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/*
* include/linux/eventfd.h
*
* Copyright (C) 2007 Davide Libenzi <davidel@xmailserver.org>
*
*/
#ifndef _LINUX_EVENTFD_H
#define _LINUX_EVENTFD_H
#ifdef CONFIG_EVENTFD
/* For O_CLOEXEC and O_NONBLOCK */
#include <linux/fcntl.h>
/* Flags for eventfd2. */
#define EFD_CLOEXEC O_CLOEXEC
#define EFD_NONBLOCK O_NONBLOCK
struct file *eventfd_fget(int fd);
int eventfd_signal(struct file *file, int n);
#else /* CONFIG_EVENTFD */
#define eventfd_fget(fd) ERR_PTR(-ENOSYS)
static inline int eventfd_signal(struct file *file, int n)
{ return 0; }
#endif /* CONFIG_EVENTFD */
#endif /* _LINUX_EVENTFD_H */
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