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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 
/* 
 *  include/linux/timerfd.h 
 * 
 *  Copyright (C) 2007  Davide Libenzi <davidel@xmailserver.org> 
 * 
 */ 
 
#ifndef _LINUX_TIMERFD_H 
#define _LINUX_TIMERFD_H 
 
#include <linux/types.h> 
 
/* For O_CLOEXEC and O_NONBLOCK */ 
#include <linux/fcntl.h> 
 
/* For _IO helpers */ 
#include <linux/ioctl.h> 
 
/* 
 * CAREFUL: Check include/asm-generic/fcntl.h when defining 
 * new flags, since they might collide with O_* ones. We want 
 * to re-use O_* flags that couldn't possibly have a meaning 
 * from eventfd, in order to leave a free define-space for 
 * shared O_* flags. 
 * 
 * Also make sure to update the masks in include/linux/timerfd.h 
 * when adding new flags. 
 */ 
#define TFD_TIMER_ABSTIME (1 << 0) 
#define TFD_TIMER_CANCEL_ON_SET (1 << 1) 
#define TFD_CLOEXEC O_CLOEXEC 
#define TFD_NONBLOCK O_NONBLOCK 
 
#define TFD_IOC_SET_TICKS	_IOW('T', 0, __u64) 
 
#endif /* _LINUX_TIMERFD_H */