Re: towards 4.4

[Ethan M. <merritt@u.washington.edu>]

On Thursday 28 January 2010 15:33:48 Tatsuro MATSUOKA wrote:
> Hello
> 
> I have remembered that Benjamin have posted concerning issue of ctrl+c on gnuplot.exe for windows.
> 
> http://old.nabble.com/MSWin-issues-holding-up-4.4.rc1-td25793940.html#a26015183
> 
> ****************
> --- gnuplot-4.3.0-2009-07-08-orig/src/plot.c	2009-09-20 20:16:47 +0200
> +++ gnuplot-4.3.0-2009-07-08/src/plot.c	2009-10-18 13:06:08 +0200
> @@ -684,7 +684,11 @@
>      setmatherr(purec_matherr);
>  #endif
>  
> +#if defined(WGP_CONSOLE)
> +    (void) signal(SIGINT, SIG_IGN);
> +#else
>      (void) signal(SIGINT, (sigfunc) inter);
> +#endif
>  
>  #ifdef SIGPIPE
>      /* ignore pipe errors, this might happen with set output "|head" */
> ******************
> 
> The above seems not to be applied yet.

That would cause the program to ignore ctrl-c.
It would be better to fix the signal-handling routine so that it
responds to ctrl-c correctly.

Does someone know the history of this problem?
Did ctrl-c work on Windows in older versions of gnuplot?
If so, when did it break?

-- 
Ethan A Merritt