[Lazarus] Rescan FPC sources crashes Lazarus

[Mattias Gaertner]

On Sat, 26 Mar 2011 21:47:24 +0100
Sven Barth <pascaldragon at googlemail.com> wrote:

> On 26.03.2011 20:07, Florian Klämpfl wrote:
> > Am 26.03.2011 19:36, schrieb Hans-Peter Diettrich:
> >>> Making IsMultiThreaded a function is a no-no: it is used in really
> >>> speed critical code paths and using an inline function neither because
> >>> it's used mostly in assembler code
> >>
> >> Simple solution: the variable continues to exist, under a different
> >> name. The property only implements Delphi compatibility :-)
> >
> > Possible, but I fear this is also only half of a solution: a property
> > cannot replace a variable, see var parameter problem or assembler code.
> 
> What about the following solution:
> 
> * add a variable in the implementation section of system.pp that will be 
> the real workhorse for "should the RTL be threadsafe" (basically what 
> IsMultiThread is now)
> * when setting that private variable also set the "old" IsMultiThread 
> variable (but never read it inside the RTL)
> * provide a setter function for the private "should the RTL be 
> threadsafe" variable and document it with a big warning that it is only 
> for use inside a thread manager.

And how can other code check it fast?

Mattias