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2005-05-13 Jennifer Averett <jennifer.averett@oarcorp.com>

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PR 786/rtems
        Backport mallocfreespace optimization.
        * Makefile.am, include/rtems/rtems/region.h:
	* src/regiongetfreeinfo.c: New file.
This commit is contained in:
Jennifer Averett
2005-05-13 17:11:42 +00:00
parent 9d31e3498c
commit 41ef136059
4 changed files with 33 additions and 13 deletions
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7
cpukit/rtems/ChangeLog
View File

@@ -1,3 +1,10 @@
2005-05-13 Jennifer Averett <jennifer.averett@oarcorp.com>
PR 786/rtems
Backport mallocfreespace optimization.
* Makefile.am, include/rtems/rtems/region.h:
* src/regiongetfreeinfo.c: New file.
2005-03-17 Joel Sherrill <joel@OARcorp.com>
PR 692/rtems

2
cpukit/rtems/Makefile.am
View File

@@ -118,7 +118,7 @@ SIGNAL_C_FILES = src/signal.c src/signalcatch.c src/signalsend.c
REGION_C_FILES = src/region.c src/regioncreate.c src/regiondelete.c src/regionextend.c \
src/regiongetsegment.c src/regiongetsegmentsize.c src/regionident.c \
src/regionreturnsegment.c src/regiongetinfo.c
src/regionreturnsegment.c src/regiongetinfo.c src/regiongetfreeinfo.c
PARTITION_C_FILES = src/part.c src/partcreate.c src/partdelete.c src/partgetbuffer.c \
src/partident.c src/partreturnbuffer.c

17
cpukit/rtems/include/rtems/rtems/region.h
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@@ -29,6 +29,8 @@
extern "C" {
#endif
#include <stddef.h>
#include <rtems/score/object.h>
#include <rtems/score/threadq.h>
#include <rtems/score/heap.h>
@@ -143,6 +145,21 @@ rtems_status_code rtems_region_get_information(
Heap_Information_block *the_info
);
/*
* rtems_region_get_free_information
*
* DESCRIPTION:
*
* This routine implements the rtems_region_get_free_information directive.
* This directive returns information about the free blocks in the
* heap associated with this region.
*/
rtems_status_code rtems_region_get_free_information(
Objects_Id id,
Heap_Information *the_info
);
/*
* rtems_region_delete
*

20
cpukit/rtems/src/regiongetfreeinfo.c
View File

@@ -12,10 +12,6 @@
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/rtems/status.h>
#include <rtems/rtems/support.h>
@@ -39,14 +35,14 @@
* the_info - pointer to region information block
*
* Output parameters:
* *the_info - region information block filled in
* *the_info - region information block filled in
* RTEMS_SUCCESSFUL - if successful
* error code - if unsuccessful
* error code - if unsuccessful
*/
rtems_status_code rtems_region_get_free_information(
Objects_Id id,
Heap_Information_block *the_info
Objects_Id id,
Heap_Information *the_info
)
{
register Region_Control *the_region;
@@ -68,11 +64,11 @@ rtems_status_code rtems_region_get_free_information(
case OBJECTS_LOCAL:
the_info->Used.number = 0;
the_info->Used.total = 0;
the_info->Used.largest = 0;
the_info->number = 0;
the_info->total = 0;
the_info->largest = 0;
_Heap_Get_free_information( &the_region->Memory, &the_info->Free );
_Heap_Get_free_information( &the_region->Memory, the_info );
_RTEMS_Unlock_allocator();
return RTEMS_SUCCESSFUL;