mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-21 19:53:59 +08:00
1ad106ca18
clean up the CLOCK_ portions of time.h Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
125 lines
3.3 KiB
C
125 lines
3.3 KiB
C
#ifndef _LINUX_TIME_H
|
|
#define _LINUX_TIME_H
|
|
|
|
#include <linux/types.h>
|
|
|
|
#ifdef __KERNEL__
|
|
#include <linux/seqlock.h>
|
|
#endif
|
|
|
|
#ifndef _STRUCT_TIMESPEC
|
|
#define _STRUCT_TIMESPEC
|
|
struct timespec {
|
|
time_t tv_sec; /* seconds */
|
|
long tv_nsec; /* nanoseconds */
|
|
};
|
|
#endif /* _STRUCT_TIMESPEC */
|
|
|
|
struct timeval {
|
|
time_t tv_sec; /* seconds */
|
|
suseconds_t tv_usec; /* microseconds */
|
|
};
|
|
|
|
struct timezone {
|
|
int tz_minuteswest; /* minutes west of Greenwich */
|
|
int tz_dsttime; /* type of dst correction */
|
|
};
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
/* Parameters used to convert the timespec values */
|
|
#define MSEC_PER_SEC (1000L)
|
|
#define USEC_PER_SEC (1000000L)
|
|
#define NSEC_PER_SEC (1000000000L)
|
|
#define NSEC_PER_USEC (1000L)
|
|
|
|
static __inline__ int timespec_equal(struct timespec *a, struct timespec *b)
|
|
{
|
|
return (a->tv_sec == b->tv_sec) && (a->tv_nsec == b->tv_nsec);
|
|
}
|
|
|
|
extern unsigned long mktime(const unsigned int year, const unsigned int mon,
|
|
const unsigned int day, const unsigned int hour,
|
|
const unsigned int min, const unsigned int sec);
|
|
|
|
extern void set_normalized_timespec(struct timespec *ts, time_t sec, long nsec);
|
|
|
|
extern struct timespec xtime;
|
|
extern struct timespec wall_to_monotonic;
|
|
extern seqlock_t xtime_lock;
|
|
|
|
static inline unsigned long get_seconds(void)
|
|
{
|
|
return xtime.tv_sec;
|
|
}
|
|
|
|
struct timespec current_kernel_time(void);
|
|
|
|
#define CURRENT_TIME (current_kernel_time())
|
|
#define CURRENT_TIME_SEC ((struct timespec) { xtime.tv_sec, 0 })
|
|
|
|
extern void do_gettimeofday(struct timeval *tv);
|
|
extern int do_settimeofday(struct timespec *tv);
|
|
extern int do_sys_settimeofday(struct timespec *tv, struct timezone *tz);
|
|
extern void clock_was_set(void); // call when ever the clock is set
|
|
extern int do_posix_clock_monotonic_gettime(struct timespec *tp);
|
|
extern long do_utimes(char __user * filename, struct timeval * times);
|
|
struct itimerval;
|
|
extern int do_setitimer(int which, struct itimerval *value, struct itimerval *ovalue);
|
|
extern int do_getitimer(int which, struct itimerval *value);
|
|
extern void getnstimeofday (struct timespec *tv);
|
|
extern void getnstimestamp(struct timespec *ts);
|
|
|
|
extern struct timespec timespec_trunc(struct timespec t, unsigned gran);
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
#define NFDBITS __NFDBITS
|
|
|
|
#define FD_SETSIZE __FD_SETSIZE
|
|
#define FD_SET(fd,fdsetp) __FD_SET(fd,fdsetp)
|
|
#define FD_CLR(fd,fdsetp) __FD_CLR(fd,fdsetp)
|
|
#define FD_ISSET(fd,fdsetp) __FD_ISSET(fd,fdsetp)
|
|
#define FD_ZERO(fdsetp) __FD_ZERO(fdsetp)
|
|
|
|
/*
|
|
* Names of the interval timers, and structure
|
|
* defining a timer setting.
|
|
*/
|
|
#define ITIMER_REAL 0
|
|
#define ITIMER_VIRTUAL 1
|
|
#define ITIMER_PROF 2
|
|
|
|
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 */
|
|
};
|
|
|
|
/*
|
|
* 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
|
|
|
|
/*
|
|
* The IDs of various hardware clocks
|
|
*/
|
|
#define CLOCK_SGI_CYCLE 10
|
|
#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
|