#ifndef EPOLL_H_
#define EPOLL_H_

#include <WinSock2.h>
#include <Windows.h>

#include <stdint.h>


#define EPOLLIN 0x001
#define EPOLLPRI 0x002
#define EPOLLOUT 0x004
#define EPOLLERR 0x008
#define EPOLLHUP 0x010
#define EPOLLRDNORM 0x040
#define EPOLLRDBAND 0x080
#define EPOLLWRNORM 0x100
#define EPOLLMSG 0x400
#define EPOLLWRBAND 0x200
#define EPOLLRDHUP 0x2000

/* #define EPOLLET (1 << 30) Not supported */
#define EPOLLONESHOT (1 << 31)


#define EPOLL_CTL_ADD 1
#define EPOLL_CTL_MOD 2
#define EPOLL_CTL_DEL 3

typedef void* epoll_t;

typedef union epoll_data {
  void    *ptr;
  int      fd;
  uint32_t u32;
  uint64_t u64;
  /* Windows-specific extensions. */
  SOCKET sock;
  HANDLE hnd;
} epoll_data_t;

struct epoll_event {
  uint32_t     events;    /* Epoll events */
  epoll_data_t data;      /* User data variable */
};


epoll_t epoll_create();

int epoll_close(epoll_t epoll_hnd);

int epoll_ctl(epoll_t epoll_hnd, int op, SOCKET sock, struct epoll_event* event); 

int epoll_wait(epoll_t epoll_hnd, struct epoll_event* events, int maxevents, int timeout);


#endif  /* EPOLL_H_ */