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c3d6d50309
PR-URL: https://github.com/nodejs/node/pull/37067 Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com> Reviewed-By: Tobias Nießen <tniessen@tnie.de> Reviewed-By: Michael Dawson <midawson@redhat.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
#ifndef SRC_NODE_MEM_H_
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#define SRC_NODE_MEM_H_
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#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
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#include <cstddef>
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namespace node {
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namespace mem {
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// nghttp2 allows custom allocators that
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// follow exactly the same structure and behavior, but
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// use different struct names. To allow for code re-use,
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// the NgLibMemoryManager template class can be used for both.
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struct NgLibMemoryManagerBase {
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virtual void StopTrackingMemory(void* ptr) = 0;
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};
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template <typename Class, typename AllocatorStructName>
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class NgLibMemoryManager : public NgLibMemoryManagerBase {
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public:
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// Class needs to provide these methods:
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// void CheckAllocatedSize(size_t previous_size) const;
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// void IncreaseAllocatedSize(size_t size);
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// void DecreaseAllocatedSize(size_t size);
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// Environment* env() const;
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AllocatorStructName MakeAllocator();
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void StopTrackingMemory(void* ptr) override;
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private:
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static void* ReallocImpl(void* ptr, size_t size, void* user_data);
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static void* MallocImpl(size_t size, void* user_data);
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static void FreeImpl(void* ptr, void* user_data);
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static void* CallocImpl(size_t nmemb, size_t size, void* user_data);
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};
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} // namespace mem
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} // namespace node
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#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
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#endif // SRC_NODE_MEM_H_
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