| /* |
| * include/linux/timerfd.h |
| * |
| * Copyright (C) 2007 Davide Libenzi <davidel@xmailserver.org> |
| * |
| */ |
| |
| #ifndef _LINUX_TIMERFD_H |
| #define _LINUX_TIMERFD_H |
| |
| /* For O_CLOEXEC and O_NONBLOCK */ |
| #include <linux/fcntl.h> |
| |
| /* For _IO helpers */ |
| #include <linux/ioctl.h> |
| |
| /* |
| * CAREFUL: Check include/asm-generic/fcntl.h when defining |
| * new flags, since they might collide with O_* ones. We want |
| * to re-use O_* flags that couldn't possibly have a meaning |
| * from eventfd, in order to leave a free define-space for |
| * shared O_* flags. |
| */ |
| #define TFD_TIMER_ABSTIME (1 << 0) |
| #define TFD_TIMER_CANCEL_ON_SET (1 << 1) |
| #define TFD_CLOEXEC O_CLOEXEC |
| #define TFD_NONBLOCK O_NONBLOCK |
| |
| #define TFD_SHARED_FCNTL_FLAGS (TFD_CLOEXEC | TFD_NONBLOCK) |
| /* Flags for timerfd_create. */ |
| #define TFD_CREATE_FLAGS TFD_SHARED_FCNTL_FLAGS |
| /* Flags for timerfd_settime. */ |
| #define TFD_SETTIME_FLAGS (TFD_TIMER_ABSTIME | TFD_TIMER_CANCEL_ON_SET) |
| |
| #define TFD_IOC_SET_TICKS _IOW('T', 0, u64) |
| |
| #endif /* _LINUX_TIMERFD_H */ |