start

Initialize the timer by querying for a supported clock. Returns error.TimerUnsupported when such a clock is unavailable. This should only fail in hostile environments such as linux seccomp misuse.

Type definitions in this namespace

Types

epoch
Instant: An Instant represents a timestamp with respect to the currently
Timer: A monotonic, high performance timer.

Get a calendar timestamp, in seconds, relative to UTC 1970-01-01.

Functions

timestamp: Get a calendar timestamp, in seconds, relative to UTC 1970-01-01.
milliTimestamp: Get a calendar timestamp, in milliseconds, relative to UTC 1970-01-01.
microTimestamp: Get a calendar timestamp, in microseconds, relative to UTC 1970-01-01.
nanoTimestamp: Get a calendar timestamp, in nanoseconds, relative to UTC 1970-01-01.

= 1000

Values

ns_per_us: = 1000
ns_per_ms: = 1000 * ns_per_us
ns_per_s: = 1000 * ns_per_ms
ns_per_min: = 60 * ns_per_s
ns_per_hour: = 60 * ns_per_min
ns_per_day: = 24 * ns_per_hour
ns_per_week: = 7 * ns_per_day
us_per_ms: = 1000
us_per_s: = 1000 * us_per_ms
us_per_min: = 60 * us_per_s
us_per_hour: = 60 * us_per_min
us_per_day: = 24 * us_per_hour
us_per_week: = 7 * us_per_day
ms_per_s: = 1000
ms_per_min: = 60 * ms_per_s
ms_per_hour: = 60 * ms_per_min
ms_per_day: = 24 * ms_per_hour
ms_per_week: = 7 * ms_per_day
s_per_min: = 60
s_per_hour: = s_per_min * 60
s_per_day: = s_per_hour * 24
s_per_week: = s_per_day * 7

Source

Implementation

pub fn start() Error!Timer {
    const current = Instant.now() catch return error.TimerUnsupported;
    return Timer{ .started = current, .previous = current };
}