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Commit | Line | Data |
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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 | |
610d18f4 DL |
14 | /* |
15 | * CAREFUL: Check include/asm-generic/fcntl.h when defining | |
16 | * new flags, since they might collide with O_* ones. We want | |
17 | * to re-use O_* flags that couldn't possibly have a meaning | |
18 | * from eventfd, in order to leave a free define-space for | |
19 | * shared O_* flags. | |
20 | */ | |
b215e283 | 21 | #define TFD_TIMER_ABSTIME (1 << 0) |
99ee5315 | 22 | #define TFD_TIMER_CANCELON_SET (1 << 1) |
11fcb6c1 | 23 | #define TFD_CLOEXEC O_CLOEXEC |
6b1ef0e6 | 24 | #define TFD_NONBLOCK O_NONBLOCK |
b215e283 | 25 | |
610d18f4 DL |
26 | #define TFD_SHARED_FCNTL_FLAGS (TFD_CLOEXEC | TFD_NONBLOCK) |
27 | /* Flags for timerfd_create. */ | |
28 | #define TFD_CREATE_FLAGS TFD_SHARED_FCNTL_FLAGS | |
29 | /* Flags for timerfd_settime. */ | |
99ee5315 | 30 | #define TFD_SETTIME_FLAGS (TFD_TIMER_ABSTIME | TFD_TIMER_CANCELON_SET) |
b215e283 DL |
31 | |
32 | #endif /* _LINUX_TIMERFD_H */ |