My_xp_cond Class Reference

Abstract class used to wrap condition for various implementations. More...

#include <my_xp_cond.h>

Inheritance diagram for My_xp_cond:

Public Member Functions
virtual int	init (PSI_cond_key key)=0
	Initialize cond. More...
virtual int	destroy ()=0
	Destroy cond. More...
virtual int	timed_wait (mysql_mutex_t *mutex, const struct timespec *abstime)=0
	Wait for cond to be signaled during some time before unlocking mutex. More...
virtual int	wait (mysql_mutex_t *mutex)=0
	Wait for cond to be signaled to unlock mutex. More...
virtual int	signal ()=0
	Signal cond. More...
virtual int	broadcast ()=0
	Broadcast cond. More...
virtual mysql_cond_t *	get_native_cond ()=0
	Get reference to native cond. More...
virtual	~My_xp_cond ()=default

Detailed Description

Abstract class used to wrap condition for various implementations.

A typical use case of cond is:

My_xp_cond *cond= new My_xp_cond_impl();
cond->init(cond_PSI_key);
 
cond->signal();

Constructor & Destructor Documentation

~My_xp_cond()

virtual My_xp_cond::~My_xp_cond ( )

virtualdefault

Member Function Documentation

broadcast()

virtual int My_xp_cond::broadcast ( )

pure virtual

Broadcast cond.

Returns

success status

Implemented in My_xp_cond_server.

destroy()

virtual int My_xp_cond::destroy ( )

pure virtual

Destroy cond.

Returns

success status

Implemented in My_xp_cond_server.

get_native_cond()

virtual mysql_cond_t * My_xp_cond::get_native_cond ( )

pure virtual

Get reference to native cond.

Returns

native cond

Implemented in My_xp_cond_server.

init()

virtual int My_xp_cond::init ( PSI_cond_key  key )

pure virtual

Initialize cond.

Parameters

key	cond instrumentation key

Returns

success status

Implemented in My_xp_cond_server.

signal()

virtual int My_xp_cond::signal ( )

pure virtual

Signal cond.

Returns

success status

Implemented in My_xp_cond_server.

timed_wait()

virtual int My_xp_cond::timed_wait ( mysql_mutex_t *  mutex, const struct timespec *  abstime  )

pure virtual

Wait for cond to be signaled during some time before unlocking mutex.

Parameters

mutex	mutex to unlock
abstime	time to wait

Returns

success status

Implemented in My_xp_cond_server.

wait()

virtual int My_xp_cond::wait ( mysql_mutex_t *  mutex )

pure virtual

Wait for cond to be signaled to unlock mutex.

Parameters

mutex

mutex to unlock

Returns

success status

Implemented in My_xp_cond_server.

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

• plugin/group_replication/libmysqlgcs/include/mysql/gcs/xplatform/my_xp_cond.h