| // Copyright 2021 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 "crash-reporter/crossystem.h" |
| |
| #include <base/no_destructor.h> |
| #include <brillo/crossystem/crossystem.h> |
| |
| namespace { |
| |
| brillo::Crossystem* GetDefaultInstance() { |
| static base::NoDestructor<brillo::CrossystemImpl> instance; |
| return instance.get(); |
| } |
| |
| brillo::Crossystem* shared_instance = nullptr; |
| |
| } // namespace |
| |
| namespace crossystem { |
| |
| brillo::Crossystem* GetInstance() { |
| if (shared_instance == nullptr) |
| shared_instance = GetDefaultInstance(); |
| return shared_instance; |
| } |
| |
| brillo::Crossystem* ReplaceInstanceForTest(brillo::Crossystem* instance) { |
| auto original_instance = |
| shared_instance == nullptr ? GetDefaultInstance() : shared_instance; |
| shared_instance = instance; |
| return original_instance; |
| } |
| |
| } // namespace crossystem |