runtime/lib/clock.cc - Issue 10831327: Update stopwatch to use patching to share sources instead of exposing

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Issue 10831327: Update stopwatch to use patching to share sources instead of exposing (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart

Patch Set: Created 8 years, 4 months ago

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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file

2 // for details. All rights reserved. Use of this source code is governed by a

3 // BSD-style license that can be found in the LICENSE file.

4

5 #include "vm/bootstrap_natives.h"

6

7 #include "vm/object.h"

8 #include "vm/os.h"

9

10 namespace dart {

11

12 DEFINE_NATIVE_ENTRY(Clock_now, 0) {

13 // TODO(iposva): investigate other hi-res time sources such as cycle count.

14 const Integer& micros =

15 Integer::Handle(Integer::New(OS::GetCurrentTimeMicros()));

16 arguments->SetReturn(micros);

17 }

18

19

20 DEFINE_NATIVE_ENTRY(Clock_frequency, 0) {

21 // TODO(iposva): investigate other hi-res time sources such as cycle count.

22 const Integer& frequency = Integer::Handle(Integer::New(1000000));

23 arguments->SetReturn(frequency);

24 }

25

26 } // namespace dart

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