blob: 2560243aab0cdc02e8243b62d94c95f7dcc00089 [file] [log] [blame]
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// A VM patch of the stopwatch part of dart:core.
@patch class Stopwatch {
@patch static void _initTicker() {
if (_frequency == null) {
_frequency = _computeFrequency();
// Returns the current clock tick.
@patch static int _now() native "Stopwatch_now";
// Returns the frequency of clock ticks in Hz.
static int _computeFrequency() native "Stopwatch_frequency";