so_5::rw_spinlock_t< Backoff > Class Template Reference

A simple multi-readers/single-writer spinlock (analog of std::shared_mutex). More...

#include <spinlocks.hpp>

Public Member Functions
	rw_spinlock_t ()
	rw_spinlock_t (const rw_spinlock_t &)=delete
rw_spinlock_t &	operator= (const rw_spinlock_t &)=delete
void	lock_shared ()
	Lock object in shared mode. More...
void	unlock_shared ()
	Unlock object locked in shared mode. More...
void	lock ()
	Lock object in exclusive mode. More...
void	unlock ()
	Unlock object locked in exclusive mode. More...

Private Attributes
std::atomic_uint_fast32_t	m_counters

Static Private Attributes
static constexpr const std::uint_fast32_t	unlocked = 0
static constexpr const std::uint_fast32_t	write_lock = 1
static constexpr const std::uint_fast32_t	read_lock = 2

Detailed Description

template<class Backoff>
class so_5::rw_spinlock_t< Backoff >

A simple multi-readers/single-writer spinlock (analog of std::shared_mutex).

Since

v.5.4.0

This implementation is based on Dmitry Vyukov implementation from LLVM code base: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/tsan/rtl/tsan_mutex.cc?revision=210345&view=markup

Constructor & Destructor Documentation

rw_spinlock_t() [1/2]

template<class Backoff>

so_5::rw_spinlock_t< Backoff >::rw_spinlock_t ( )

inline

rw_spinlock_t() [2/2]

template<class Backoff>

so_5::rw_spinlock_t< Backoff >::rw_spinlock_t ( const rw_spinlock_t< Backoff > &  )

delete

Member Function Documentation

lock()

template<class Backoff>

void so_5::rw_spinlock_t< Backoff >::lock ( )

inline

Lock object in exclusive mode.

lock_shared()

template<class Backoff>

void so_5::rw_spinlock_t< Backoff >::lock_shared ( )

inline

Lock object in shared mode.

operator=()

template<class Backoff>

rw_spinlock_t& so_5::rw_spinlock_t< Backoff >::operator= ( const rw_spinlock_t< Backoff > &  )

delete

unlock()

template<class Backoff>

void so_5::rw_spinlock_t< Backoff >::unlock ( )

inline

Unlock object locked in exclusive mode.

unlock_shared()

template<class Backoff>

void so_5::rw_spinlock_t< Backoff >::unlock_shared ( )

inline

Unlock object locked in shared mode.

Member Data Documentation

m_counters

template<class Backoff>

std::atomic_uint_fast32_t so_5::rw_spinlock_t< Backoff >::m_counters

private

read_lock

template<class Backoff>

constexpr const std::uint_fast32_t so_5::rw_spinlock_t< Backoff >::read_lock = 2

staticprivate

unlocked

template<class Backoff>

constexpr const std::uint_fast32_t so_5::rw_spinlock_t< Backoff >::unlocked = 0

staticprivate

write_lock

template<class Backoff>

constexpr const std::uint_fast32_t so_5::rw_spinlock_t< Backoff >::write_lock = 1

staticprivate

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

• spinlocks.hpp