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ensure singleton::get thread safe construct instance (#658)

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* ensure singleton::get thread safe construct instance

* fix singleton return reference

Co-authored-by: xuweiqi <xuweiqi117@gmail.com>
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seventh 2022-11-09 10:44:32 +08:00 committed by GitHub
parent 012c62c748
commit 168ea8b0e1
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1 changed files with 2 additions and 8 deletions
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10
tools/library/src/singleton.cu
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@ -42,10 +42,6 @@ namespace library {
///////////////////////////////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////////////////////////////
static std::unique_ptr<Singleton> instance;
/////////////////////////////////////////////////////////////////////////////////////////////////
Singleton::Singleton() { Singleton::Singleton() {
manifest.initialize(); manifest.initialize();
@ -54,10 +50,8 @@ Singleton::Singleton() {
} }
Singleton const & Singleton::get() { Singleton const & Singleton::get() {
if (!instance.get()) { static Singleton instance;
instance.reset(new Singleton); return instance;
}
return *instance.get();
} }
///////////////////////////////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////////////////////////////