ah-time.H File Reference

Low-level time utilities using POSIX timespec. More...

#include <sys/time.h>
#include <stdio.h>

Include dependency graph for ah-time.H:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Macros
#define	MSEC   1000
#define	USEC   1000000
#define	NSEC   1000000000
#define	EVENT_TIME(e)   ((e)->get_key())
#define	EVENT_SEC(e)   (EVENT_TIME(e).tv_sec)
#define	EVENT_NSEC(e)   (EVENT_TIME(e).tv_nsec)

Typedefs
typedef struct timespec	Time

Functions
long	msec_to_nsec (const long &msec)
long	usec_to_nsec (const long &usec)
char *	time_to_char (const Time &t, char *str, size_t str_size=64)
Time	timeval_to_time (const struct timeval &current_time)
Time	read_current_time ()
Time	time_plus_msec (const Time &current_time, const int &msec)
bool	operator== (const Time &l, const Time &r)
bool	operator< (const Time &l, const Time &r)
bool	operator<= (const Time &l, const Time &r)
bool	operator> (const Time &l, const Time &r)
bool	operator>= (const Time &l, const Time &r)

Detailed Description

Low-level time utilities using POSIX timespec.

Provides Time type and macros for time arithmetic using struct timespec. Includes conversion macros for milliseconds, microseconds, and nanoseconds.

Author

Leandro Rabindranath León

Definition in file ah-time.H.

Macro Definition Documentation

EVENT_NSEC

#define EVENT_NSEC

(

e

)

(EVENT_TIME(e).tv_nsec)

Definition at line 62 of file ah-time.H.

EVENT_SEC

#define EVENT_SEC

(

e

)

(EVENT_TIME(e).tv_sec)

Definition at line 61 of file ah-time.H.

EVENT_TIME

#define EVENT_TIME

(

e

)

((e)->get_key())

Definition at line 58 of file ah-time.H.

MSEC

#define MSEC   1000

Definition at line 53 of file ah-time.H.

NSEC

#define NSEC   1000000000

Definition at line 55 of file ah-time.H.

USEC

#define USEC   1000000

Definition at line 54 of file ah-time.H.

Typedef Documentation

Time

typedef struct timespec Time

Definition at line 50 of file ah-time.H.

Function Documentation

msec_to_nsec()

long msec_to_nsec ( const long &  msec )

inline

Definition at line 65 of file ah-time.H.

References MSEC, and USEC.

Referenced by time_plus_msec().

operator<()

bool operator< ( const Time &  l, const Time &  r  )

inline

Definition at line 142 of file ah-time.H.

References l, and NSEC.

Referenced by demo_event_simulation(), main(), and TEST().

operator<=()

bool operator<= ( const Time &  l, const Time &  r  )

inline

Definition at line 154 of file ah-time.H.

References l, and NSEC.

operator==()

bool operator== ( const Time &  l, const Time &  r  )

inline

Definition at line 133 of file ah-time.H.

References l, and NSEC.

operator>()

bool operator> ( const Time &  l, const Time &  r  )

inline

Definition at line 166 of file ah-time.H.

References l.

operator>=()

bool operator>= ( const Time &  l, const Time &  r  )

inline

Definition at line 172 of file ah-time.H.

References l.

read_current_time()

Time read_current_time ( )

inline

Definition at line 103 of file ah-time.H.

References timeval_to_time().

Referenced by TimeoutQueue::schedule_after_ms(), TEST(), TEST(), time_from_now_ms(), and time_from_now_ms().

time_plus_msec()

Time time_plus_msec ( const Time &  current_time, const int &  msec  )

inline

Definition at line 112 of file ah-time.H.

References MSEC, msec_to_nsec(), NSEC, and sec().

Referenced by TimeoutQueue::schedule_after_ms(), time_from_now_ms(), and time_from_now_ms().

time_to_char()

char * time_to_char ( const Time &  t, char *  str, size_t  str_size = 64  )

inline

Definition at line 81 of file ah-time.H.

timeval_to_time()

Time timeval_to_time ( const struct timeval &  current_time )

inline

Definition at line 89 of file ah-time.H.

References NSEC, USEC, and usec_to_nsec().

Referenced by read_current_time().

usec_to_nsec()

long usec_to_nsec ( const long &  usec )

inline

Definition at line 73 of file ah-time.H.

References MSEC, and USEC.

Referenced by timeval_to_time().