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@ -5,132 +5,134 @@ |
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#include "gp/buffer.hpp"
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#include "gp/function.hpp"
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namespace gp { |
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template<typename T> |
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class unique_ptr { |
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T* data; |
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gp::allocator& owner; |
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template<typename T> |
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class unique_ptr { |
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T* data; |
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gp::allocator& owner; |
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unique_ptr(T* _data, gp::allocator& _owner) |
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: data(data) |
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, owner(_owner) |
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{} |
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void dirty_clear() { |
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if(data) { |
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data->~T(); |
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owner.deallocate(data); |
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} |
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} |
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public: |
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template<typename ...U> |
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unique_ptr make(gp::allocator& owner, U&&... args) { |
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auto ptr = owner.allocate(sizeof(T)); |
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return unique_ptr(new(ptr) T(gp::forward<U>(args)...), owner); |
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} |
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T& operator->() { |
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return *data; |
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} |
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T& operator*() { |
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return *data; |
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} |
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unique_ptr(unique_ptr&) = delete; |
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unique_ptr(unique_ptr&& oth) |
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: data(oth.data) |
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, owner(oth.owner) |
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{ |
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oth.data = nullptr; |
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} |
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unique_ptr& operator=(unique_ptr&) = delete; |
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unique_ptr& operator=(unique_ptr&& oth) { |
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dirty_clear(); |
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data = oth.data; |
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owner = oth.owner; |
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} |
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~unique_ptr() { |
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dirty_clear(); |
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} |
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}; |
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template<typename T> |
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class shared_ptr { |
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T* data; |
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std::atomic_int* refcounter; |
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gp::allocator& owner; |
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shared_ptr(T* _data, gp::allocator& _owner) |
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: data(data) |
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, owner(_owner) |
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{} |
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void dirty_clear() { |
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if(!refcounter) return; |
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if(refcounter->fetch_sub(1, std::memory_order::acq_rel) == 0) { |
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unique_ptr(T* _data, gp::allocator& _owner) |
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: data(data) |
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, owner(_owner) |
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{} |
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void dirty_clear() { |
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if(data) { |
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data->~T(); |
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owner.deallocate(refcounter); |
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owner.deallocate(data); |
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} |
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} |
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} |
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public: |
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template<typename ...U> |
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shared_ptr make(gp::allocator& owner, U&&... args) { |
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auto ptr = owner.allocate(sizeof(T)); |
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auto shared_atomic = owner.allocate(sizeof(std::atomic_int)); |
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refcounter = new(shared_atomic) std::atomic_int(); |
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refcounter->store(1); |
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return shared_ptr(new(ptr) T(gp::forward<U>(args)...), owner); |
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} |
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T& operator->() { |
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return *data; |
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} |
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T& operator*() { |
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return *data; |
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} |
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shared_ptr(shared_ptr& oth) { |
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oth.refcounter->fetch_add(1, std::memory_order::acquire); |
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data = oth.data; |
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refcounter = oth.refcounter; |
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owner = oth.owner; |
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} |
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shared_ptr(shared_ptr&& oth) |
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: data(oth.data) |
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, owner(oth.owner) |
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{ |
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oth.data = nullptr; |
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oth.refcounter = nullptr; |
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} |
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shared_ptr& operator=(shared_ptr& oth) { |
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dirty_clear(); |
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(*oth.refcounter)++; |
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data = oth.data; |
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refcounter = oth.refcounter; |
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owner = oth.owner; |
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} |
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shared_ptr& operator=(shared_ptr&& oth) { |
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dirty_clear(); |
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data = oth.data; |
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owner = oth.owner; |
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} |
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~shared_ptr() { |
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dirty_clear(); |
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} |
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}; |
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public: |
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template<typename ...U> |
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unique_ptr make(gp::allocator& owner, U&&... args) { |
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auto ptr = owner.allocate(sizeof(T)); |
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return unique_ptr(new(ptr) T(gp::forward<U>(args)...), owner); |
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} |
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T& operator->() { |
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return *data; |
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} |
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T& operator*() { |
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return *data; |
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} |
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unique_ptr(unique_ptr&) = delete; |
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unique_ptr(unique_ptr&& oth) |
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: data(oth.data) |
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, owner(oth.owner) |
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{ |
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oth.data = nullptr; |
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} |
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unique_ptr& operator=(unique_ptr&) = delete; |
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unique_ptr& operator=(unique_ptr&& oth) { |
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dirty_clear(); |
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data = oth.data; |
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owner = oth.owner; |
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} |
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~unique_ptr() { |
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dirty_clear(); |
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} |
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}; |
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template<typename T> |
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class shared_ptr { |
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T* data; |
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std::atomic_int* refcounter; |
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gp::allocator& owner; |
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|
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shared_ptr(T* _data, gp::allocator& _owner) |
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: data(data) |
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, owner(_owner) |
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{} |
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void dirty_clear() { |
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if(!refcounter) return; |
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if(refcounter->fetch_sub(1, std::memory_order::acq_rel) == 0) { |
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if(data) { |
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data->~T(); |
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owner.deallocate(refcounter); |
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owner.deallocate(data); |
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} |
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} |
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} |
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public: |
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template<typename ...U> |
|
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shared_ptr make(gp::allocator& owner, U&&... args) { |
|
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auto ptr = owner.allocate(sizeof(T)); |
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auto shared_atomic = owner.allocate(sizeof(std::atomic_int)); |
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refcounter = new(shared_atomic) std::atomic_int(); |
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refcounter->store(1); |
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return shared_ptr(new(ptr) T(gp::forward<U>(args)...), owner); |
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} |
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T& operator->() { |
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return *data; |
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} |
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T& operator*() { |
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return *data; |
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} |
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shared_ptr(shared_ptr& oth) { |
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oth.refcounter->fetch_add(1, std::memory_order::acquire); |
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data = oth.data; |
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refcounter = oth.refcounter; |
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owner = oth.owner; |
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} |
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shared_ptr(shared_ptr&& oth) |
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: data(oth.data) |
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, owner(oth.owner) |
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{ |
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oth.data = nullptr; |
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oth.refcounter = nullptr; |
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} |
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shared_ptr& operator=(shared_ptr& oth) { |
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dirty_clear(); |
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(*oth.refcounter)++; |
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data = oth.data; |
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refcounter = oth.refcounter; |
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owner = oth.owner; |
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} |
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shared_ptr& operator=(shared_ptr&& oth) { |
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dirty_clear(); |
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data = oth.data; |
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owner = oth.owner; |
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} |
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~shared_ptr() { |
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dirty_clear(); |
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} |
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}; |
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} |