Date: Tue, 18 Aug 92 09:16:10 EDT
From: DJ Delorie <dj AT ctron DOT com>
To: Xavier DOT Leroy AT inria DOT fr
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu
Subject: Polling for ctrl-C

>But the fact is I do not need asynchronous interrupts: for various
>reasons, the program I'm porting cannot be interrupted at any time, so
>the signal handler just sets a global flag, and the main program
>periodically polls this flag.

You could just shut off ctrl-c handling completely, and look for the
^C character when you scan the keyboard (kbhit() and getch()).  1.08
will have setcbrk(), but 1.07 has int 0x21 AH=0x33 already.

DJ