polybar/include/utils/inotify.hpp

49 lines
849 B
C++

#pragma once
#include <poll.h>
#include <sys/inotify.h>
#include <cstdio>
#include "common.hpp"
POLYBAR_NS
struct inotify_event {
string filename;
bool is_dir;
int wd = 0;
int cookie = 0;
int mask = 0;
};
namespace inotify_util {
using event_t = inotify_event;
class inotify_watch {
public:
explicit inotify_watch(string path) : m_path(path) {}
~inotify_watch() noexcept;
void attach(int mask = IN_MODIFY);
void remove(bool force = false);
bool poll(int wait_ms = 1000);
unique_ptr<event_t> get_event();
bool await_match();
const string path() const;
protected:
string m_path;
int m_fd = -1;
int m_wd = -1;
int m_mask = 0;
};
using watch_t = unique_ptr<inotify_watch>;
watch_t make_watch(string path);
bool match(const event_t* evt, int mask);
}
POLYBAR_NS_END