[fpc-pascal] writeln: FPC runtime race conditions in external C threads

[Alexander Grau]

Am 12.07.2010 um 18:17 schrieb Jonas Maebe:

>
> On 12 Jul 2010, at 13:24, Michael Van Canneyt wrote:
>
>> Basically, any heap memory access and standard pascal I/O are  
>> forbidden in
>> threads started outside FPC, because the necessary thread  
>> structures are not
>> initialized correctly.
>
> I think that I've finally found a way to resolve this properly in  
> r15557.


This doesn't seem to work fully yet-  let me try to create a simple  
test for reproducing my crash ;-) ...




-------------burn-------------
aquireExclusiveAccess
burn started
druProgressCallback threadid=A07F4F60  state=DRStatusStatePreparing   
progress=-100.00  currentTrack=0
druProgressCallback threadid=A07F4F60  state=DRStatusStatePreparing   
progress=0.00  currentTrack=0
druFileProc  thread=B0185000
druFileProc  thread=B0185000
druFileProc  thread=B0185000
druProgressCallback threadid=A07F4F60  state=DRStatusStatePreparing   
progress=45.00  currentTrack=0
druProgressCallback threadid=A07F4F60  state=DRStatusStatePreparing   
progress=90.00  currentTrack=0
druProgressCallback threadid=A07F4F60  state=DRStatusStatePreparing   
progress=93.33  currentTrack=0
druProgressCallback threadid=A07F4F60  state=DRStatusStatePreparing   
progress=96.67  currentTrack=0
druProgressCallback threadid=A07F4F60  state=DRStatusStatePreparing   
progress=100.00  currentTrack=0
druProgressCallback threadid=A07F4F60  state=DRStatusStateSessionOpen   
progress=-100.00  currentTrack=0
druFileProc  thread=B0207000
druFileProc  thread=B0207000
druFileProc  thread=B0207000
druFileProc  thread=B0207000
druFileProc  thread=B0207000
druFileProc  thread=B0207000
druFileProc  thread=B0207000
druFileProc  thread=B0207000
druFileProc  thread=B0207000
druProgressCallback threadid=A07F4F60  state=DRStatusStateTrackOpen   
progress=end
An unhandled exception occurred at $0006977C :
EInOutError : Disk Full
   $0006977C