waybar/include/util/sleeper_thread.hpp
2019-01-13 22:22:22 +01:00

77 lines
1.3 KiB
C++

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