1#ifndef	_SYS_EPOLL_H
 2#define	_SYS_EPOLL_H
 3
 4#ifdef __cplusplus
 5extern "C" {
 6#endif
 7
 8#include <stdint.h>
 9#include <sys/types.h>
10#include <sys/ioctl.h>
11#include <fcntl.h>
12
13#define __NEED_sigset_t
14
15#include <bits/alltypes.h>
16
17#define EPOLL_CLOEXEC O_CLOEXEC
18#define EPOLL_NONBLOCK O_NONBLOCK
19
20enum EPOLL_EVENTS { __EPOLL_DUMMY };
21#define EPOLLIN 0x001
22#define EPOLLPRI 0x002
23#define EPOLLOUT 0x004
24#define EPOLLRDNORM 0x040
25#define EPOLLNVAL 0x020
26#define EPOLLRDBAND 0x080
27#define EPOLLWRNORM 0x100
28#define EPOLLWRBAND 0x200
29#define EPOLLMSG 0x400
30#define EPOLLERR 0x008
31#define EPOLLHUP 0x010
32#define EPOLLRDHUP 0x2000
33#define EPOLLEXCLUSIVE (1U<<28)
34#define EPOLLWAKEUP (1U<<29)
35#define EPOLLONESHOT (1U<<30)
36#define EPOLLET (1U<<31)
37
38#define EPOLL_CTL_ADD 1
39#define EPOLL_CTL_DEL 2
40#define EPOLL_CTL_MOD 3
41
42typedef union epoll_data {
43	void *ptr;
44	int fd;
45	uint32_t u32;
46	uint64_t u64;
47} epoll_data_t;
48
49struct epoll_event {
50	uint32_t events;
51	epoll_data_t data;
52}
53#ifdef __x86_64__
54__attribute__ ((__packed__))
55#endif
56;
57
58struct epoll_params {
59	uint32_t busy_poll_usecs;
60	uint16_t busy_poll_budget;
61	uint8_t prefer_busy_poll;
62
63	uint8_t __pad;
64};
65
66#define EPOLL_IOC_TYPE 0x8A
67#define EPIOCSPARAMS _IOW(EPOLL_IOC_TYPE, 0x01, struct epoll_params)
68#define EPIOCGPARAMS _IOR(EPOLL_IOC_TYPE, 0x02, struct epoll_params)
69
70int epoll_create(int);
71int epoll_create1(int);
72int epoll_ctl(int, int, int, struct epoll_event *);
73int epoll_wait(int, struct epoll_event *, int, int);
74int epoll_pwait(int, struct epoll_event *, int, int, const sigset_t *);
75
76
77#ifdef __cplusplus
78}
79#endif
80
81#endif /* sys/epoll.h */