/* | |
* include/linux/eventfd.h | |
* | |
* Copyright (C) 2007 Davide Libenzi <davidel@xmailserver.org> | |
* | |
*/ | |
#ifndef _LINUX_EVENTFD_H | |
#define _LINUX_EVENTFD_H | |
#ifdef CONFIG_EVENTFD | |
/* For O_CLOEXEC and O_NONBLOCK */ | |
#include <linux/fcntl.h> | |
/* Flags for eventfd2. */ | |
#define EFD_CLOEXEC O_CLOEXEC | |
#define EFD_NONBLOCK O_NONBLOCK | |
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 /* _LINUX_EVENTFD_H */ | |