80 lines
2.7 KiB
C
80 lines
2.7 KiB
C
/****************************************************************************
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* mm/mm_heap/mm_checkcorruption.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <assert.h>
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#include <sched.h>
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#include <nuttx/arch.h>
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#include <nuttx/mm/mm.h>
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#include <nuttx/irq.h>
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#include "mm_heap/mm.h"
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static void checkcorruption_handler(FAR struct mm_allocnode_s *node,
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FAR void *arg)
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{
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size_t nodesize = SIZEOF_MM_NODE(node);
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if ((node->size & MM_ALLOC_BIT) != 0)
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{
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assert(nodesize >= SIZEOF_MM_ALLOCNODE);
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}
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else
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{
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FAR struct mm_freenode_s *fnode = (FAR void *)node;
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assert(nodesize >= MM_MIN_CHUNK);
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assert(fnode->blink->flink == fnode);
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assert(SIZEOF_MM_NODE(fnode->blink) <= nodesize);
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assert(fnode->flink == NULL ||
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fnode->flink->blink == fnode);
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assert(fnode->flink == NULL ||
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SIZEOF_MM_NODE(fnode->flink) == 0 ||
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SIZEOF_MM_NODE(fnode->flink) >= nodesize);
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}
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: mm_checkcorruption
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*
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* Description:
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* mm_checkcorruption is used to check whether memory heap is normal.
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*
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****************************************************************************/
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void mm_checkcorruption(FAR struct mm_heap_s *heap)
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{
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mm_foreach(heap, checkcorruption_handler, NULL);
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}
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