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#pragma once
#include <util/system/yassert.h>
class TExtraRef {
TAtomic Holds;
public:
TExtraRef()
: Holds(false)
{
}
~TExtraRef() {
Y_VERIFY(!Holds);
}
template <typename TThis>
void Retain(TThis* thiz) {
if (AtomicGet(Holds)) {
return;
}
if (AtomicCas(&Holds, 1, 0)) {
thiz->Ref();
}
}
template <typename TThis>
void Release(TThis* thiz) {
if (!AtomicGet(Holds)) {
return;
}
if (AtomicCas(&Holds, 0, 1)) {
thiz->UnRef();
}
}
};
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