Timer application in linux

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12-29-2011

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Timer application in linux

Hello everyone,
It is good to be here.
I am a newbie to Linux.Can anyone help me in designing a timer application.
The timer has to start.And after certain time interval the program should call a function continuously.It should not be in sleep mode.During the course of that time interval the program should execute the rest of the functions or statements.

Plz help me in doing so...thanx in advance

Harry443

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io::async::timer

IO::Async::Timer(3pm)					User Contributed Perl Documentation				     IO::Async::Timer(3pm)

NAME

       "IO::Async::Timer" - base class for Notifiers that use timed delays

DESCRIPTION

       This module provides a subclass of IO::Async::Notifier for implementing notifiers that use timed delays. For specific implementations, see
       one of the subclasses:

       o       IO::Async::Timer::Absolute - event callback at a fixed future time

       o       IO::Async::Timer::Countdown - event callback after a fixed delay

       o       IO::Async::Timer::Periodic - event callback at regular intervals

CONSTRUCTOR

   $timer = IO::Async::Timer->new( %args )
       Constructs a particular subclass of "IO::Async::Timer" object, and returns it. This constructor is provided for backward compatibility to
       older code which doesn't use the subclasses. New code should directly construct a subclass instead.

       mode => STRING
	       The type of timer to create. Currently the only allowed mode is "countdown" but more types may be added in the future.

       Once constructed, the "Timer" will need to be added to the "Loop" before it will work. It will also need to be started by the "start"
       method.

METHODS

   $running = $timer->is_running
       Returns true if the Timer has been started, and has not yet expired, or been stopped.

   $timer->start
       Starts the Timer. Throws an error if it was already running.

       If the Timer is not yet in a Loop, the actual start will be deferred until it is added. Once added, it will be running, and will expire at
       the given duration after the time it was added.

       As a convenience, $timer is returned. This may be useful for starting timers at construction time:

	$loop->add( IO::Async::Timer->new( ... )->start );

   $timer->stop
       Stops the Timer if it is running. If it has not yet been added to the "Loop" but there is a start pending, this will cancel it.

AUTHOR

       Paul Evans <leonerd@leonerd.org.uk>

perl v5.14.2							    2012-10-24						     IO::Async::Timer(3pm)

UNIX and Linux Applications