openharmony_kernel_liteos_a/kernel/extended/plimit/los_ipclimit.h

96 lines
3.2 KiB
C

/*
* Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_IPCLIMIT_H
#define _LOS_IPCLIMIT_H
#include "los_typedef.h"
#include "los_atomic.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
typedef struct ProcIPCLimit {
Atomic rc;
UINT32 mqCount;
UINT32 mqFailedCount;
UINT32 mqCountLimit;
UINT32 shmSize;
UINT32 shmFailedCount;
UINT32 shmSizeLimit;
UINT64 migrateTime;
} ProcIPCLimit;
enum IPCStatType {
IPC_STAT_TYPE_MQ = 0,
IPC_STAT_TYPE_SHM = 3,
IPC_STAT_TYPE_BUT // buttock
};
enum IPCStatOffset {
IPC_STAT_OFFSET_MQ = 0,
IPC_STAT_OFFSET_SHM = 3,
IPC_STAT_OFFSET_BUT // buttock
};
enum StatItem {
STAT_ITEM_TOTAL,
STAT_ITEM_FAILED,
STAT_ITEM_LIMIT,
STAT_ITEM_BUT // buttock
};
VOID OsIPCLimitInit(UINTPTR limite);
VOID *OsIPCLimitAlloc(VOID);
VOID OsIPCLimitFree(UINTPTR limite);
VOID OsIPCLimitCopy(UINTPTR dest, UINTPTR src);
BOOL OsIPCLimiteMigrateCheck(UINTPTR curr, UINTPTR parent);
VOID OsIPCLimitMigrate(UINTPTR currLimit, UINTPTR parentLimit, UINTPTR process);
BOOL OsIPCLimitAddProcessCheck(UINTPTR limit, UINTPTR process);
VOID OsIPCLimitAddProcess(UINTPTR limit, UINTPTR process);
VOID OsIPCLimitDelProcess(UINTPTR limit, UINTPTR process);
UINT32 OsIPCLimitSetMqLimit(ProcIPCLimit *ipcLimit, UINT32 value);
UINT32 OsIPCLimitSetShmLimit(ProcIPCLimit *ipcLimit, UINT32 value);
UINT32 OsIPCLimitMqAlloc(VOID);
VOID OsIPCLimitMqFree(VOID);
UINT32 OsIPCLimitShmAlloc(UINT32 size);
VOID OsIPCLimitShmFree(UINT32 size);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_IPCIMIT_H */