buf_page_t::io_responsibility_t Class Reference

Public Member Functions
bool	someone_is_responsible () const
	Checks if there is any thread responsible for I/O on this page now. More...
bool	current_thread_is_responsible () const
	Checks if the current thread is responsible for I/O on this page now. More...
void	release ()
	Called by the thread responsible for I/O on this page to release its responsibility. More...
void	take ()
	Called by the thread which becomes responsible for I/O on this page to indicate that it takes the responsibility. More...

Private Attributes
std::thread::id	responsible_thread {std::thread().get_id()}
	The thread responsible for I/O on this page, or an impossible value if no thread is currently responsible for I/O. More...

Member Function Documentation

current_thread_is_responsible()

bool buf_page_t::io_responsibility_t::current_thread_is_responsible ( ) const

inline

Checks if the current thread is responsible for I/O on this page now.

Returns

true iff the current thread is responsible for I/O on this page.

release()

void buf_page_t::io_responsibility_t::release ( )

inline

Called by the thread responsible for I/O on this page to release its responsibility.

someone_is_responsible()

bool buf_page_t::io_responsibility_t::someone_is_responsible ( ) const

inline

Checks if there is any thread responsible for I/O on this page now.

Returns

true iff there is a thread responsible for I/O on this page.

take()

void buf_page_t::io_responsibility_t::take ( )

inline

Called by the thread which becomes responsible for I/O on this page to indicate that it takes the responsibility.

Member Data Documentation

responsible_thread

std::thread::id buf_page_t::io_responsibility_t::responsible_thread {std::thread().get_id()}

private

The thread responsible for I/O on this page, or an impossible value if no thread is currently responsible for I/O.

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

• storage/innobase/include/buf0buf.h