Waybar/include/util/chrono.hpp

94 lines
1.7 KiB
C++

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