linux-stable-rt/include/linux/eventfd.h

30 lines
470 B
C

/*
* 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)
#define eventfd_signal(f, n) 0
#endif /* CONFIG_EVENTFD */
#endif /* __KERNEL__ */
#endif /* _LINUX_EVENTFD_H */