48 lines
1.1 KiB
C++
48 lines
1.1 KiB
C++
#pragma once
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#include <string>
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#include <queue>
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#include <vector>
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#include <thread>
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#include <mutex>
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#include <condition_variable>
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#include <functional>
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#include <optional>
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#include <exception>
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#include <memory>
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#include "loggable.h"
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class TaskManager : public Loggable {
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public:
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using Error = std::optional<const std::exception*>;
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using Job = std::function<void ()>;
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using Result = std::function<void (Error)>;
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using Task = std::pair<Job, std::optional<Result>>;
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TaskManager(const std::shared_ptr<Logger>& logger);
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~TaskManager();
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void start();
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void stop();
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void wait() const;
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void queue(const Job& job);
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void queue(const Job& job, const Result& result);
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bool busy() const;
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private:
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void loop();
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void executeTask(const Task& task) const;
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private:
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bool running;
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bool stopping;
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uint32_t maxThreads;
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uint32_t activeThreads;
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std::queue<Task> tasks;
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mutable std::mutex mutex;
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mutable std::condition_variable loopConditional;
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mutable std::condition_variable waitConditional;
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std::vector<std::thread> threads;
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};
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