ROOT::Internal::RPageAllocatorHeap Class Reference

Uses standard C++ memory allocation for the column data pages.

Definition at line 60 of file RPageAllocator.hxx.

Public Member Functions
RPage	NewPage (std::size_t elementSize, std::size_t nElements) final
	Reserves memory large enough to hold nElements of the given size.
Public Member Functions inherited from ROOT::Internal::RPageAllocator
virtual	~RPageAllocator ()=default

Protected Member Functions
void	DeletePage (RPage &page) final
	Releases the memory pointed to by page and resets the page's information.

#include <ROOT/RPageAllocator.hxx>

Inheritance diagram for ROOT::Internal::RPageAllocatorHeap:

Member Function Documentation

DeletePage()

void ROOT::Internal::RPageAllocatorHeap::DeletePage ( RPage & page )

finalprotectedvirtual

Releases the memory pointed to by page and resets the page's information.

Note that the memory of the zero page must not be deleted. Called by the RPage destructor.

Implements ROOT::Internal::RPageAllocator.

Definition at line 29 of file RPageAllocator.cxx.

NewPage()

ROOT::Internal::RPage ROOT::Internal::RPageAllocatorHeap::NewPage ( std::size_t elementSize, std::size_t nElements )

finalvirtual

Reserves memory large enough to hold nElements of the given size.

The page is immediately tagged with a column id. Returns a default constructed page on out-of-memory condition.

Implements ROOT::Internal::RPageAllocator.

Definition at line 21 of file RPageAllocator.cxx.

Libraries for ROOT::Internal::RPageAllocatorHeap:

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The documentation for this class was generated from the following files:

• tree/ntuple/inc/ROOT/RPageAllocator.hxx
• tree/ntuple/src/RPageAllocator.cxx