82 lines
2.1 KiB
C++
82 lines
2.1 KiB
C++
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/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "chre/platform/linux/task_util/task.h"
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namespace chre {
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namespace task_manager_internal {
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Task::Task(const TaskFunction &func, std::chrono::milliseconds repeatInterval,
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uint32_t id)
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: mExecutionTimestamp(std::chrono::steady_clock::now() + repeatInterval),
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mRepeatInterval(repeatInterval),
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mId(id),
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mHasExecuted(false) {
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if (func != nullptr) {
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mFunc = func;
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}
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}
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Task::Task(const Task &rhs)
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: mExecutionTimestamp(rhs.mExecutionTimestamp),
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mRepeatInterval(rhs.mRepeatInterval),
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mFunc(rhs.mFunc),
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mId(rhs.mId),
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mHasExecuted(rhs.mHasExecuted) {}
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Task &Task::operator=(const Task &rhs) {
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if (this != &rhs) {
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Task rhsCopy(rhs);
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std::swap(mExecutionTimestamp, rhsCopy.mExecutionTimestamp);
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std::swap(mRepeatInterval, rhsCopy.mRepeatInterval);
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{
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std::lock_guard lock(mExecutionMutex);
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std::swap(mFunc, rhsCopy.mFunc);
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}
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std::swap(mId, rhsCopy.mId);
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std::swap(mHasExecuted, rhsCopy.mHasExecuted);
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}
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return *this;
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}
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void Task::cancel() {
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std::lock_guard lock(mExecutionMutex);
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mRepeatInterval = std::chrono::milliseconds(0);
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mFunc.reset();
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}
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void Task::execute() {
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TaskFunction func;
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{
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std::lock_guard lock(mExecutionMutex);
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if (!mFunc.has_value()) {
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return;
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}
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func = mFunc.value();
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}
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func();
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mHasExecuted = true;
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if (isRepeating()) {
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mExecutionTimestamp = std::chrono::steady_clock::now() + mRepeatInterval;
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}
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}
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} // namespace task_manager_internal
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} // namespace chre
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