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Remove move ctor/assignment from TriStatePtr::SharedRef #144

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Merged
copybara-service merged 1 commit into from
Jan 9, 2025
Merged

Remove move ctor/assignment from TriStatePtr::SharedRef #144

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17 changes: 2 additions & 15 deletions cpp/tri_state_ptr.h
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Original file line number Diff line number Diff line change
Expand Up @@ -84,7 +84,6 @@ class TriStatePtr {
&state_));
}

// explicit TriStatePtr(std::unique_ptr<BaseT> ptr) : ptr_(std::move(ptr)) {}
explicit TriStatePtr(std::unique_ptr<BaseT> ptr) : ptr_(std::move(ptr)) {}

class SharedRef {
Expand All @@ -95,24 +94,12 @@ class TriStatePtr {
parent_->ref_count_++;
}
SharedRef& operator=(const SharedRef& other) {
this->parent_ = other.parent_;
this->parent_->ref_count_++;
return *this;
}

SharedRef(SharedRef&& other) : parent_(other.parent_) {
other.parent_ = nullptr;
}
SharedRef& operator=(SharedRef&& other) {
this->parent_ = other.parent_;
other.parent_ = nullptr;
parent_ = other.parent_;
parent_->ref_count_++;
return *this;
}

~SharedRef() {
if (parent_ == nullptr) {
return;
}
int32_t ref_count =
parent_->ref_count_.fetch_sub(1, std::memory_order_acq_rel) - 1;
if (ref_count == 0) {
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