Forking problems on OS X 2.047
Masahiro Nakagawa
repeatedly at gmail.com
Tue Jun 22 15:49:15 PDT 2010
On Tue, 22 Jun 2010 06:32:21 +0900, Byron Heads <wyverex.cypher at gmail.com>
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.
My environment too. Please put this bug into bugzilla.
Masahiro
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