epics::pvData::Timer Class Reference

Support for delayed or periodic callback execution. More...

#include <misc/pv/timer.h>

Inheritance diagram for epics::pvData::Timer:

Collaboration diagram for epics::pvData::Timer:

Public Types
typedef std::tr1::shared_ptr < Timer >	shared_pointer
typedef std::tr1::shared_ptr < const Timer >	const_shared_pointer
typedef std::tr1::weak_ptr< Timer >	weak_pointer
typedef std::tr1::weak_ptr < const Timer >	const_weak_pointer

Public Member Functions
	Timer (std::string threadName, ThreadPriority priority)
void	close ()
	Prevent new callbacks from being scheduled, and cancel pending callbacks.
void	scheduleAfterDelay (TimerCallbackPtr const &timerCallback, double delay)
void	schedulePeriodic (TimerCallbackPtr const &timerCallback, double delay, double period)
bool	cancel (TimerCallbackPtr const &timerCallback)
bool	isScheduled (TimerCallbackPtr const &timerCallback) const
void	dump (std::ostream &o) const

Detailed Description

Support for delayed or periodic callback execution.

Definition at line 71 of file timer.h.

Constructor & Destructor Documentation

epics::pvData::Timer::Timer	(	std::string	threadName,
		ThreadPriority	priority
	)

Create a new timer queue

Parameters

threadName	name for the timer thread.
priority	thread priority

Member Function Documentation

bool epics::pvData::Timer::cancel

(

TimerCallbackPtr const &

timerCallback

)

cancel a callback.

Parameters

timerCallback

the timerCallback to cancel.

Returns

true if the timer was queued, and now is cancelled

void epics::pvData::Timer::dump

(

std::ostream &

o

)

const

show the elements in the timer queue.

Parameters

o	The output stream for the output

bool epics::pvData::Timer::isScheduled

(

TimerCallbackPtr const &

timerCallback

)

const

Is the callback scheduled to be called?

Parameters

timerCallback

the timerCallback.

Returns

(false,true) if (not, is) scheduled.

void epics::pvData::Timer::scheduleAfterDelay	(	TimerCallbackPtr const &	timerCallback,
		double	delay
	)

schedule a callback after a delay.

Parameters

timerCallback	the timerCallback instance.
delay	number of seconds before calling callback.

void epics::pvData::Timer::schedulePeriodic	(	TimerCallbackPtr const &	timerCallback,
		double	delay,
		double	period
	)

schedule a periodic callback.`

Parameters

timerCallback	the timerCallback instance.
delay	number of seconds before first callback.
period	time in seconds between each callback.

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

• misc/pv/timer.h