| Davide Libenzi | b215e28 | 2007-05-10 22:23:16 -0700 | [diff] [blame] | 1 | /* |
| 2 | * include/linux/timerfd.h |
| 3 | * |
| 4 | * Copyright (C) 2007 Davide Libenzi <davidel@xmailserver.org> |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #ifndef _LINUX_TIMERFD_H |
| 9 | #define _LINUX_TIMERFD_H |
| 10 | |
| Ulrich Drepper | 6b1ef0e | 2008-07-23 21:29:39 -0700 | [diff] [blame] | 11 | /* For O_CLOEXEC and O_NONBLOCK */ |
| Ulrich Drepper | 11fcb6c | 2008-07-23 21:29:26 -0700 | [diff] [blame] | 12 | #include <linux/fcntl.h> |
| Davide Libenzi | b215e28 | 2007-05-10 22:23:16 -0700 | [diff] [blame] | 13 | |
| Cyrill Gorcunov | 5442e9f | 2014-07-16 01:54:54 +0400 | [diff] [blame] | 14 | /* For _IO helpers */ |
| 15 | #include <linux/ioctl.h> |
| 16 | |
| Davide Libenzi | 610d18f | 2009-02-18 14:48:18 -0800 | [diff] [blame] | 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 | */ |
| Davide Libenzi | b215e28 | 2007-05-10 22:23:16 -0700 | [diff] [blame] | 24 | #define TFD_TIMER_ABSTIME (1 << 0) |
| Thomas Gleixner | 9ec2690 | 2011-05-20 16:18:50 +0200 | [diff] [blame] | 25 | #define TFD_TIMER_CANCEL_ON_SET (1 << 1) |
| Ulrich Drepper | 11fcb6c | 2008-07-23 21:29:26 -0700 | [diff] [blame] | 26 | #define TFD_CLOEXEC O_CLOEXEC |
| Ulrich Drepper | 6b1ef0e | 2008-07-23 21:29:39 -0700 | [diff] [blame] | 27 | #define TFD_NONBLOCK O_NONBLOCK |
| Davide Libenzi | b215e28 | 2007-05-10 22:23:16 -0700 | [diff] [blame] | 28 | |
| Davide Libenzi | 610d18f | 2009-02-18 14:48:18 -0800 | [diff] [blame] | 29 | #define TFD_SHARED_FCNTL_FLAGS (TFD_CLOEXEC | TFD_NONBLOCK) |
| 30 | /* Flags for timerfd_create. */ |
| 31 | #define TFD_CREATE_FLAGS TFD_SHARED_FCNTL_FLAGS |
| 32 | /* Flags for timerfd_settime. */ |
| Thomas Gleixner | 9ec2690 | 2011-05-20 16:18:50 +0200 | [diff] [blame] | 33 | #define TFD_SETTIME_FLAGS (TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET) |
| Davide Libenzi | b215e28 | 2007-05-10 22:23:16 -0700 | [diff] [blame] | 34 | |
| Cyrill Gorcunov | 5442e9f | 2014-07-16 01:54:54 +0400 | [diff] [blame] | 35 | #define TFD_IOC_SET_TICKS _IOW('T', 0, u64) |
| 36 | |
| Davide Libenzi | b215e28 | 2007-05-10 22:23:16 -0700 | [diff] [blame] | 37 | #endif /* _LINUX_TIMERFD_H */ |