#ifndef ULIBC_SYS_EPOLL_H
#define ULIBC_SYS_EPOLL_H

#include <stdint.h>

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

#define EPOLLIN      0x001
#define EPOLLOUT     0x004
#define EPOLLERR     0x008
#define EPOLLHUP     0x010
#define EPOLLRDHUP   0x2000
#define EPOLLET      (1U << 31)
#define EPOLLONESHOT (1 << 30)

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_create1(int flags);
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);

#endif