[fpc-devel] daemonapp 100% cpu easting fix

[Michael Schnell]

> On linux, everything comes down to polling. The only non-polling solution,
> signals, are not suitable since you don't know in which thread the signal 
> ends up, and you must start using complicated inter-thread communication. 
>   
There are lots of concepts in Linux that theoretically could be used for 
signaling. E.G. multiple message queues can be used with select() to 
handle multiple events. OTOH whenever a 3rd party widget system like QT 
is involved I suppose we need to use whatever this provides
> In practice, polling is simply much more easy and understandable.
Right but technically it offers the lowest performance and unnecessarily 
uses the most CPU power.

-Michael