| /* |
| * include/linux/eventpoll.h ( Efficient event polling implementation ) |
| * Copyright (C) 2001,...,2006 Davide Libenzi |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * Davide Libenzi <davidel@xmailserver.org> |
| * |
| */ |
| |
| #ifndef _LINUX_EVENTPOLL_H |
| #define _LINUX_EVENTPOLL_H |
| |
| /* For O_CLOEXEC */ |
| #include <linux/fcntl.h> |
| #include <linux/types.h> |
| |
| /* Flags for epoll_create1. */ |
| #define EPOLL_CLOEXEC O_CLOEXEC |
| |
| /* Valid opcodes to issue to sys_epoll_ctl() */ |
| #define EPOLL_CTL_ADD 1 |
| #define EPOLL_CTL_DEL 2 |
| #define EPOLL_CTL_MOD 3 |
| |
| /* Set the One Shot behaviour for the target file descriptor */ |
| #define EPOLLONESHOT (1 << 30) |
| |
| /* Set the Edge Triggered behaviour for the target file descriptor */ |
| #define EPOLLET (1 << 31) |
| |
| /* |
| * On x86-64 make the 64bit structure have the same alignment as the |
| * 32bit structure. This makes 32bit emulation easier. |
| * |
| * UML/x86_64 needs the same packing as x86_64 |
| */ |
| #ifdef __x86_64__ |
| #define EPOLL_PACKED __attribute__((packed)) |
| #else |
| #define EPOLL_PACKED |
| #endif |
| |
| struct epoll_event { |
| __u32 events; |
| __u64 data; |
| } EPOLL_PACKED; |
| |
| |
| #endif /* #ifndef _LINUX_EVENTPOLL_H */ |
| |
