blob: 5c0ac06c5815305cfe0dc451ae4649789b2c838c [file] [log] [blame]
// Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <base/time/time.h>
namespace p2p {
namespace common {
// TODO(deymo): Move this class to libchromeos and merge it with the one in
// update_engine.
// The clock interface allows access to some system time-related functions.
class ClockInterface {
// Suspends the execution of the calling thread for the time
// indicated by |duration|.
virtual void Sleep(const base::TimeDelta& duration) = 0;
// Returns monotonic time since some unspecified starting point. It
// is not increased when the system is sleeping nor is it affected
// by NTP or the user changing the time.
// (This is a simple wrapper around clock_gettime(2) / CLOCK_MONOTONIC_RAW.)
virtual base::Time GetMonotonicTime() = 0;
virtual ~ClockInterface() {}
} // namespace common
} // namespace p2p