Forking problems on OS X 2.047

[Jacob Carlborg]

On 2010-06-21 23:32, Byron Heads wrote:
> When I use fork I am getting a core.thread.ThreadException: Unable to
> load thread state exception.
>
> This is dmd 2.047 on OS X
> I am trying to convert a small C application.
>
>
> module fork;
> import  core.sys.posix.unistd,
>          std.stdio;
>
> void main()
> {
>      auto pid = fork();
>
>      if( pid>  0 ) {
>          writeln( "Parent" );
>      } else if( pid == 0 ) {
>          writeln( "Child" );
>      } else {
>          writeln( "Failed to fork!" );
>      }
> }
>
>
> $ ./fork
> Parent
> Child
> core.thread.ThreadException: Unable to load thread state
> ----------------
> 5   fork                                0x00006de9 thread_suspendAll + 85
> 6   fork                                0x0000aff0
> D2gc3gcx3Gcx11fullcollectMFPvZk + 32
> 7   fork                                0x0000afbd
> D2gc3gcx3Gcx16fullcollectshellMFZk + 41
> 8   fork                                0x0000a0a2
> D2gc3gcx2GC18fullCollectNoStackMFZv + 54
> 9   fork                                0x0000803c gc_term + 44
> 10  fork                                0x0000cef6
> D2rt6dmain24mainUiPPaZi6runAllMFZv + 90
> 11  fork                                0x0000cdc6
> D2rt6dmain24mainUiPPaZi7tryExecMFMDFZvZv + 42
> 12  fork                                0x0000cd54 main + 168
> 13  fork                                0x00001a85 start + 53
>
> I tried different flags but the output is the same.

It's working fine using Tango on Snow Leopard but it doesn't work using 
D2 on Leopard or Snow.

-- 
/Jacob Carlborg