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/*
* 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
#include <linux/fcntl.h>
#include <linux/types.h>
#define EPOLL_CLOEXEC O_CLOEXEC
#define EPOLL_CTL_ADD 1
#define EPOLL_CTL_DEL 2
#define EPOLL_CTL_MOD 3
#define EPOLLONESHOT (1 << 30)
#define EPOLLET (1 << 31)
#ifdef __x86_64__
#define EPOLL_PACKED __attribute__((packed))
#else
#define EPOLL_PACKED
#endif
struct epoll_event {
__u32 events;
__u64 data;
} EPOLL_PACKED;
#ifdef __KERNEL__
struct file;
#ifdef CONFIG_EPOLL
static inline void eventpoll_init_file(struct file *file)
{
INIT_LIST_HEAD(&file->f_ep_links);
INIT_LIST_HEAD(&file->f_tfile_llink);
}
void eventpoll_release_file(struct file *file);
static inline void eventpoll_release(struct file *file)
{
if (likely(list_empty(&file->f_ep_links)))
return;
eventpoll_release_file(file);
}
#else
static inline void eventpoll_init_file(struct file *file) {}
static inline void eventpoll_release(struct file *file) {}
#endif
#endif
#endif
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