blob: a73c57d986c02b041e2f2b8413fb45b9461e7425 [file] [log] [blame]
* Copyright 2008 The WebRTC Project Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
namespace rtc {
// TODO(deadbeef): Remove this and use ClockInterface instead.
class Timing {
virtual ~Timing();
// WallTimeNow() returns the current wall-clock time in seconds,
// within 10 milliseconds resolution.
// WallTimeNow is static and does not require a timer_handle_ on Windows.
static double WallTimeNow();
// TimerNow() is like WallTimeNow(), but is monotonically
// increasing. It returns seconds in resolution of 10 microseconds
// or better. Although timer and wall-clock time have the same
// timing unit, they do not necessarily correlate because wall-clock
// time may be adjusted backwards, hence not monotonic.
// Made virtual so we can make a fake one.
// TODO(tommi): The only place we use this (virtual) is in
// See if it doesn't make more sense to change
// that contract or test than to modify this generic class.
virtual double TimerNow();
} // namespace rtc