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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#define PLACES_FACTORY_SINGLETON_IMPLEMENTATION(_className, _sInstance) \
_className* _className::_sInstance = nullptr; \
\
already_AddRefed<_className> _className::GetSingleton() { \
if (_sInstance) { \
RefPtr<_className> ret = _sInstance; \
return ret.forget(); \
} \
_sInstance = new _className(); \
RefPtr<_className> ret = _sInstance; \
if (NS_FAILED(_sInstance->Init())) { \
/* Null out ret before _sInstance so the destructor doesn't assert */ \
ret = nullptr; \
_sInstance = nullptr; \
return nullptr; \
} \
return ret.forget(); \
}