74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
|
||
|
|
#ifndef _LINUX_TIME_H
|
||
|
|
#define _LINUX_TIME_H
|
||
|
|
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <linux/time_types.h>
|
||
|
|
|
||
|
|
#ifndef _STRUCT_TIMESPEC
|
||
|
|
#define _STRUCT_TIMESPEC
|
||
|
|
struct timespec {
|
||
|
|
__kernel_old_time_t tv_sec; /* seconds */
|
||
|
|
long tv_nsec; /* nanoseconds */
|
||
|
|
};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
struct timeval {
|
||
|
|
__kernel_old_time_t tv_sec; /* seconds */
|
||
|
|
__kernel_suseconds_t tv_usec; /* microseconds */
|
||
|
|
};
|
||
|
|
|
||
|
|
struct itimerspec {
|
||
|
|
struct timespec it_interval;/* timer period */
|
||
|
|
struct timespec it_value; /* timer expiration */
|
||
|
|
};
|
||
|
|
|
||
|
|
struct itimerval {
|
||
|
|
struct timeval it_interval;/* timer interval */
|
||
|
|
struct timeval it_value; /* current value */
|
||
|
|
};
|
||
|
|
|
||
|
|
struct timezone {
|
||
|
|
int tz_minuteswest; /* minutes west of Greenwich */
|
||
|
|
int tz_dsttime; /* type of dst correction */
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Names of the interval timers, and structure
|
||
|
|
* defining a timer setting:
|
||
|
|
*/
|
||
|
|
#define ITIMER_REAL 0
|
||
|
|
#define ITIMER_VIRTUAL 1
|
||
|
|
#define ITIMER_PROF 2
|
||
|
|
|
||
|
|
/*
|
||
|
|
* The IDs of the various system clocks (for POSIX.1b interval timers):
|
||
|
|
*/
|
||
|
|
#define CLOCK_REALTIME 0
|
||
|
|
#define CLOCK_MONOTONIC 1
|
||
|
|
#define CLOCK_PROCESS_CPUTIME_ID 2
|
||
|
|
#define CLOCK_THREAD_CPUTIME_ID 3
|
||
|
|
#define CLOCK_MONOTONIC_RAW 4
|
||
|
|
#define CLOCK_REALTIME_COARSE 5
|
||
|
|
#define CLOCK_MONOTONIC_COARSE 6
|
||
|
|
#define CLOCK_BOOTTIME 7
|
||
|
|
#define CLOCK_REALTIME_ALARM 8
|
||
|
|
#define CLOCK_BOOTTIME_ALARM 9
|
||
|
|
/*
|
||
|
|
* The driver implementing this got removed. The clock ID is kept as a
|
||
|
|
* place holder. Do not reuse!
|
||
|
|
*/
|
||
|
|
#define CLOCK_SGI_CYCLE 10
|
||
|
|
#define CLOCK_TAI 11
|
||
|
|
|
||
|
|
#define MAX_CLOCKS 16
|
||
|
|
#define CLOCKS_MASK (CLOCK_REALTIME | CLOCK_MONOTONIC)
|
||
|
|
#define CLOCKS_MONO CLOCK_MONOTONIC
|
||
|
|
|
||
|
|
/*
|
||
|
|
* The various flags for setting POSIX.1b interval timers:
|
||
|
|
*/
|
||
|
|
#define TIMER_ABSTIME 0x01
|
||
|
|
|
||
|
|
#endif /* _LINUX_TIME_H */
|