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64 lines
1.6 KiB
C++
64 lines
1.6 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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#ifndef SRSRAN_POOL_INTERFACE_H
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#define SRSRAN_POOL_INTERFACE_H
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#include "srsran/adt/move_callback.h"
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namespace srsran {
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/// Common object pool interface
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template <typename T>
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class obj_pool_itf
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{
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public:
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struct pool_deallocator {
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obj_pool_itf<T>* pool;
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explicit pool_deallocator(obj_pool_itf<T>* pool_ = nullptr) : pool(pool_) {}
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void operator()(void* ptr)
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{
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if (ptr != nullptr and pool != nullptr) {
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pool->do_deallocate(ptr);
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}
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}
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};
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using object_type = T;
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obj_pool_itf() = default;
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// Object pool address should not change
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obj_pool_itf(const obj_pool_itf&) = delete;
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obj_pool_itf(obj_pool_itf&&) = delete;
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obj_pool_itf& operator=(const obj_pool_itf&) = delete;
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obj_pool_itf& operator=(obj_pool_itf&&) = delete;
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virtual ~obj_pool_itf() = default;
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std::unique_ptr<T, pool_deallocator> make()
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{
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return std::unique_ptr<T, pool_deallocator>(do_allocate(), pool_deallocator(this));
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}
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private:
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// defined in child class
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virtual T* do_allocate() = 0;
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virtual void do_deallocate(void* ptr) = 0;
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};
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/// unique ptr with type-erased dtor, so that it can be used by any object pool
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template <typename T>
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using unique_pool_ptr = std::unique_ptr<T, typename obj_pool_itf<T>::pool_deallocator>;
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} // namespace srsran
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#endif // SRSRAN_POOL_INTERFACE_H
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