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From: Martin Dowie <martin.dowie@btopenworld.com>
Newsgroups: comp.lang.ada
Subject: Re: Tasking and wxWidgets
Date: Sat, 26 Nov 2005 18:23:29 +0000 (UTC)
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Date: 2005-11-26T18:23:29+00:00
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Lucretia wrote:
> Well, yeah. It is unlikely that wxAda will be used within the embedded
> sector, so it may not be that feasible, but I was wondering more about
> the fact that there are a lot of calls in wxWidgets and that if every
> call was blocking, it may end up being particularly slooow when
> multiple tasks start to use the objects concurrently.

Only if they lock and then do something slow or if you have loads of 
tasks all queue on the same lock.


>>Could you provide the locking as an option at compile time? I.e. have 2
>>packages that providing locking but one is "begin null end;" (or "is null;"
>>for Ada2005, yes?) for everything.
> 
> 
> That would be a big job as there is no preprocessor for Ada (only GNAT
> - and this lib is to be portable).
> 
> Yeah, there will be an Ada 2005 version after the Ada 95 version.

You won't need a preprocessor (although GNAT does have one 'gnatprep') - 
same spec, different bodies.

-- Spec
procedure Foo;

-- Body
procedure Foo is null;

Cheers

-- Martin