[Lazarus] Lazarus Release 1.8

[Michael Van Canneyt]

On Mon, 11 Dec 2017, Luca Olivetti via Lazarus wrote:

> El 09/12/17 a les 11:57, Luca Olivetti via Lazarus ha escrit:
>
>> I know I'll have to upgrade to fpc 3 someday, but what worries me about 
>> it is my (and other 3rd party units) use of ansistrings as binary 
>> buffers. I did some quick tests some time ago an nothing seemed broken, 
>> but I'm somewhat reluctant since my software has to run unattended 24/7 
>> (or more like 24/5).
>
>
> I've done some tests with 3.0.4 and it turns out I'm bitten by the 
> extensive changes in tthread: freeing a thread in its OnTerminate[*] 
> randomly (i.e. not every time) produces a sigsev (under win32).
> With 2.6.4 it didn't happen (though freeing a thread in OnTerminate had 
> another problem undes Linux, see 
> https://bugs.freepascal.org/view.php?id=32759)
>
> [*] I don't know if freeing a thread in OnTerminate is allowed. FPC 
> documentation here 
> https://www.freepascal.org/docs-html/rtl/classes/tthread.onterminate.html 
> says nothing about it, but
> the example here (mentioned in the bug report) 
> http://docwiki.embarcadero.com/CodeExamples/Tokyo/en/TThreadYield_(Delphi) 
> seems to imply that it should.

It is definitely not allowed in FPC, and I will document it as such.

Michael.