Shared_writelock Class Reference

#include <plugin_utils.h>

Public Member Functions
	Shared_writelock (Checkable_rwlock *arg)
virtual	~Shared_writelock ()
int	try_grab_write_lock ()
void	grab_write_lock ()
void	release_write_lock ()
int	try_grab_read_lock ()
	Grab a read lock only if there is no write lock acquired. More...
void	grab_read_lock ()
void	release_read_lock ()

Private Attributes
Checkable_rwlock *	shared_write_lock
mysql_mutex_t	write_lock
mysql_cond_t	write_lock_protection
bool	write_lock_in_use

Constructor & Destructor Documentation

Shared_writelock()

Shared_writelock::Shared_writelock ( Checkable_rwlock *  arg )

inline

~Shared_writelock()

virtual Shared_writelock::~Shared_writelock ( )

inlinevirtual

Member Function Documentation

grab_read_lock()

void Shared_writelock::grab_read_lock ( )

inline

grab_write_lock()

void Shared_writelock::grab_write_lock ( )

inline

release_read_lock()

void Shared_writelock::release_read_lock ( )

inline

release_write_lock()

void Shared_writelock::release_write_lock ( )

inline

try_grab_read_lock()

int Shared_writelock::try_grab_read_lock ( )

inline

Grab a read lock only if there is no write lock acquired.

Return values

0	read lock acquired
!=0	there is a write lock acquired

try_grab_write_lock()

int Shared_writelock::try_grab_write_lock ( )

inline

Member Data Documentation

shared_write_lock

Checkable_rwlock* Shared_writelock::shared_write_lock

private

write_lock

mysql_mutex_t Shared_writelock::write_lock

private

write_lock_in_use

bool Shared_writelock::write_lock_in_use

private

write_lock_protection

mysql_cond_t Shared_writelock::write_lock_protection

private

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

• plugin/group_replication/include/plugin_utils.h