include/sys/time.h File Reference

#include <sys/types.h>

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Data Structures
struct	timeval
	Time value accurate to microseconds. More...
struct	timespec
	Time value accurate to nanoseconds. More...
struct	timezone
	Time zone. More...
Defines
#define	_ABLE_CLIB_SYS_TIME_H   1
#define	timerisset(tvp)   ((tvp)->tv_sec || (tvp)->tv_usec)
#define	timerclear(tvp)   ((tvp)->tv_sec = (tvp)->tv_usec = 0)
#define	timercmp(a, b, CMP)
#define	timeradd(a, b, result)
#define	timersub(a, b, result)
Functions
int	gettimeofday (struct timeval *tv, struct timezone *tz)
	Get the current time of day.
int	settimeofday (const struct timeval *tv, const struct timezone *tz)
	Set the current time of day.

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Define Documentation

#define _ABLE_CLIB_SYS_TIME_H   1

#define timeradd	(	a,
		b,
		result		)

Value:

do {                                                                \
        (result)->tv_sec = (a)->tv_sec + (b)->tv_sec;                   \
        (result)->tv_usec = (a)->tv_usec + (b)->tv_usec;                \
        while ((result)->tv_usec >= 1000000) {                          \
            ++(result)->tv_sec;                                         \
            (result)->tv_usec -= 1000000;                               \
        }                                                               \
    } while (0)

#define timerclear

(

tvp

)

((tvp)->tv_sec = (tvp)->tv_usec = 0)

#define timercmp	(	a,
		b,
		CMP		)

Value:

(((a)->tv_sec == (b)->tv_sec) ?                                     \
     ((a)->tv_usec CMP (b)->tv_usec) :                                  \
     ((a)->tv_sec CMP (b)->tv_sec))

#define timerisset

(

tvp

)

((tvp)->tv_sec || (tvp)->tv_usec)

#define timersub	(	a,
		b,
		result		)

Value:

do {                                                                \
        (result)->tv_sec = (a)->tv_sec - (b)->tv_sec;                   \
        (result)->tv_usec = (a)->tv_usec - (b)->tv_usec;                \
        while ((result)->tv_usec < 0) {                                 \
            --(result)->tv_sec;                                         \
            (result)->tv_usec += 1000000;                               \
        }                                                               \
    } while (0)

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Function Documentation

int gettimeofday	(	struct timeval *	tv,
		struct timezone *	tz
	)

Get the current time of day.

int settimeofday	(	const struct timeval *	tv,
		const struct timezone *	tz
	)

Set the current time of day.