Re: [Boost-users] Periodic Timer

Subject: Re: [Boost-users] Periodic Timer
From: Igor R (boost.lists_at_[hidden])
Date: 2008-09-09 17:10:44

>   void print1()
>   {
>     if (count_ < 100)
>     {
>       timer1_.expires_at(timer1_.expires_at() +
> boost::posix_time::microseconds(10));
>       timer1_.async_wait(boost::bind(&printer::print1, this));
>       std::cout << "Timer 1: " << count_ << "\n";
>       ++count_;
>
>     }
>

> Over a period of time I think it will probably cause some slippage.

This is because you always take a new "reference time".
I guess that if you store the initial reference-point (when starting
the timer for the 1st time) and then always add to *it* a
time_duration*iterationNumber, then the slippage wouldn't accumulate.