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Path: utzoo!linus!decvax!decwrl!flairvax!ellis
From: ellis@flairvax.UUCP (Michael Ellis)
Newsgroups: net.bugs.4bsd
Subject: Re: Two fixes for pseudo-ttys
Message-ID: <658@flairvax.UUCP>
Date: Tue, 17-Jul-84 01:28:45 EDT
Article-I.D.: flairvax.658
Posted: Tue Jul 17 01:28:45 1984
Date-Received: Wed, 18-Jul-84 06:24:36 EDT
Organization: Fairchild AI Lab, Palo Alto, CA
Lines: 31

In april, jim@haring sent out a fix to tty_pty.c (article 235@haring) to
correct slave-end tty close snafus, as well as the awful EOF problem.

I finally got around to installing his fixes to tty_pty.c, but was 
suspicious that his original article had been truncated when I noticed how
abruptly it ended, as below:


--- 338,349 -----
  			break;
  		iov = uio->uio_iov;
  		if (iov->iov_len == 0) {
+ 			while((pti->pt_flags&PF_REMOTE) && tp->t_rawq.c_cc != 0)
+ 				sleep((caddr_t)&tp->t_rawq.c_cf, TTIPRI);
+ 			if(pti->pt_flags&PF_REMOTE){
+ 				(void) putc(0, &tp->t_rawq);
+ 				wakeup((caddr_t)&tp->t_rawq);
+ 			}
  			uio->uio_iovcnt--;	
  			uio->uio_iov++;
  			if (uio->uio_iovcnt < 0)
<-end of article "235@haring"

Furthermore, installing the fix as received resulted in awful screwups
to most programs that depend on pty's, though the EOF problem indeed
was cured.

Can anybody verify that we have indeed lost a portion of Jim's article?
If so, can anybody supply the correct fix?

-michael