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.
void	unlock_shared ()
	Unlock object locked in shared mode.
void	lock ()
	Lock object in exclusive mode.
void	unlock ()
	Unlock object locked in exclusive mode.

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

Definition at line 151 of file spinlocks.hpp.

Constructor & Destructor Documentation

rw_spinlock_t() [1/2]

template<class Backoff >

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

inline

Definition at line 161 of file spinlocks.hpp.

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.

Definition at line 195 of file spinlocks.hpp.

lock_shared()

template<class Backoff >

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

inline

Lock object in shared mode.

Definition at line 171 of file spinlocks.hpp.

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.

Definition at line 227 of file spinlocks.hpp.

unlock_shared()

template<class Backoff >

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

inline

Unlock object locked in shared mode.

Definition at line 188 of file spinlocks.hpp.

Member Data Documentation

m_counters

template<class Backoff >

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

private

Definition at line 154 of file spinlocks.hpp.

read_lock

template<class Backoff >

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

staticconstexprprivate

Definition at line 158 of file spinlocks.hpp.

unlocked

template<class Backoff >

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

staticconstexprprivate

Definition at line 156 of file spinlocks.hpp.

write_lock

template<class Backoff >

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

staticconstexprprivate

Definition at line 157 of file spinlocks.hpp.

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

• spinlocks.hpp