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From: arnold@jarthur.Claremont.EDU (Arnold de Leon)
Newsgroups: comp.unix.questions
Subject: Re: Rn Crashing ?
Summary: fix for rn on sequent symmetry
Keywords: RN IOCTL
Message-ID: <5298@jarthur.Claremont.EDU>
Date: 22 Mar 90 05:40:27 GMT
References: <900@xenon.kcl-cs.UUCP>
Organization: Harvey Mudd College, Claremont, CA 91711
Lines: 70

In article <900@xenon.kcl-cs.UUCP> cf@kcl-cs.UUCP (Andy Whitcroft) writes:
>We have a strange problem with 'rn', version 4.3.1.4 patchlevel 40,
>compiled on a Sequent Symetry running under Dynix, BSD 4.2.
>
>It will work fine in all normal usage, but if you suspend it with '^Z' from
>csh, during reading an article mode only, it crashes when resumed with an
>'illegal ioctl during read' message, this is rather annoying to me.
>
>Has anyoe had this behaviou from their 'rn' ? Any fixes ? 
>

Yes here is a fix.  The diffs are relative to rn patch level
44 but they should work with patch level 40.

Apply the following patch to term.c

*** /tmp/,RCSt1008238	Wed Mar 21 21:20:00 1990
--- /tmp/,RCSt2008238	Wed Mar 21 21:20:01 1990
***************
*** 1,6 ****
! /* $Header: /src/local/bin/rn.44/RCS/term.c,v 1.1 89/12/23 15:19:47 arnold Exp $
   *
   * $Log:	term.c,v $
   * Revision 1.1  89/12/23  15:19:47  arnold
   * Initial revision
   * 
--- 1,12 ----
! /* $Header: /src/local/bin/rn.44/RCS/term.c,v 1.3 89/12/23 17:55:50 arnold Exp $
   *
   * $Log:	term.c,v $
+  * Revision 1.3  89/12/23  17:55:50  arnold
+  * replaced sequent fix with more generic fix 
+  * 
+  * Revision 1.2  89/12/23  16:03:00  arnold
+  * fixed to work with a Sequent Symmetry
+  * 
   * Revision 1.1  89/12/23  15:19:47  arnold
   * Initial revision
   * 
***************
*** 736,746 ****
      for (;;) {
  	int_count = 0;
  	errno = 0;
! 	if (read_tty(whatbuf,1) < 0 && !errno)
! 	    errno = EINTR;
! 	if (errno && errno != EINTR) {
! 	    perror(readerr);
! 	    sig_catcher(0);
  	}
  #ifdef PUSHBACK
  	if (*whatbuf & 0200 || no_macros) {
--- 742,753 ----
      for (;;) {
  	int_count = 0;
  	errno = 0;
! 	if (read_tty(whatbuf,1) < 0 )
! 	    if (!errno)
! 	        errno = EINTR;
! 	    else {
! 		perror(readerr);
! 		sig_catcher(0);
  	}
  #ifdef PUSHBACK
  	if (*whatbuf & 0200 || no_macros) {
-- 

Arnold de Leon                       arnold@jarthur.claremont.edu
Computer Science Dept., HMC          uunet!jarthur!arnold
Claremont, CA 91711                  arnold@hmcvax.bitnet