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_SCHEDLIMIT_H 32 #define _LOS_SCHEDLIMIT_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 #define CORE_US_PER_SECOND (1000 * 1000) /* 1000 * 1000 us per second */ 43 typedef struct TagTaskCB LosTaskCB; 44 45 typedef struct ProcSchedLimiter { 46 UINT64 startTime; 47 UINT64 endTime; 48 UINT64 period; 49 UINT64 quota; 50 UINT64 allRuntime; 51 } ProcSchedLimiter; 52 53 VOID OsSchedLimitInit(UINTPTR limit); 54 VOID *OsSchedLimitAlloc(VOID); 55 VOID OsSchedLimitFree(UINTPTR limit); 56 VOID OsSchedLimitCopy(UINTPTR dest, UINTPTR src); 57 VOID OsSchedLimitUpdateRuntime(LosTaskCB *runTask, UINT64 currTime, INT32 incTime); 58 UINT32 OsSchedLimitSetPeriod(ProcSchedLimiter *schedLimit, UINT64 value); 59 UINT32 OsSchedLimitSetQuota(ProcSchedLimiter *schedLimit, UINT64 value); 60 BOOL OsSchedLimitCheckTime(LosTaskCB *task); 61 62 #ifdef __cplusplus 63 #if __cplusplus 64 } 65 #endif /* __cplusplus */ 66 #endif /* __cplusplus */ 67 68 #endif /* _LOS_SCHEDLIMIT_H */ 69