From: Eli Zaretskii <eliz@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: gdb mode with gdb command from the docker
Date: Wed, 21 Oct 2020 19:10:57 +0300 [thread overview]
Message-ID: <83imb3muem.fsf@gnu.org> (raw)
In-Reply-To: <m2lfg0zn8w.fsf@gmail.com> (message from William Xu on Tue, 20 Oct 2020 21:54:55 +0200)
> From: William Xu <william.xwl@gmail.com>
> Date: Tue, 20 Oct 2020 21:54:55 +0200
>
> I manage to make it work by disabling the gdb "-inferior-tty-set"
> command in gdb-inferior-io--init-proc.
>
> It seems that the problem is that, process.c::allocate_pty allocates a
> pseudo-terminal for the *host*, I can find the same tty name in /dev on
> the host. It then confuses the gdb command from the docker container.
>
> Is there any reason to call "-inferior-tty-set" commands here? Can we
> simply remove it?
No, this setting is needed to separate the I/O device of the process
being debugged from that of GDB, so that we could redirect I/O of the
debuggee to a dedicated buffer used by "M-x gdb" to show interaction
with the program.
next prev parent reply other threads:[~2020-10-21 16:10 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-18 15:08 gdb mode with gdb command from the docker William Xu
2020-10-18 15:57 ` Eli Zaretskii
2020-10-18 18:18 ` William Xu
2020-10-18 18:35 ` Eli Zaretskii
2020-10-20 19:54 ` William Xu
2020-10-21 16:10 ` Eli Zaretskii [this message]
2020-10-22 18:41 ` William Xu
2020-10-22 18:49 ` Eli Zaretskii
2020-10-22 19:27 ` William Xu
2020-10-18 18:48 ` Yuri Khan
2020-10-18 19:00 ` otadmor
2020-10-19 6:41 ` William Xu
2020-10-19 6:39 ` William Xu
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