
* Input parameters:
* the_heap - pointer to heap header.
* info - pointer to the free block information.
*
* Output parameters:
* returns - free block information filled in.
*/
void _Heap_Get_free_information(
Heap_Control *the_heap,
Heap_Information *info
)
{
Heap_Block *the_block;
info->number = 0;
info->largest = 0;
info->total = 0;
for ( the_block = the_heap->first;
;
the_block = the_block->next ) {
if ( the_block == _Heap_Tail( the_heap ) )
return;
info->number++;
info->largest = 0;
info->total += the_block->front_flag;
if ( the_block->front_flag >= info->largest )
info->largest = the_block->front_flag;
}
}
|
