Detached_thread Class Reference

Wrapper for a callable, it will count the number of registered Runnable instances and will register the thread executing the callable with the PFS and the Server threading infrastructure. More...

#include <os0thread-create.h>

Inheritance diagram for Detached_thread:

Public Member Functions
	Detached_thread (mysql_pfs_key_t pfs_key, PSI_thread_seqnum pfs_seqnum)
	Constructor for the detached thread. More...
template<typename F , typename... Args>
void	operator() (F &&f, Args &&... args)
	Method to execute the callable. More...
IB_thread	thread () const
Public Member Functions inherited from MySQL_thread
	MySQL_thread (mysql_pfs_key_t pfs_key, PSI_thread_seqnum pfs_seqnum)
	Constructor for the Runnable object. More...

Private Member Functions
void	init ()
	Initializes the m_shared_future, uses the m_promise's get_future, which cannot be used since then, according to its documentation. More...
void	preamble ()
	Register the thread with the server. More...
void	epilogue ()
	Deregister the thread. More...

Private Attributes
IB_thread	m_thread
	Future object which keeps the ref counter >= 1 at least as long as the Detached_thread is not-destroyed. More...
std::promise< void >	m_promise
	Promise which is set when task is done. More...

Additional Inherited Members
Protected Member Functions inherited from MySQL_thread
void	preamble ()
	Register the thread with the server. More...
void	epilogue ()
	Deregister the thread. More...
THD *	create_mysql_thd () noexcept
void	destroy_mysql_thd (THD *thd) noexcept
	Destroy a THD instance. More...
Protected Attributes inherited from MySQL_thread
const mysql_pfs_key_t	m_pfs_key
	Performance schema key. More...
PSI_thread_seqnum	m_pfs_seqnum
	Performance schema sequence number. More...

Detailed Description

Wrapper for a callable, it will count the number of registered Runnable instances and will register the thread executing the callable with the PFS and the Server threading infrastructure.

Constructor & Destructor Documentation

Detached_thread()

Detached_thread::Detached_thread ( mysql_pfs_key_t  pfs_key, PSI_thread_seqnum  pfs_seqnum  )

inlineexplicit

Constructor for the detached thread.

Parameters

[in]	pfs_key	Performance schema key
[in]	pfs_seqnum	Performance schema sequence number

Member Function Documentation

epilogue()

void Detached_thread::epilogue ( )

inlineprivate

Deregister the thread.

init()

void Detached_thread::init ( void  )

inlineprivate

Initializes the m_shared_future, uses the m_promise's get_future, which cannot be used since then, according to its documentation.

operator()()

template<typename F , typename... Args>

void Detached_thread::operator() ( F &&  f, Args &&...  args  )

inline

Method to execute the callable.

Parameters

[in]	f	Callable object
[in]	args	Variable number of args to F

preamble()

void Detached_thread::preamble ( )

inlineprivate

Register the thread with the server.

thread()

IB_thread Detached_thread::thread ( ) const

inline

Returns

thread handle.

Member Data Documentation

m_promise

std::promise<void> Detached_thread::m_promise

private

Promise which is set when task is done.

m_thread

IB_thread Detached_thread::m_thread

mutableprivate

Future object which keeps the ref counter >= 1 at least as long as the Detached_thread is not-destroyed.

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

• storage/innobase/include/os0thread-create.h