From: arcadepreserv AT hotmail DOT com
Newsgroups: comp.os.msdos.djgpp
Subject: Re: How Do I start another DOS program from DJGPP ?
Date: Thu, 10 Feb 2000 13:02:02 GMT
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How about this approach then ?

frontend.c

main{
...
setup_timer_interrupt_to_call_int_handler_often_enough;
exec_dos_program("backend.exe>tempfile.dat");
...
}

int_handler
{
read_last_string_from_file("tempfile.txt");
process_that_string_quickly_since_we_are_in_an_interrupt;
}






In article <38A183C7 DOT AC3F0097 AT americasm01 DOT nt DOT com>,
  "Campbell, Rolf [SKY:1U32:EXCH]" <moscoop AT americasm01 DOT nt DOT com> wrote:
> arcadepreserv AT hotmail DOT com wrote:
>
> > Thanks for your answers. On the not possible in DOS though,
> > it would be possible to have a starter program that runs a
> >
> > popen(gets.exe|backend.exe)
> >
> > where gets.c is something like
> >
> > char *s;
> > while (1)
> > gets(s);
> >
> > I have tested this and indeed s always contains the latest output
> > string that backend.exe has output on screen. gets can of course
have a
> > bigger loop and thus process the s string in any matter while the
> > backend.exe runs and prints it out.
>
>     But, 'backend.exe' does not run until 'gets.exe' has finished
running,
> which is not what you wanted.
>
> --
> (\/) Rolf Campbell (\/)
>
>


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