kicad-developers team mailing list archive

[Chris Pavlina <pavlina.chris@xxxxxxxxx>]

Good point about GDI, I wasn't aware about that restriction. Windows
does have fibers which are basically coroutines - I wonder if a separate
Windows implementation could use those. I don't see any such restriction
for fibers.

On Thu, Mar 02, 2017 at 03:58:01PM +0100, "Torsten Hüter" wrote:
> Chris:
> >> With a proper implementation this should be indistinguishable from
> >> coroutines, including to wx.
> 
> This is your opinion not mine, I'm not sure. Again, read the paragraph about secondary threads:
> http://docs.wxwidgets.org/3.1/overview_thread.html
> 
> "[..] under Win32 a thread can only access GDI objects such as pens, brushes, device contexts created by itself and not by the other threads [..]"
> 
> One of the reasons why they strongly recommend "no secondary threads call GUI functions".
> 
> --
> 
> However, if you can ensure that the coroutines never call GUI functions, threads should be a nice alternative. I remember Orson has written, that this should be possible. Maybe he can answer the question if this restriction is still acceptable. Then I could rescue my implementation from my backups.
> 
> Thanks,
> Torsten
> 
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