1 /* 2 * Copyright (c) 2022-2022 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_IPCLIMIT_H 32 #define _LOS_IPCLIMIT_H 33 34 #include "los_typedef.h" 35 36 #ifdef __cplusplus 37 #if __cplusplus 38 extern "C" { 39 #endif /* __cplusplus */ 40 #endif /* __cplusplus */ 41 42 typedef struct ProcIPCLimit { 43 UINT32 mqCount; 44 UINT32 mqFailedCount; 45 UINT32 mqCountLimit; 46 UINT32 shmSize; 47 UINT32 shmFailedCount; 48 UINT32 shmSizeLimit; 49 } ProcIPCLimit; 50 51 enum IPCStatType { 52 IPC_STAT_TYPE_MQ = 0, 53 IPC_STAT_TYPE_SHM = 3, 54 IPC_STAT_TYPE_BUT // buttock 55 }; 56 57 enum IPCStatOffset { 58 IPC_STAT_OFFSET_MQ = 0, 59 IPC_STAT_OFFSET_SHM = 3, 60 IPC_STAT_OFFSET_BUT // buttock 61 }; 62 63 enum StatItem { 64 STAT_ITEM_TOTAL, 65 STAT_ITEM_FAILED, 66 STAT_ITEM_LIMIT, 67 STAT_ITEM_BUT // buttock 68 }; 69 70 VOID OsIPCLimitInit(UINTPTR limite); 71 VOID *OsIPCLimitAlloc(VOID); 72 VOID OsIPCLimitFree(UINTPTR limite); 73 VOID OsIPCLimitCopy(UINTPTR dest, UINTPTR src); 74 BOOL OsIPCLimiteMigrateCheck(UINTPTR curr, UINTPTR parent); 75 VOID OsIPCLimitMigrate(UINTPTR currLimit, UINTPTR parentLimit, UINTPTR process); 76 BOOL OsIPCLimitAddProcessCheck(UINTPTR limit, UINTPTR process); 77 VOID OsIPCLimitAddProcess(UINTPTR limit, UINTPTR process); 78 VOID OsIPCLimitDelProcess(UINTPTR limit, UINTPTR process); 79 UINT32 OsIPCLimitSetMqLimit(ProcIPCLimit *ipcLimit, UINT32 value); 80 UINT32 OsIPCLimitSetShmLimit(ProcIPCLimit *ipcLimit, UINT32 value); 81 UINT32 OsIPCLimitMqAlloc(VOID); 82 VOID OsIPCLimitMqFree(VOID); 83 UINT32 OsIPCLimitShmAlloc(UINT32 size); 84 VOID OsIPCLimitShmFree(UINT32 size); 85 86 #ifdef __cplusplus 87 #if __cplusplus 88 } 89 #endif /* __cplusplus */ 90 #endif /* __cplusplus */ 91 92 #endif /* _LOS_IPCIMIT_H */ 93