[Lazarus] Threads in Lazarus code base

[Florian Klaempfl]

Am 15.09.2010 15:26, schrieb ik:
> 
> 
> On Wed, Sep 15, 2010 at 15:16, Florian Klaempfl <florian at freepascal.org
> <mailto:florian at freepascal.org>> wrote:
> 
>     Am 15.09.2010 13:56, schrieb Michael Schnell:
>     > My impression is that regarding the OS-interface of a program that
>     needs
>     > the said features (multiple "logical threads", performance, latency,
>     > making use of modern SMP systems, ...), threads are a necessity. But
>     > programming languages might be able to in many cases hide the dirty
>     > details from the programmer (e.g. "parallel" loops, see the Delphi
>     Prism
>     > and/or .NET documentation on these issues.) If FPC could be
>     enhances tn
>     > that direction it might be a decent improvement.
> 
>     The parallel loop solves nothing which makes threading hard and is only
>     a cheap excuse. The real problems of threading are synchronization and
>     especially abording threads e.g. triggered by the main thread.
> 
> 
> So how do you do multiple sub routines "at the same time", or some tasks
> that will hang your system but you require it to function even when it
> does the heavy work ?

It depends on the application. But as I said before: aborting something
like a parallel loop because the user pressed e.g. ESC isn't easy either.