blob: a701399b7fed915e8cbd057be25a57d32bb2de10 [file] [log] [blame]
Davide Libenzie1ad7462007-05-10 22:23:19 -07001/*
2 * include/linux/eventfd.h
3 *
4 * Copyright (C) 2007 Davide Libenzi <davidel@xmailserver.org>
5 *
6 */
7
8#ifndef _LINUX_EVENTFD_H
9#define _LINUX_EVENTFD_H
10
Davide Libenzie1ad7462007-05-10 22:23:19 -070011#ifdef CONFIG_EVENTFD
12
13struct file *eventfd_fget(int fd);
14int eventfd_signal(struct file *file, int n);
15
16#else /* CONFIG_EVENTFD */
17
18#define eventfd_fget(fd) ERR_PTR(-ENOSYS)
Randy Dunlapd2fd8992007-06-27 14:09:48 -070019static inline int eventfd_signal(struct file *file, int n)
20{ return 0; }
Davide Libenzie1ad7462007-05-10 22:23:19 -070021
22#endif /* CONFIG_EVENTFD */
23
Davide Libenzie1ad7462007-05-10 22:23:19 -070024#endif /* _LINUX_EVENTFD_H */
25