forked from Imagelibrary/rtems
bd5984deb7
* libcsupport/src/free.c, libcsupport/src/malloc.c, libcsupport/src/malloc_initialize.c, libcsupport/src/malloc_p.h, libcsupport/src/malloc_sbrk_helpers.c, libcsupport/src/malloc_statistics_helpers.c, libcsupport/src/malloc_walk.c, libcsupport/src/mallocfreespace.c, libcsupport/src/mallocinfo.c, libcsupport/src/realloc.c, libcsupport/src/rtems_memalign.c, sapi/include/confdefs.h, score/inline/rtems/score/thread.inl: Add support for optionally having a unified work area. In other words, the RTEMS Workspace and C Program Heap are the same pool of memory.
44 lines
843 B
C
44 lines
843 B
C
/*
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* RTEMS Malloc Get Free Information
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*
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*
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* COPYRIGHT (c) 1989-2007.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*
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* $Id$
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*/
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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#define __RTEMS_VIOLATE_KERNEL_VISIBILITY__
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#include <rtems.h>
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#include <rtems/libcsupport.h>
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#include <rtems/score/protectedheap.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <assert.h>
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#include <errno.h>
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#include <string.h>
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#include "malloc_p.h"
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/*
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* Find amount of free heap remaining
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*/
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size_t malloc_free_space( void )
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{
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Heap_Information info;
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_Protected_heap_Get_free_information( RTEMS_Malloc_Heap, &info );
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return (size_t) info.largest;
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}
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