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-rw-r--r--include/linux/eventfd.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/eventfd.h b/include/linux/eventfd.h
new file mode 100644
index 000000000000..0d6ecc60b94d
--- /dev/null
+++ b/include/linux/eventfd.h
@@ -0,0 +1,29 @@
1/*
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
11
12#ifdef __KERNEL__
13
14#ifdef CONFIG_EVENTFD
15
16struct file *eventfd_fget(int fd);
17int eventfd_signal(struct file *file, int n);
18
19#else /* CONFIG_EVENTFD */
20
21#define eventfd_fget(fd) ERR_PTR(-ENOSYS)
22#define eventfd_signal(f, n) 0
23
24#endif /* CONFIG_EVENTFD */
25
26#endif /* __KERNEL__ */
27
28#endif /* _LINUX_EVENTFD_H */
29