2 files changed, 30 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 @@
+/*
+ *  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 */
+
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index fc637be1d9cf..b02070eac422 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -607,6 +607,7 @@ asmlinkage long sys_getcpu(unsigned __user *cpu, unsigned __user *node, struct g
 asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemask);
 asmlinkage long sys_timerfd(int ufd, int clockid, int flags,
                             const struct itimerspec __user *utmr);
+asmlinkage long sys_eventfd(unsigned int count);
 
 int kernel_execve(const char *filename, char *const argv[], char *const envp[]);