/* * 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 */