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 EPOLLET 0x80000000 46 47 #define EPOLL_CTL_ADD 1 48 #define EPOLL_CTL_DEL 2 49 #define EPOLL_CTL_MOD 3 50 51 typedef union epoll_data 52 { 53 void *ptr; 54 int fd; 55 unsigned int u32; 56 unsigned long long u64; 57 } epoll_data_t; 58 59 struct epoll_event 60 { 61 unsigned int events; 62 epoll_data_t data; 63 }; 64 65 int epoll_create(int size); 66 int epoll_ctl(int epfd, int op, int fd, struct epoll_event *event); 67 int epoll_wait(int epfd, struct epoll_event *events, int max, int timeout); 68 69 __END_DECLS 70 71 #endif /* _SYS_EPOLL_H_ */ 72 73