timestamp.h File Reference

Portable routines for high resolution timing. More...

#include "int_sizes.h"
#include <time.h>

Go to the source code of this file.

Typedefs
typedef UINT64_T	timestamp_t
	A type to hold the current time, in microseconds since January 1st, 1970. More...

Functions
timestamp_t	timestamp_get (void)
	Get the current time. More...
int	timestamp_fmt (char *buf, size_t size, const char *fmt, timestamp_t ts)
	Formats timestamp_t ts according to the format specification fmt and stores the result as a string in array buf. More...
void	timestamp_sleep (timestamp_t interval)
	Sleep for a specified time. More...
time_t	timestamp_file (const char *file)
	Get the last modified time of a file. More...

Detailed Description

Portable routines for high resolution timing.

Typedef Documentation

typedef UINT64_T timestamp_t

A type to hold the current time, in microseconds since January 1st, 1970.

Function Documentation

timestamp_t timestamp_get

(

void

)

Get the current time.

Returns

The current time, in microseconds since January 1st, 1970.

int timestamp_fmt	(	char *	buf,
		size_t	size,
		const char *	fmt,
		timestamp_t	ts
	)

Formats timestamp_t ts according to the format specification fmt and stores the result as a string in array buf.

Parameters

buf	The array that holds the formatted string.
size	The size of array buf.
fmt	The specification of the desired format.
ts	The time value to format.

Returns

The number of characters placed in the array buf.

void timestamp_sleep

(

timestamp_t

interval

)

Sleep for a specified time.

Parameters

interval

The number of microseconds to sleep for.

time_t timestamp_file

(

const char *

file

)

Get the last modified time of a file.

Parameters

file	The path of the file to examine.

Returns

The modification time, in seconds since January 1st, 1970.