Message-Id: <200006181709.UAA14112@mailgw1.netvision.net.il> Date: Sun, 18 Jun 2000 20:10:46 +0200 X-Mailer: Emacs 20.6 (via feedmail 8.1.emacs20_6 I) and Blat ver 1.8.5b From: "Eli Zaretskii" To: "smile773" CC: djgpp AT delorie DOT com In-reply-to: (smile773 AT bigfoot DOT com) Subject: Re: __go32__dpmi ? References: Reply-To: djgpp AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: djgpp AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk > From: "smile773" > Newsgroups: comp.os.msdos.djgpp > Date: Sun, 18 Jun 2000 15:15:39 GMT > > > > I should warn you up front that real-mode callbacks have some downsides; > > for starters, they are non-reentrant. > ********************************************************************* > Does non-reentrant mean that the attributes bytes can be swapped only as > they > are caught and not after the application completes ? No, it means that if you are in the middle of handling an Int 10h function call, and someone calls another function of Int 10h, the second call will not end up in your handler, it will be routed to the old handler (in the BIOS, usually).