1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *  * Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *  * Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in
12 *    the documentation and/or other materials provided with the
13 *    distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#ifndef _SYS_EPOLL_H_
30#define _SYS_EPOLL_H_
31
32#include <sys/cdefs.h>
33#include <sys/types.h>
34#include <fcntl.h> /* For O_CLOEXEC. */
35#include <signal.h> /* For sigset_t. */
36
37__BEGIN_DECLS
38
39#define EPOLLIN          0x00000001
40#define EPOLLPRI         0x00000002
41#define EPOLLOUT         0x00000004
42#define EPOLLERR         0x00000008
43#define EPOLLHUP         0x00000010
44#define EPOLLRDNORM      0x00000040
45#define EPOLLRDBAND      0x00000080
46#define EPOLLWRNORM      0x00000100
47#define EPOLLWRBAND      0x00000200
48#define EPOLLMSG         0x00000400
49#define EPOLLRDHUP       0x00002000
50#define EPOLLWAKEUP      0x20000000
51#define EPOLLONESHOT     0x40000000
52#define EPOLLET          0x80000000
53
54#define EPOLL_CTL_ADD    1
55#define EPOLL_CTL_DEL    2
56#define EPOLL_CTL_MOD    3
57
58#define EPOLL_CLOEXEC O_CLOEXEC
59
60typedef union epoll_data {
61  void* ptr;
62  int fd;
63  uint32_t u32;
64  uint64_t u64;
65} epoll_data_t;
66
67struct epoll_event {
68  uint32_t events;
69  epoll_data_t data;
70}
71#ifdef __x86_64__
72__packed
73#endif
74;
75
76int epoll_create(int);
77int epoll_create1(int);
78int epoll_ctl(int, int, int, struct epoll_event*);
79int epoll_wait(int, struct epoll_event*, int, int);
80int epoll_pwait(int, struct epoll_event*, int, int, const sigset_t*);
81
82__END_DECLS
83
84#endif  /* _SYS_EPOLL_H_ */
85