Am 10.12.2015 11:05 schrieb "Luca Olivetti" <l...@ventoso.org>: > > Hello, > > in a couple of programs I'm using this idiom: > > > FMyThread:=TMyTread.Create; > FMyThread.FreeOnTerminate:=false; > FMyThread.OnTerminate:=@MyThreadTerminate > > procedure TMyForm.MyThreadTerminate(Sender:TObject); > begin > //do something with FMyThread then > FreeAndNil(FMyThread); > end; > > > With fpc 2.6.4 it worked flawlessly, with fpc 3.0 sometimes it causes a sigsev somewhere inside CheckSynchronize. > > I could find nothing here > http://wiki.freepascal.org/User_Changes_3.0 > related to this. > I realize that's an implementation detail so probably what I did was wrong (was it?).
I'd need to check what the RTL does after OnTerminate is called, but it could be that this worked by chance... > What are the possible solutions (apart from omitting the call to FreeAndNil and setting FreeOnTerminate to true)? That would be the safest solution (you can set FMyThread to Nil however inside that handler). Regards, Sven
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