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_MEMLIMIT_H 32 #define _LOS_MEMLIMIT_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 ProcMemLimiter { 43 UINT64 usage; 44 UINT64 limit; 45 UINT64 peak; 46 UINT32 failcnt; 47 } ProcMemLimiter; 48 49 VOID OsMemLimiterInit(UINTPTR limite); 50 VOID *OsMemLimiterAlloc(VOID); 51 VOID OsMemLimiterFree(UINTPTR limite); 52 VOID OsMemLimiterCopy(UINTPTR dest, UINTPTR src); 53 BOOL MemLimiteMigrateCheck(UINTPTR curr, UINTPTR parent); 54 VOID OsMemLimiterMigrate(UINTPTR currLimit, UINTPTR parentLimit, UINTPTR process); 55 BOOL OsMemLimitAddProcessCheck(UINTPTR limit, UINTPTR process); 56 VOID OsMemLimitAddProcess(UINTPTR limit, UINTPTR process); 57 VOID OsMemLimitDelProcess(UINTPTR limit, UINTPTR process); 58 UINT32 OsMemLimitSetMemLimit(ProcMemLimiter *memLimit, UINT64 value); 59 VOID OsMemLimitSetLimit(UINTPTR limit); 60 UINT32 OsMemLimitCheckAndMemAdd(UINT32 size); 61 VOID OsMemLimitMemFree(UINT32 size); 62 63 #ifdef __cplusplus 64 #if __cplusplus 65 } 66 #endif /* __cplusplus */ 67 #endif /* __cplusplus */ 68 69 #endif /* _LOS_MEMLIMIT_H */ 70