#pragma once

#include "global.h"


void userdata_register(i64 userid,int fd);
void userdata_unregister(i64 userid,int fd);

void userdata_mark_active(i64 userid,int fd,bool active);

bool userdata_is_active(i64 userid);

// Returns array of nfds fd's; valid until next call to (un)register
const int* userdata_online(i64 userid,i64 *nfds);