| Greg Kroah-Hartman | 6f52b16 | 2017-11-01 15:08:43 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| Mike Frysinger | 575b196 | 2017-01-10 16:58:30 -0800 | [diff] [blame] | 2 | /* |
| 3 | * include/linux/timerfd.h |
| 4 | * |
| 5 | * Copyright (C) 2007 Davide Libenzi <davidel@xmailserver.org> |
| 6 | * |
| 7 | */ |
| 8 | |
| 9 | #ifndef _UAPI_LINUX_TIMERFD_H |
| 10 | #define _UAPI_LINUX_TIMERFD_H |
| 11 | |
| 12 | #include <linux/types.h> |
| 13 | |
| 14 | /* For O_CLOEXEC and O_NONBLOCK */ |
| 15 | #include <linux/fcntl.h> |
| 16 | |
| 17 | /* For _IO helpers */ |
| 18 | #include <linux/ioctl.h> |
| 19 | |
| 20 | /* |
| 21 | * CAREFUL: Check include/asm-generic/fcntl.h when defining |
| 22 | * new flags, since they might collide with O_* ones. We want |
| 23 | * to re-use O_* flags that couldn't possibly have a meaning |
| 24 | * from eventfd, in order to leave a free define-space for |
| 25 | * shared O_* flags. |
| 26 | * |
| 27 | * Also make sure to update the masks in include/linux/timerfd.h |
| 28 | * when adding new flags. |
| 29 | */ |
| 30 | #define TFD_TIMER_ABSTIME (1 << 0) |
| 31 | #define TFD_TIMER_CANCEL_ON_SET (1 << 1) |
| 32 | #define TFD_CLOEXEC O_CLOEXEC |
| 33 | #define TFD_NONBLOCK O_NONBLOCK |
| 34 | |
| 35 | #define TFD_IOC_SET_TICKS _IOW('T', 0, __u64) |
| 36 | |
| 37 | #endif /* _UAPI_LINUX_TIMERFD_H */ |