libraries/source/spidermonkey/include-win32-release/mozilla/Uptime.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozilla_Uptime_h
   8 #define mozilla_Uptime_h
   9
  10 #include <stdint.h>
  11
  12 #include "mozilla/Maybe.h"
  13
  14 namespace mozilla {
  15
  16 // Called at the beginning of the process from TimeStamp::Startup.
  17 MFBT_API void InitializeUptime();
  18 // Returns the number of milliseconds the calling process has lived for.
  19 MFBT_API Maybe<uint64_t> ProcessUptimeMs();
  20 // Returns the number of milliseconds the calling process has lived for,
  21 // excluding the time period the system was suspended.
  22 MFBT_API Maybe<uint64_t> ProcessUptimeExcludingSuspendMs();
  23
  24 };  // namespace mozilla
  25
  26 #endif  // mozilla_Uptime_h