1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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 */ |
38 | |