[Lazarus] Mutlithreaded Dll Callback crashes my Application

[Sven Barth]

Am 25.08.2010 17:48, schrieb Alexander Grau:
> Sven Barth schrieb:
>> Am 25.08.2010 17:02, schrieb Alexander Grau:
>>>> Does it even work if you use threadvars? It should as the Heap uses
>>>> threadvars, but I want to be sure. (and now I'm also curious to know
>>>> why it works with 2.4.0 ^^)
>>> I have modified the test - now it's using multiple external threads and
>>> that works fine too until the moment I enable any 'writeln'. Using
>>> threadvars or not doesn't make any difference. Using any writeln will
>>> make it crash. If not using writeln, the external threads can call FPC
>>> objects to increase some counters that are correctly displayed at the
>>> end of the program for each thread.
>>
>> So the runtime must be tested more when using external threads... Does
>> the writeln work when you use FPC threads?
> Yes, using FPC threads it works - it crashes only when using external
> threads.
>

Might be the time to report this to the FPC devs. Maybe I'll take a look 
into the RTL by myself as well, but I can't promise anything.

Regards,
Sven