PFS_cacheline_atomic_ptr< T > Struct Template Reference

An atomic<T> variable, guaranteed to be alone in a CPU cache line. More...

#include <pfs_global.h>

Public Member Functions
	PFS_cacheline_atomic_ptr ()

Public Attributes
std::atomic< T >	m_ptr
char	m_full_cache_line [PFS_CACHE_LINE_SIZE - sizeof(std::atomic< T >)]

Detailed Description

template<class T>
struct PFS_cacheline_atomic_ptr< T >

An atomic<T> variable, guaranteed to be alone in a CPU cache line.

This is for performance, for variables accessed very frequently.

Constructor & Destructor Documentation

PFS_cacheline_atomic_ptr()

template<class T >

PFS_cacheline_atomic_ptr< T >::PFS_cacheline_atomic_ptr ( )

inline

Member Data Documentation

m_full_cache_line

template<class T >

char PFS_cacheline_atomic_ptr< T >::m_full_cache_line[PFS_CACHE_LINE_SIZE - sizeof(std::atomic< T >)]

m_ptr

template<class T >

std::atomic<T> PFS_cacheline_atomic_ptr< T >::m_ptr

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The documentation for this struct was generated from the following file:

• storage/perfschema/pfs_global.h