/*
 *  Copyright 2021 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.
 */

#ifndef RTC_BASE_SYSTEM_TIME_H_
#define RTC_BASE_SYSTEM_TIME_H_

#include <cstdint>

namespace webrtc {

// Returns the actual system time, even if a clock is set for testing.
// Useful for timeouts while using a test clock, or for logging.
int64_t SystemTimeNanos();

}  // namespace webrtc

// TODO(bugs.webrtc.org/4222596): Remove once Chrome has migrated.
#define RTC_SYSTEM_TIME_IN_WEBRTC_NAMESPACE 1

// Re-export symbols from the webrtc namespace for backwards compatibility.
// TODO(bugs.webrtc.org/4222596): Remove once all references are updated.
#ifdef WEBRTC_ALLOW_DEPRECATED_NAMESPACES
namespace rtc {
using ::webrtc::SystemTimeNanos;
}
#endif  // WEBRTC_ALLOW_DEPRECATED_NAMESPACES

#endif  // RTC_BASE_SYSTEM_TIME_H_