MADNESS: madness::MutexReaderWriter Class Reference

MADNESS version 0.9

#include <worldmutex.h>

Inheritance diagram for madness::MutexReaderWriter:

Inheritance graph

Collaboration diagram for madness::MutexReaderWriter:

Collaboration graph

Public Member Functions
	MutexReaderWriter ()

bool	try_read_lock () const

bool	try_write_lock () const

bool	try_lock (int lockmode) const

bool	try_convert_read_lock_to_write_lock () const

void	read_lock () const

void	write_lock () const

void	lock (int lockmode) const

void	read_unlock () const

void	write_unlock () const

void	unlock (int lockmode) const

void	convert_read_lock_to_write_lock () const
	Converts read to write lock without releasing the read lock. More...

void	convert_write_lock_to_read_lock () const
	Always succeeds immediately. More...

virtual	~MutexReaderWriter ()

Static Public Attributes
static const int	NOLOCK =0

static const int	READLOCK =1

static const int	WRITELOCK =2

Constructor & Destructor Documentation

madness::MutexReaderWriter::MutexReaderWriter ( )

inline

virtual madness::MutexReaderWriter::~MutexReaderWriter ( )

inlinevirtual

Member Function Documentation

void madness::MutexReaderWriter::convert_read_lock_to_write_lock ( ) const

inline

Converts read to write lock without releasing the read lock.

Note that deadlock is guaranteed if two+ threads wait to convert at the same time.

References madness::cpu_relax(), and try_convert_read_lock_to_write_lock().

void madness::MutexReaderWriter::convert_write_lock_to_read_lock ( ) const

inline

Always succeeds immediately.

void madness::MutexReaderWriter::lock ( int lockmode ) const

inline

References madness::cpu_relax(), and madness::Spinlock::try_lock().

void madness::MutexReaderWriter::read_lock ( ) const

inline

References madness::cpu_relax(), and try_read_lock().

void madness::MutexReaderWriter::read_unlock ( ) const

inline

Referenced by unlock().

bool madness::MutexReaderWriter::try_convert_read_lock_to_write_lock ( ) const

inline

Referenced by convert_read_lock_to_write_lock().

bool madness::MutexReaderWriter::try_lock ( int lockmode ) const

inline

References MADNESS_EXCEPTION, try_read_lock(), and try_write_lock().

Referenced by madness::Hash_private::bin< keyT, valueT >::find(), and madness::Hash_private::bin< keyT, valueT >::insert().

bool madness::MutexReaderWriter::try_read_lock ( ) const

inline

Referenced by read_lock(), and try_lock().

bool madness::MutexReaderWriter::try_write_lock ( ) const

inline

Referenced by try_lock(), and write_lock().

void madness::MutexReaderWriter::unlock ( int lockmode ) const

inline

References MADNESS_EXCEPTION, read_unlock(), and write_unlock().

void madness::MutexReaderWriter::write_lock ( ) const

inline

References madness::cpu_relax(), and try_write_lock().

void madness::MutexReaderWriter::write_unlock ( ) const

inline

Referenced by unlock().

Member Data Documentation

const int madness::MutexReaderWriter::NOLOCK =0

static

Referenced by madness::ConcurrentHashMap< uniqueidT, void *, uniqueidT >::erase(), madness::ConcurrentHashMap< uniqueidT, void *, uniqueidT >::find(), and madness::ConcurrentHashMap< uniqueidT, void *, uniqueidT >::insert().

const int madness::MutexReaderWriter::READLOCK =1

static

Referenced by madness::ConcurrentHashMap< uniqueidT, void *, uniqueidT >::find(), and madness::ConcurrentHashMap< uniqueidT, void *, uniqueidT >::insert().

const int madness::MutexReaderWriter::WRITELOCK =2

static

Referenced by madness::ConcurrentHashMap< uniqueidT, void *, uniqueidT >::erase(), madness::ConcurrentHashMap< uniqueidT, void *, uniqueidT >::find(), and madness::ConcurrentHashMap< uniqueidT, void *, uniqueidT >::insert().

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

worldmutex.h