23 lines
570 B
C++
23 lines
570 B
C++
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#include "StarRootBase.hpp"
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namespace Star {
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atomic<RootBase*> RootBase::s_singleton;
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RootBase* RootBase::singletonPtr() {
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return s_singleton.load();
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}
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RootBase& RootBase::singleton() {
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auto ptr = s_singleton.load();
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if (!ptr)
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throw RootException("RootBase::singleton() called with no Root instance available");
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else
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return *ptr;
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}
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RootBase::RootBase() {
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RootBase* oldRoot = nullptr;
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if (!s_singleton.compare_exchange_strong(oldRoot, this))
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throw RootException("Singleton Root has been constructed twice");
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}
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}
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