Hi Richard,
On 03/26/2016 10:58 AM, Richard Weinberger wrote:
> On Sun, Jan 10, 2016 at 6:13 AM, Peter Hurley <pe...@hurleysoftware.com>
> wrote:
>> Evaluate the conditions which prevent this tty being the controlling
>> terminal in one place, just before setting the controlling terminal.
>>
>> Signed-off-by: Peter Hurley <pe...@hurleysoftware.com>
>> ---
>> drivers/tty/tty_io.c | 17 ++++++++---------
>> 1 file changed, 8 insertions(+), 9 deletions(-)
>
> Peter,
>
> This commit breaks existing userspace.
> I noticed that on UserModeLinux with Debian Squeeze as userspace, getty does
> not
> give me a controlling tty upon login.
> It does not seem to happen on newer distros. But still this needs
> further investigation.
>
> Please me know what debug information you need.
Sorry about that; I hadn't considered the implications of UML console.
Can you test the blob below?
Regards,
Peter Hurley
--- >% ---
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 608beb6..a361c61 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -2158,7 +2157,9 @@ retry_open:
read_lock(&tasklist_lock);
spin_lock_irq(¤t->sighand->siglock);
noctty = (filp->f_flags & O_NOCTTY) ||
+#ifdef CONFIG_VT
device == MKDEV(TTY_MAJOR, 0) ||
+#endif
device == MKDEV(TTYAUX_MAJOR, 1) ||
(tty->driver->type == TTY_DRIVER_TYPE_PTY &&
tty->driver->subtype == PTY_TYPE_MASTER);
------------------------------------------------------------------------------
Transform Data into Opportunity.
Accelerate data analysis in your applications with
Intel Data Analytics Acceleration Library.
Click to learn more.
http://pubads.g.doubleclick.net/gampad/clk?id=278785351&iu=/4140
_______________________________________________
User-mode-linux-devel mailing list
User-mode-linux-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
