TIMESPEC_GET(3)

TIMESPEC_GET(3) | Library Functions Manual | TIMESPEC_GET(3)

# NAME

`timespec_get` —
get current calendar time

# LIBRARY

Standard C Library (libc, -lc)

# SYNOPSIS

`#include <time.h>`

int
`timespec_get`(struct timespec *ts, int base);

# DESCRIPTION

The `timespec_get` function sets the interval pointed to by ts to hold the current calendar time based on the specified time base in base.

The base `TIME_UTC` returns the time since the epoch. This time is expressed in seconds and nanoseconds since midnight (0 hour), January 1, 1970. In NetBSD, this corresponds to `CLOCK_REALTIME`.

# RETURN VALUES

The `timespec_get` function returns the passed value of base if successful, otherwise `0` on failure.

# SEE ALSO

clock_gettime(2), gettimeofday(2), time(3)

# STANDARDS

The `timespec_get` function with a base of `TIME_UTC` conforms to ISO/IEC 9899:2011 (“ISO C11”).

# HISTORY

This interface first appeared in NetBSD 8.

# AUTHORS

Kamil Rytarowski <kamil@NetBSD.org>
Warner Losh <imp@FreeBSD.org>

August 10, 2018 | NetBSD 9.0