| 1 | |
| 2 | * include/linux/timerfd.h
|
| 3 | *
|
| 4 | * Copyright (C) 2007 Davide Libenzi <[email protected]>
|
| 5 | *
|
| 6 |
|
| 7 |
|
| 8 | #ifndef _LINUX_TIMERFD_H
|
| 9 | #define _LINUX_TIMERFD_H
|
| 10 |
|
| 11 |
|
| 12 | #include <linux/fcntl.h>
|
| 13 |
|
| 14 |
|
| 15 | #include <linux/ioctl.h>
|
| 16 |
|
| 17 | |
| 18 | * CAREFUL: Check include/asm-generic/fcntl.h when defining
|
| 19 | * new flags, since they might collide with O_* ones. We want
|
| 20 | * to re-use O_* flags that couldn't possibly have a meaning
|
| 21 | * from eventfd, in order to leave a free define-space for
|
| 22 | * shared O_* flags.
|
| 23 |
|
| 24 | #define TFD_TIMER_ABSTIME (1 << 0)
|
| 25 | #define TFD_TIMER_CANCEL_ON_SET (1 << 1)
|
| 26 | #define TFD_CLOEXEC O_CLOEXEC
|
| 27 | #define TFD_NONBLOCK O_NONBLOCK
|
| 28 |
|
| 29 | #define TFD_SHARED_FCNTL_FLAGS (TFD_CLOEXEC | TFD_NONBLOCK)
|
| 30 |
|
| 31 | #define TFD_CREATE_FLAGS TFD_SHARED_FCNTL_FLAGS
|
| 32 |
|
| 33 | #define TFD_SETTIME_FLAGS (TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET)
|
| 34 |
|
| 35 | #define TFD_IOC_SET_TICKS _IOW('T', 0, u64)
|
| 36 |
|
| 37 | #endif
|