eee822b6b3
Backed out changeset b13265489a7a (bug 1928020) Backed out changeset bbf8b7208dc4 (bug 1928020) Backed out changeset 4473a69a450c (bug 1928020) Backed out changeset 0ce2a98a7a53 (bug 1928020)
24 lines
1.6 KiB
C
24 lines
1.6 KiB
C
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#define PLACES_FACTORY_SINGLETON_IMPLEMENTATION(_className, _sInstance) \
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_className* _className::_sInstance = nullptr; \
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\
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already_AddRefed<_className> _className::GetSingleton() { \
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if (_sInstance) { \
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RefPtr<_className> ret = _sInstance; \
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return ret.forget(); \
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} \
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_sInstance = new _className(); \
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RefPtr<_className> ret = _sInstance; \
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if (NS_FAILED(_sInstance->Init())) { \
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/* Null out ret before _sInstance so the destructor doesn't assert */ \
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ret = nullptr; \
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_sInstance = nullptr; \
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return nullptr; \
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} \
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return ret.forget(); \
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}
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