dde2993223
If logid scans every device, it will either SIGSEGV or not work at all. This commit should fix bug #100.
70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
/*
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* Copyright 2019-2020 PixlOne
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef LOGID_TASK_H
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#define LOGID_TASK_H
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#include <functional>
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#include <memory>
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#include <future>
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#include "ExceptionHandler.h"
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namespace logid
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{
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class task
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{
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public:
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enum Status
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{
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Waiting,
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Running,
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Completed
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};
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explicit task(const std::function<void()>& function,
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const std::function<void(std::exception&)>&
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exception_handler={[](std::exception& e)
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{ExceptionHandler::Default(e);}});
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Status getStatus();
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void run(); // Runs synchronously
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void wait();
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void waitStart();
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std::future_status waitFor(std::chrono::milliseconds ms);
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/* This function spawns a new task into the least used worker queue
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* and forgets about it.
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*/
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static void spawn(const std::function<void()>& function,
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const std::function<void(std::exception&)>&
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exception_handler={[](std::exception& e)
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{ExceptionHandler::Default(e);}});
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private:
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std::shared_ptr<std::function<void()>> _function;
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std::shared_ptr<std::function<void(std::exception&)>>
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_exception_handler;
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std::atomic<Status> _status;
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std::condition_variable _status_cv;
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std::packaged_task<void()> _task_pkg;
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std::future<void> _future;
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};
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}
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#endif //LOGID_TASK_H
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