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1 /*
2  * Copyright (c) 2023-2023 Huawei Device Co., Ltd. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without modification,
5  * are permitted provided that the following conditions are met:
6  *
7  * 1. Redistributions of source code must retain the above copyright notice, this list of
8  *    conditions and the following disclaimer.
9  *
10  * 2. Redistributions in binary form must reproduce the above copyright notice, this list
11  *    of conditions and the following disclaimer in the documentation and/or other materials
12  *    provided with the distribution.
13  *
14  * 3. Neither the name of the copyright holder nor the names of its contributors may be used
15  *    to endorse or promote products derived from this software without specific prior written
16  *    permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
22  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
27  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
28  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #ifndef _LOS_MNT_CONTAINER_PRI_H
32 #define _LOS_MNT_CONTAINER_PRI_H
33 
34 #include "fs/mount.h"
35 #include "sched.h"
36 #include "los_atomic.h"
37 #include "vnode.h"
38 #include "stdlib.h"
39 
40 #ifdef LOSCFG_MNT_CONTAINER
41 typedef struct ProcessCB LosProcessCB;
42 struct Container;
43 
44 typedef struct MntContainer {
45     Atomic rc;
46     UINT32 containerID;
47     LIST_HEAD mountList;
48 } MntContainer;
49 
50 LIST_HEAD *GetContainerMntList(VOID);
51 
52 UINT32 OsInitRootMntContainer(MntContainer **mntContainer);
53 
54 UINT32 OsCopyMntContainer(UINTPTR flags, LosProcessCB *child, LosProcessCB *parent);
55 
56 UINT32 OsUnshareMntContainer(UINTPTR flags, LosProcessCB *curr, struct Container *newContainer);
57 
58 UINT32 OsSetNsMntContainer(UINT32 flags, struct Container *container, struct Container *newContainer);
59 
60 VOID OsMntContainerDestroy(struct Container *container);
61 
62 UINT32 OsGetMntContainerID(MntContainer *mntContainer);
63 
64 UINT32 OsGetMntContainerCount(VOID);
65 #endif
66 #endif
67