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 13:43:54 +0100 [thread overview]
Message-ID: <9901301244.AA63428@ibmth.df.unipi.it> (raw)
In-Reply-To: "Drazen Kacar"'s message of "Sat, 30 Jan 1999 06:54:41 NFT." <19990130065441.A25646@jagor.srce.hr>
Drazen Kacar wrote:
> Since I don't have the latest zsh development source tree, could you
> integrate this one in:
>
> #ifdef TIOCNXCL
> if(open("dev/tty", O_RDWR) < 0 && errno == EBUSY)
> ioctl(0, TIOCNXCL, 0);
> #endif
>
> That will unlock terminal device (at least on Solaris) and something
> should really do that (preferrably the shell). TIOCNXCL is defined in
> termios.h.
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.
--- Src/init.c.tiocnxcl Sat Jan 30 13:29:37 1999
+++ Src/init.c Sat Jan 30 13:42:31 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) < 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));
next prev parent reply other threads:[~1999-01-30 12:43 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 [this message]
1999-01-30 12:51 ` Peter Stephenson
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=9901301244.AA63428@ibmth.df.unipi.it \
--to=pws@ibmth.df.unipi.it \
--cc=dave@srce.hr \
--cc=zsh-workers@math.gatech.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.vuxu.org/mirror/zsh/
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).