From: Peter Stephenson <pws@ibmth.df.unipi.it>
To: Drazen Kacar <dave@srce.hr>, zsh-workers@math.gatech.edu
Subject: Re: PATCH: (more) Re: PATCH: 3.1.5* & 3.0.5: Re: strange xterm & zsh behaviour
Date: Sat, 30 Jan 1999 13:51:47 +0100 [thread overview]
Message-ID: <9901301251.AA43826@ibmth.df.unipi.it> (raw)
In-Reply-To: "Peter Stephenson"'s message of "Sat, 30 Jan 1999 13:43:54 NFT." <9901301244.AA63428@ibmth.df.unipi.it>
Peter Stephenson wrote:
> You mean something like the following? I don't quite know how to test
> for this, since you can't be assured fd 0 is /dev/tty. Maybe the
> ioctl() on its own is enough.
sorrysorry... this time I've tested it. (I didn't realise I could on
AIX, but TIOCNXCL does exist after all.) This replaces the one two
minutes ago.
--- Src/init.c.tiocnxcl Sat Jan 30 13:29:37 1999
+++ Src/init.c Sat Jan 30 13:49:09 1999
@@ -300,6 +300,19 @@
/* Make sure the tty is opened read/write. */
if (isatty(0)) {
+#ifdef TIOCNXCL
+ /*
+ * See if the terminal claims to be busy. If so, and fd 0
+ * is a terminal, try and set non-exclusive use for that.
+ * This is something to do with Solaris over-cleverness.
+ */
+ int tmpfd;
+ if ((tmpfd = open("/dev/tty", O_RDWR | O_NOCTTY)) < 0) {
+ if (errno == EBUSY)
+ ioctl(0, TIOCNXCL, 0);
+ } else
+ close(tmpfd);
+#endif
zsfree(ttystrname);
if ((ttystrname = ztrdup(ttyname(0))))
SHTTY = movefd(open(ttystrname, O_RDWR | O_NOCTTY));
--
Peter Stephenson <pws@ibmth.df.unipi.it> Tel: +39 050 844536
WWW: http://www.ifh.de/~pws/
Dipartimento di Fisica, Via Buonarroti 2, 56127 Pisa, Italy
next prev parent reply other threads:[~1999-01-30 12:51 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-01-27 22:26 Drazen Kacar
1999-01-28 5:46 ` Bart Schaefer
1999-01-28 9:38 ` Drazen Kacar
1999-01-29 3:47 ` Drazen Kacar
1999-01-29 9:16 ` PATCH: 3.1.5* & 3.0.5: " Peter Stephenson
1999-01-29 18:59 ` PATCH: (more) " Bart Schaefer
1999-01-29 19:08 ` Bart Schaefer
1999-01-30 5:54 ` Drazen Kacar
1999-01-30 12:43 ` Peter Stephenson
1999-01-30 12:51 ` Peter Stephenson [this message]
1999-01-30 18:04 ` Bart Schaefer
1999-01-30 18:27 ` Drazen Kacar
1999-01-30 20:41 ` Terminal initialization and (non-)interactive shells Bart Schaefer
1999-02-01 0:50 ` Drazen Kacar
1999-02-01 1:24 ` Bart Schaefer
1999-02-03 11:08 ` PATCH: 3.1.5-pws-6: ttys revisited Peter Stephenson
1999-01-30 13:29 ` PATCH: (more) Re: PATCH: 3.1.5* & 3.0.5: Re: strange xterm & zsh behaviour Drazen Kacar
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