projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b215e283 DL |
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 | ||
| 6b1ef0e6 | 11 | /* For O_CLOEXEC and O_NONBLOCK */ |
| 11fcb6c1 | 12 | #include <linux/fcntl.h> |
| b215e283 | 13 | |
| 5442e9fb CG |
14 | /* For _IO helpers */ |
| 15 | #include <linux/ioctl.h> | |
| 16 | ||
| 610d18f4 DL |
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 | */ | |
| b215e283 | 24 | #define TFD_TIMER_ABSTIME (1 << 0) |
| 9ec26907 | 25 | #define TFD_TIMER_CANCEL_ON_SET (1 << 1) |
| 11fcb6c1 | 26 | #define TFD_CLOEXEC O_CLOEXEC |
| 6b1ef0e6 | 27 | #define TFD_NONBLOCK O_NONBLOCK |
| b215e283 | 28 | |
| 610d18f4 DL |
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. */ | |
| 9ec26907 | 33 | #define TFD_SETTIME_FLAGS (TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET) |
| b215e283 | 34 | |
| 5442e9fb CG |
35 | #define TFD_IOC_SET_TICKS _IOW('T', 0, u64) |
| 36 | ||
| b215e283 | 37 | #endif /* _LINUX_TIMERFD_H */ |