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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 __KERNEL__
 
#ifdef CONFIG_EVENTFD
 
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 /* __KERNEL__ */
 
#endif /* _LINUX_EVENTFD_H */