Path: utzoo!utgpu!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!csd4.milw.wisc.edu!uxc!uxc.cso.uiuc.edu!fthood!egray
From: egray@fthood.UUCP
Newsgroups: comp.unix.questions
Subject: Porting AT&T ioctl()'s to BSD???
Message-ID: <7300002@fthood>
Date: 1 Jan 89 21:38:00 GMT
Lines: 19
Nf-ID: #N:fthood:7300002:000:726
Nf-From: fthood.UUCP!egray    Jan  1 15:38:00 1989


Howdy.. I've got some problems porting AT&T code to BSD that someone
may have some experience with.

I need the ability to flush the TTY input queue, output queue, or both
similar to what AT&T does with ioctl(fd, TCFLSH, n).  I can't use
BSD's icotl(fd, TCIOFLUSH, 0) since it always flushed both queues.

Also, I'd like a way to emulate AT&T's ioctl(fd, TCSBRK, 1) that waits
for the output of the queue to drain.  I suspect BSD's select() could
be used?

Examples and/or code fragments would be much appreciated!

Emmet P. Gray				US Army, HQ III Corps & Fort Hood
...!uunet!uiucuxc!fthood!egray		Attn: AFZF-DE-ENV
					Directorate of Engineering & Housing
					Environmental Management Office
					Fort Hood, TX 76544-5057