Waybar/include/util/chrono.hpp

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#pragma once
#include <chrono>
#include <ctime>
#include <functional>
#include <condition_variable>
#include <thread>
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#include <gtkmm.h>
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namespace waybar::chrono {
using namespace std::chrono;
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using clock = std::chrono::system_clock;
using duration = clock::duration;
using time_point = std::chrono::time_point<clock, duration>;
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}
namespace waybar::util {
struct SleeperThread {
SleeperThread() = default;
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SleeperThread(std::function<void()> func)
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: thread_{[this, func] {
while(true) {
{
std::lock_guard<std::mutex> lock(mutex_);
if (!do_run_) {
break;
}
}
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func();
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}
}}
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{}
SleeperThread& operator=(std::function<void()> func)
{
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thread_ = std::thread([this, func] {
while(true) {
{
std::lock_guard<std::mutex> lock(mutex_);
if (!do_run_) {
break;
}
}
func();
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}
});
return *this;
}
auto sleep_for(chrono::duration dur)
{
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auto lock = std::unique_lock(mutex_);
return condvar_.wait_for(lock, dur);
}
auto sleep_until(chrono::time_point time)
{
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auto lock = std::unique_lock(mutex_);
return condvar_.wait_until(lock, time);
}
auto wake_up()
{
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condvar_.notify_all();
}
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void emit()
{
Glib::signal_idle().connect_once([this] {
sig_update.emit();
});
}
~SleeperThread()
{
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do_run_ = false;
condvar_.notify_all();
auto native_handle = thread_.native_handle();
pthread_cancel(native_handle);
if (thread_.joinable()) {
thread_.join();
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}
}
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sigc::signal<void> sig_update;
private:
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std::thread thread_;
std::condition_variable condvar_;
std::mutex mutex_;
bool do_run_ = true;
};
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}