[Python-Dev] Tkinter lockups.

["Martin v. Löwis"]

Jeff Epler wrote:
> However, on this system, I couldn't recreate the problem you reported
> with either the "using _tkinter directly" instructions, or using this
> "C" test program:
> 
> #include <tcl.h>
> #include <tk.h>
> 
> int main(void) {
>     Tcl_Interp *trp;
>     unsetenv("DISPLAY");
>     trp = Tcl_CreateInterp();
>     printf("%d\n", Tk_Init(trp));
>     printf("%d\n", Tk_Init(trp));
>     return 0;
> }

The problem only occurs when Tcl and Tk were compiled with
--enable-threads, and it occurs because Tk fails to unlock a mutex
in a few error cases. The patch below fixes the problem.

I'll report it to the Tcl people, and see whether I can work around
in _tkinter.

Regards,
Martin

-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: tk.diff
Url: http://mail.python.org/pipermail/python-dev/attachments/20060430/55b272b8/attachment.diff