[Lazarus] Lazarus IDE can't multi-task
nc-gaertnma at netcologne.de
Mon Jun 27 16:47:50 CEST 2011
Graeme Geldenhuys <graemeg.lists at gmail.com> hat am 27. Juni 2011 um 16:10
> Is there as specific reason why Lazarus IDE stops compiling a project
> when I open the 'Environment > Options' dialog? I've tested, and it
> seems to happen with a lot of dialogs. Start a long running compile -
> but don't dare open any dialogs in Lazarus IDE, otherwise the compile
> freezes. Close the dialogs and the compiling continues. I've tested this
> on a 32-bit and 64-bit machine, and on Linux and Mac OS X. Any no, it's
> not just the screen refresh that doesn't update - the compiling
> physically pauses until the dialog closes. ie: hard-drive activity stops
The IDE reads the output in a loop using Application.ProcessMessages. This means
any event pauses reading the output.A ShowModal runs in its own loop, pausing
the calling code. That's why.
Only a rewrite would change this.
> Is this by design, or just another bug? I would imagine with todays
> multi-processor and multi-core systems, software should at least be able
> to do two or more things at once.
> MSEide has no problem with compiling in the background (neither has my
> experimental IDE), so it can't be a FPC limitation, but rather something
> specific to Lazarus IDE.
I already started a rewrite of the IDE's code to execute external tools. But I
can't say when it will be ready.
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