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#ifndef SRC_NODE_MEM_H_
#define SRC_NODE_MEM_H_
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#include <cstddef>
namespace node {
namespace mem {
// Both ngtcp2 and nghttp2 allow custom allocators that
// follow exactly the same structure and behavior, but
// use different struct names. To allow for code re-use,
// the NgLibMemoryManager template class can be used for both.
struct NgLibMemoryManagerBase {
virtual void StopTrackingMemory(void* ptr) = 0;
};
template <typename Class, typename AllocatorStructName>
class NgLibMemoryManager : public NgLibMemoryManagerBase {
public:
// Class needs to provide these methods:
// void CheckAllocatedSize(size_t previous_size) const;
// void IncreaseAllocatedSize(size_t size);
// void DecreaseAllocatedSize(size_t size);
// Environment* env() const;
AllocatorStructName MakeAllocator();
void StopTrackingMemory(void* ptr) override;
private:
static void* ReallocImpl(void* ptr, size_t size, void* user_data);
static void* MallocImpl(size_t size, void* user_data);
static void FreeImpl(void* ptr, void* user_data);
static void* CallocImpl(size_t nmemb, size_t size, void* user_data);
};
} // namespace mem
} // namespace node
#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#endif // SRC_NODE_MEM_H_
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