A RAII helper which tries to exclusively latch the global_lach in constructor and unlatches it, if needed, during destruction, preventing any other threads from activity within lock_sys for it's entire scope, if owns_lock(). More...

#include <lock0guards.h>

Inheritance diagram for locksys::Global_exclusive_try_latch:

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Public Member Functions
	Global_exclusive_try_latch (ut::Location location)

	~Global_exclusive_try_latch ()

bool	owns_lock () const noexcept
	Checks if succeeded to latch the global_latch during construction. More...

Private Attributes
bool	m_owns_exclusive_global_latch
	Did the constructor succeed to acquire exclusive global lock_sys latch? More...

Additional Inherited Members
Private Member Functions inherited from ut::Non_copyable
	Non_copyable (const Non_copyable &)=delete

Non_copyable &	operator= (const Non_copyable &)=delete

	Non_copyable ()=default

	~Non_copyable ()=default

Detailed Description

A RAII helper which tries to exclusively latch the global_lach in constructor and unlatches it, if needed, during destruction, preventing any other threads from activity within lock_sys for it's entire scope, if owns_lock().

Constructor & Destructor Documentation

◆ Global_exclusive_try_latch()

locksys::Global_exclusive_try_latch::Global_exclusive_try_latch ( ut::Location location )

◆ ~Global_exclusive_try_latch()

locksys::Global_exclusive_try_latch::~Global_exclusive_try_latch ( )

Member Function Documentation

◆ owns_lock()

bool locksys::Global_exclusive_try_latch::owns_lock ( ) const

inlinenoexcept

Checks if succeeded to latch the global_latch during construction.

Returns: true iff the current thread owns (through this instance) the exclusive global lock_sys latch

Member Data Documentation

◆ m_owns_exclusive_global_latch

bool locksys::Global_exclusive_try_latch::m_owns_exclusive_global_latch

private

Did the constructor succeed to acquire exclusive global lock_sys latch?

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

storage/innobase/include/lock0guards.h
storage/innobase/lock/lock0guards.cc

Public Member Functions

Private Attributes

Additional Inherited Members