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#ifndef _SYS_EPOLL_H_
29#define _SYS_EPOLL_H_
30
31#include <sys/cdefs.h>
32
33__BEGIN_DECLS
34
35#define EPOLLIN          0x00000001
36#define EPOLLPRI         0x00000002
37#define EPOLLOUT         0x00000004
38#define EPOLLERR         0x00000008
39#define EPOLLHUP         0x00000010
40#define EPOLLRDNORM      0x00000040
41#define EPOLLRDBAND      0x00000080
42#define EPOLLWRNORM      0x00000100
43#define EPOLLWRBAND      0x00000200
44#define EPOLLMSG         0x00000400
45#define EPOLLRDHUP       0x00002000
46#define EPOLLWAKEUP      0x20000000
47#define EPOLLONESHOT     0x40000000
48#define EPOLLET          0x80000000
49
50#define EPOLL_CTL_ADD    1
51#define EPOLL_CTL_DEL    2
52#define EPOLL_CTL_MOD    3
53
54typedef union epoll_data
55{
56    void *ptr;
57    int fd;
58    unsigned int u32;
59    unsigned long long u64;
60} epoll_data_t;
61
62struct epoll_event
63{
64    unsigned int events;
65    epoll_data_t data;
66};
67
68int epoll_create(int size);
69int epoll_ctl(int epfd, int op, int fd, struct epoll_event *event);
70int epoll_wait(int epfd, struct epoll_event *events, int max, int timeout);
71
72__END_DECLS
73
74#endif  /* _SYS_EPOLL_H_ */
75
76