waybar/include/util/sleeper_thread.hpp

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#pragma once
#include <chrono>
#include <ctime>
#include <functional>
#include <condition_variable>
#include <thread>
namespace waybar::util {
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class SleeperThread {
public:
SleeperThread() = default;
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SleeperThread(std::function<void()> func)
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: thread_{[this, func] {
while (do_run_) func();
}}
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{}
SleeperThread& operator=(std::function<void()> func)
{
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thread_ = std::thread([this, func] {
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while (do_run_) {
signal_ = false;
func();
}
});
return *this;
}
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bool isRunning() const
{
return do_run_;
}
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auto sleep_for(std::chrono::system_clock::duration dur)
{
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std::unique_lock lk(mutex_);
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return condvar_.wait_for(lk, dur, [this] { return signal_ || !do_run_; });
}
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auto sleep_until(std::chrono::time_point<std::chrono::system_clock,
std::chrono::system_clock::duration> time_point)
{
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std::unique_lock lk(mutex_);
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return condvar_.wait_until(lk, time_point, [this] { return signal_ || !do_run_; });
}
auto wake_up()
{
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signal_ = true;
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condvar_.notify_all();
}
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auto stop()
{
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{
std::lock_guard<std::mutex> lck(mutex_);
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signal_ = true;
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do_run_ = false;
}
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condvar_.notify_all();
}
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~SleeperThread()
{
stop();
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if (thread_.joinable()) {
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thread_.join();
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}
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}
private:
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std::thread thread_;
std::condition_variable condvar_;
std::mutex mutex_;
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bool do_run_ = true;
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bool signal_ = false;
};
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}