#ifndef _SYS_EPOLL_H
#define _SYS_EPOLL_H
#include <stdint.h>
#define EPOLLIN  1
#define EPOLLOUT 4
#define EPOLLERR 8
#define EPOLLHUP 16
typedef union epoll_data { void* ptr; int fd; uint32_t u32; uint64_t u64; } epoll_data_t;
struct epoll_event { uint32_t events; epoll_data_t data; };
int epoll_create(int size);
int epoll_ctl(int epfd, int op, int fd, struct epoll_event* event);
int epoll_wait(int epfd, struct epoll_event* events, int maxevents, int timeout);
#define EPOLL_CTL_ADD 1
#define EPOLL_CTL_DEL 2
#define EPOLL_CTL_MOD 3
#endif