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-rw-r--r--src/common/memory/shared_ptr.hpp44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/common/memory/shared_ptr.hpp b/src/common/memory/shared_ptr.hpp
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+++ b/src/common/memory/shared_ptr.hpp
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+#pragma once
+
+#include <stddef.h>
+
+namespace common
+{
+template <class Target>
+class SharedPtr
+{
+public:
+ SharedPtr() noexcept;
+ SharedPtr(nullptr_t) noexcept; // NOLINT(google-explicit-constructor)
+
+ explicit SharedPtr(Target *target) noexcept;
+
+ SharedPtr(const SharedPtr &shared_ptr) noexcept;
+
+ SharedPtr(SharedPtr &&shared_ptr) noexcept;
+
+ ~SharedPtr() noexcept;
+
+ [[nodiscard]] unsigned int reference_cnt() const noexcept;
+
+ [[nodiscard]] bool is_disposable() const noexcept;
+
+ SharedPtr &operator=(const SharedPtr &rhs) noexcept;
+
+ SharedPtr &operator=(SharedPtr &&rhs) noexcept;
+
+ Target &operator*() const noexcept;
+ Target *operator->() const noexcept;
+
+private:
+ Target *_target = nullptr;
+
+ unsigned int *_reference_cnt;
+};
+
+template <typename Target, typename... Args>
+SharedPtr<Target> make_shared(Args &&...args) noexcept;
+
+} // namespace common
+
+#include "shared_ptr.tpp"