1*6f52b16cSGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2575b1967SMike Frysinger /* 3575b1967SMike Frysinger * include/linux/timerfd.h 4575b1967SMike Frysinger * 5575b1967SMike Frysinger * Copyright (C) 2007 Davide Libenzi <davidel@xmailserver.org> 6575b1967SMike Frysinger * 7575b1967SMike Frysinger */ 8575b1967SMike Frysinger 9575b1967SMike Frysinger #ifndef _UAPI_LINUX_TIMERFD_H 10575b1967SMike Frysinger #define _UAPI_LINUX_TIMERFD_H 11575b1967SMike Frysinger 12575b1967SMike Frysinger #include <linux/types.h> 13575b1967SMike Frysinger 14575b1967SMike Frysinger /* For O_CLOEXEC and O_NONBLOCK */ 15575b1967SMike Frysinger #include <linux/fcntl.h> 16575b1967SMike Frysinger 17575b1967SMike Frysinger /* For _IO helpers */ 18575b1967SMike Frysinger #include <linux/ioctl.h> 19575b1967SMike Frysinger 20575b1967SMike Frysinger /* 21575b1967SMike Frysinger * CAREFUL: Check include/asm-generic/fcntl.h when defining 22575b1967SMike Frysinger * new flags, since they might collide with O_* ones. We want 23575b1967SMike Frysinger * to re-use O_* flags that couldn't possibly have a meaning 24575b1967SMike Frysinger * from eventfd, in order to leave a free define-space for 25575b1967SMike Frysinger * shared O_* flags. 26575b1967SMike Frysinger * 27575b1967SMike Frysinger * Also make sure to update the masks in include/linux/timerfd.h 28575b1967SMike Frysinger * when adding new flags. 29575b1967SMike Frysinger */ 30575b1967SMike Frysinger #define TFD_TIMER_ABSTIME (1 << 0) 31575b1967SMike Frysinger #define TFD_TIMER_CANCEL_ON_SET (1 << 1) 32575b1967SMike Frysinger #define TFD_CLOEXEC O_CLOEXEC 33575b1967SMike Frysinger #define TFD_NONBLOCK O_NONBLOCK 34575b1967SMike Frysinger 35575b1967SMike Frysinger #define TFD_IOC_SET_TICKS _IOW('T', 0, __u64) 36575b1967SMike Frysinger 37575b1967SMike Frysinger #endif /* _UAPI_LINUX_TIMERFD_H */ 38