1 #ifndef _SYS_TIMERFD_H
2 #define _SYS_TIMERFD_H
3 
4 #ifdef __cplusplus
5 extern "C" {
6 #endif
7 
8 #include <time.h>
9 #include <fcntl.h>
10 
11 #define TFD_NONBLOCK O_NONBLOCK
12 #define TFD_CLOEXEC O_CLOEXEC
13 
14 #define TFD_TIMER_ABSTIME 1
15 #define TFD_TIMER_CANCEL_ON_SET (1 << 1)
16 
17 struct itimerspec;
18 
19 int timerfd_create(int, int);
20 int timerfd_settime(int, int, const struct itimerspec *, struct itimerspec *);
21 int timerfd_gettime(int, struct itimerspec *);
22 
23 #ifdef __cplusplus
24 }
25 #endif
26 
27 #endif
28