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3a7f7d0be3
In bash I have the following terminal settings: ... $ stty speed 38400 baud; line = 0; -brkint -imaxbel iutf8 ... and then in gdb using the shell command likewise: ... (gdb) shell stty speed 38400 baud; line = 0; -brkint -imaxbel iutf8 (gdb) ... and likewise using a shell session: ... (gdb) shell $ stty speed 38400 baud; line = 0; -brkint -imaxbel iutf8 $ ... But in TUI, we get different settings (removed runaway indentation for readability): ... (gdb) shell sttyspeed 38400 baud; line = 0; min = 1; time = 0; -brkint -icrnl -imaxbel iutf8 -onlcr -icanon -echo (gdb) ... and consequently the shell is not really usable. This is PR tui/18215. The easiest way to fix this is to just temporarily leave TUI while in the shell, leaving the output of the commands in CLI mode, but that's a bit confusing. Fix this (as suggested in the PR) by restoring the initial terminal settings while in the shell command, such that also in TUI we have: ... (gdb) shell sttyspeed 38400 baud; line = 0; -brkint -imaxbel iutf8 (gdb) ... Tested on x86_64-linux. Reported-By: Doug Evans <dje@google.com> Approved-By: Tom Tromey <tom@tromey.com> Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=18215
62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
/* Terminal interface definitions for GDB, the GNU Debugger.
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Copyright (C) 1986-2025 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef GDB_TERMINAL_H
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#define GDB_TERMINAL_H
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#include "serial.h"
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struct inferior;
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extern void new_tty_prefork (std::string ttyname);
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extern void new_tty (void);
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extern void new_tty_postfork (void);
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extern void copy_terminal_info (struct inferior *to, struct inferior *from);
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/* Exchange the terminal info and state between inferiors A and B. */
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extern void swap_terminal_info (inferior *a, inferior *b);
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extern pid_t create_tty_session (void);
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/* Set up a serial structure describing standard input. In inflow.c. */
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extern void initialize_stdin_serial (void);
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extern void gdb_save_tty_state (void);
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/* Take a snapshot of our initial tty state before readline/ncurses
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have had a chance to alter it. */
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extern void set_initial_gdb_ttystate (void);
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/* Restore initial tty state. */
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extern void restore_initial_gdb_ttystate (void);
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/* An RAII-based object that saves the tty state, and then restores it again
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when this object is destroyed. */
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class scoped_gdb_ttystate
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{
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public:
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scoped_gdb_ttystate ();
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~scoped_gdb_ttystate ();
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private:
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serial_ttystate m_ttystate;
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};
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#endif /* GDB_TERMINAL_H */
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