/*
* include/linux/eventpoll.h ( Efficent 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 <[email protected]>
*
*/

#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 */