[fpc-pascal] Timer in X11

[Henry Vermaak]

On 21/12/11 16:25, michael.vancanneyt at wisa.be wrote:
>
>
> On Wed, 21 Dec 2011, Henry Vermaak wrote:
>
>> On 21/12/11 15:56, Felipe Monteiro de Carvalho wrote:
>>> On Wed, Dec 21, 2011 at 4:53 PM, Henry
>>> Vermaak<henry.vermaak at gmail.com> wrote:
>>>> Spinning like this is bad news for efficiency and battery life of
>>>> embedded
>>>> devices.
>>>
>>> Well, using X11 in an embedded device by itself is a very bad choice
>>
>> Better tell Maemo they've made a very bad choice, then. It's not just
>> embedded devices, laptops have batteries, too. You're wasting CPU and
>> power just spinning around a loop, so even if your app isn't active,
>> it's still waking up every 50ms. I don't consider this very good
>> programming practice.
>
> But presumably only if you are using a timer, in which case that's exactly
> what the programmer wanted ?

No, he's got a hard coded wakeup, since he wants to support multiple 
timers by adding them up (sometimes "guessing" the value).  If I set a 
timer for 1 hour, I don't want the program to wake up every 50ms.

Henry