From:	Damian Yerrick <MYNAMEISd_yerrick AT hotmail DOT comNO2CANNEDHAM>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: How Do I start another DOS program from DJGPP ?
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NNTP-Posting-Date:	Thu, 10 Feb 2000 17:01:29 GMT
Distribution:	world
Date:	Thu, 10 Feb 2000 17:01:29 GMT
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

On Thu, 10 Feb 2000 13:02:02 GMT, arcadepreserv AT hotmail DOT com wrote:

>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;
>}

// You're calling DOS in an interrupt handler.
read_last_string_from_file
{
  call_dos();
}

// DOS is not reentrant.
call_dos
{
  if(already_doing_something)
    crash_pc();
}


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