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// Copyright 2019 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 "libhwsec/hwsec_export.h"
#include "libhwsec/overalls/overalls.h"
namespace hwsec {
namespace overalls {
// This class manages the singleton of |Overalls| instance; it is also
// responsible for creating a normal |Overalls| (i.e. an |Overalls| instance
// that directly calls |trousers| APIs) as the default singleton instance.
class HWSEC_EXPORT OverallsSingleton {
// Returns the singleton of the |Overalls|. See the private field doc for more
// information.
static Overalls* GetInstance();
// A helper function to set the instance so we can replace the singleton when
// necessary. Returns the |Overalls| instance stored in this class so the
// state restoration is possible.
static Overalls* SetInstance(Overalls* ins);
// A singleton instance of |Overalls|. By default, it is a normal class (i.e.,
// calling |trousers|).
static Overalls* overalls_;
} // namespace overalls
} // namespace hwsec