| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef MOJO_EDK_PLATFORM_TIME_TICKS_H_ |
| #define MOJO_EDK_PLATFORM_TIME_TICKS_H_ |
| |
| #include "mojo/public/c/system/time.h" |
| |
| namespace mojo { |
| namespace platform { |
| |
| // Gets the number of microseconds elapsed since an undefined epoch. (This is |
| // from a monotonic clock of undefined resolution.) |
| // |
| // Implementations of this function should be thread-safe. The returned value |
| // should be non-negative, and nondecreasing with respect to time/causality |
| // including across threads (as observable). |
| // |
| // TODO(vtl): Add different types of clocks. (What does "monotonic" mean exactly |
| // -- does it continue to "run" in various "sleep" states?) |
| MojoTimeTicks GetTimeTicks(); |
| |
| } // namespace platform |
| } // namespace mojo |
| |
| #endif // MOJO_EDK_PLATFORM_TIME_TICKS_H_ |
