1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38

ash / public / cpp / shutdown_controller.cc [blame]

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "ash/public/cpp/shutdown_controller.h"

#include "base/check_op.h"

namespace ash {

namespace {

ShutdownController* g_instance = nullptr;

}  // namespace

template <>
ShutdownController*&
ShutdownController::ScopedResetterForTest::GetGlobalInstanceHolder() {
  return g_instance;
}

// static
ShutdownController* ShutdownController::Get() {
  return g_instance;
}

ShutdownController::ShutdownController() {
  DCHECK(!g_instance);
  g_instance = this;
}

ShutdownController::~ShutdownController() {
  DCHECK_EQ(this, g_instance);
  g_instance = nullptr;
}

}  // namespace ash