1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #include "c/ffrt_ipc.h" 16 17 #include "internal_inc/osal.h" 18 #include "sched/execute_ctx.h" 19 #include "tm/cpu_task.h" 20 #include "dfx/log/ffrt_log_api.h" 21 #include "util/ffrt_facade.h" 22 23 namespace { 24 constexpr char EXCLUSIVE_MODE_TASK_NAME[] = "VSyncGenerator"; 25 } 26 27 #ifdef __cplusplus 28 extern "C" { 29 #endif 30 31 API_ATTRIBUTE((visibility("default"))) ffrt_this_task_set_legacy_mode(bool mode)32void ffrt_this_task_set_legacy_mode(bool mode) 33 { 34 auto task = ffrt::ExecuteCtx::Cur()->task; 35 if (!ffrt::IsCoTask(task)) { 36 return; 37 } 38 39 ffrt::CoTask* coTask = static_cast<ffrt::CoTask*>(task); 40 41 if (mode) { 42 coTask->legacyCountNum++; 43 } else { 44 coTask->legacyCountNum--; 45 if (coTask->legacyCountNum < 0) { 46 FFRT_SYSEVENT_LOGE("Legacy count num less than zero"); 47 } 48 } 49 50 if (task->GetLabel() == EXCLUSIVE_MODE_TASK_NAME) { 51 task->monitorTimeout_ = false; 52 ffrt::FFRTFacade::GetEUInstance().DisableWorkerMonitor(task->GetQos(), ffrt::ExecuteCtx::Cur()->tid); 53 } 54 } 55 56 #ifdef __cplusplus 57 } 58 #endif