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From: mpl@sfsup.UUCP
Newsgroups: comp.unix.questions
Subject: Re: How do I wait for Terminal IO to compleate??
Message-ID: <1333@sfsup.UUCP>
Date: Mon, 20-Apr-87 09:54:33 EST
Article-I.D.: sfsup.1333
Posted: Mon Apr 20 09:54:33 1987
Date-Received: Tue, 21-Apr-87 05:47:42 EST
References: <245@uvicctr.UUCP> <740@mcgill-vision.UUCP>
Organization: AT&T-IS, Summit N.J. USA
Lines: 20
Summary: ioctl(... TCSBRK ...)

In article <740@mcgill-vision.UUCP>, mouse@mcgill-vision.UUCP writes:
> In article <245@uvicctr.UUCP>, sbanner1@uvicctr.UUCP (S. John Banner) writes:
> You could look at the baud rate and calculate the delay time.
> 
> > I know that there is an ioctl that will see if there is any pending
> > input, but is there a similar one for output (I have looked, but I
> > can't find it).
> 
> You don't say what sort of system you are on.  Presumably it is some
> sort of UNIX.  SysV? BSD4.2? BSD4.1? Xenix? what?
> 

AT&T UNIX(Tm - UNIX is a trademark of AT&T Bell Laboratories, etc.) SYS V
has the following (taken from the administraor's refernce manual):

	TCSBRK	Wait for the output to drain.  If arg is 0, then send a
		BREAK.

Mike Lindner
ihnp4!attunix!mpl