更新日期: 2022/06/01 来源: https://gitee.com/weharmony/kernel_liteos_a_note
los_memory_pri.h
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1/*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _LOS_MEMORY_PRI_H
33#define _LOS_MEMORY_PRI_H
34
35#include "los_memory.h"
36#include "los_spinlock.h"
37
38#ifdef __cplusplus
39#if __cplusplus
40extern "C" {
41#endif /* __cplusplus */
42#endif /* __cplusplus */
43
44#ifdef LOSCFG_MEM_LEAKCHECK
45extern VOID OsMemUsedNodeShow(VOID *pool);
46#endif
47
49extern STATUS_T OsKHeapInit(size_t size);
50extern VOID OsDumpMemByte(size_t length, UINTPTR addr);
51extern VOID OsMemResetEndNode(VOID *pool, UINTPTR preAddr);
52extern UINT32 OsMemLargeNodeFree(const VOID *ptr);
53extern BOOL OsMemIsHeapNode(const VOID *ptr);
54extern UINT32 OsShellCmdMemCheck(INT32 argc, const CHAR *argv[]);
55
56/* memory expand size at least 1/8 of pool size if we can */
57#define MEM_EXPAND_SIZE(poolSize) ((poolSize) >> 3)
58
59#ifdef __cplusplus
60#if __cplusplus
61}
62#endif /* __cplusplus */
63#endif /* __cplusplus */
64
65#endif /* _LOS_MEMORY_PRI_H */
BOOL OsMemIsHeapNode(const VOID *ptr)
Definition: los_memory.c:2126
VOID OsMemUsedNodeShow(VOID *pool)
打印已使用的节点
Definition: los_memory.c:601
UINT32 OsShellCmdMemCheck(INT32 argc, const CHAR *argv[])
STATUS_T OsKHeapInit(size_t size)
内核空间动态内存(堆内存)初始化 , 争取系统动态内存池
Definition: los_memory.c:2095
VOID OsDumpMemByte(size_t length, UINTPTR addr)
VOID OsMemResetEndNode(VOID *pool, UINTPTR preAddr)
UINT32 OsMemLargeNodeFree(const VOID *ptr)
大内存释放
Definition: los_memory.c:382
UINT32 OsMemSystemInit(UINTPTR memStart)
signed int INT32
Definition: los_typedef.h:60
int STATUS_T
Definition: los_typedef.h:215
unsigned long UINTPTR
Definition: los_typedef.h:68
unsigned int UINT32
Definition: los_typedef.h:57
char CHAR
Definition: los_typedef.h:63
size_t BOOL
Definition: los_typedef.h:88