Enables a session to wait on a condition until a timeout or a network disconnect occurs. More...

Public Member Functions
	Interruptible_wait (THD *thd)

	~Interruptible_wait ()=default

void	set_timeout (ulonglong timeout)
	Set the absolute timeout. More...

int	wait (mysql_cond_t , mysql_mutex_t )
	The timed wait. More...

Private Attributes
THD *	m_thd

struct timespec	m_abs_timeout

Static Private Attributes
static const ulonglong	m_interrupt_interval = 5 * 1000000000ULL
	Time to wait before polling the connection status. More...

Detailed Description

Enables a session to wait on a condition until a timeout or a network disconnect occurs.

Remarks: The connection is polled every m_interrupt_interval nanoseconds.

Constructor & Destructor Documentation

◆ Interruptible_wait()

Interruptible_wait::Interruptible_wait ( THD * thd )

inline

◆ ~Interruptible_wait()

Interruptible_wait::~Interruptible_wait ( )

default

Member Function Documentation

◆ set_timeout()

void Interruptible_wait::set_timeout ( ulonglong timeout )

inline

Set the absolute timeout.

Parameters

timeout The amount of time in nanoseconds to wait

◆ wait()

int Interruptible_wait::wait	(	mysql_cond_t *	cond,
		mysql_mutex_t *	mutex
	)

The timed wait.

Wait for a given condition to be signaled.

Parameters

cond	The condition variable to wait on.
mutex	The associated mutex.

Remarks: The absolute timeout is preserved across calls.

Return values

return value from mysql_cond_timedwait

Member Data Documentation

◆ m_abs_timeout

struct timespec Interruptible_wait::m_abs_timeout

private

◆ m_interrupt_interval

const ulonglong Interruptible_wait::m_interrupt_interval = 5 * 1000000000ULL

staticprivate

Time to wait before polling the connection status.

◆ m_thd

THD* Interruptible_wait::m_thd