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/* Terminal interface definitions for GDB, the GNU Debugger.
Copyright (C) 1986-2017 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#if !defined (TERMINAL_H)
#define TERMINAL_H 1
/* If we're using autoconf, it will define HAVE_TERMIOS_H,
HAVE_TERMIO_H and HAVE_SGTTY_H for us. One day we can rewrite
ser-unix.c and inflow.c to inspect those names instead of
HAVE_TERMIOS, HAVE_TERMIO and the implicit HAVE_SGTTY (when neither
HAVE_TERMIOS or HAVE_TERMIO is set). Until then, make sure that
nothing has already defined the one of the names, and do the right
thing. */
#if !defined (HAVE_TERMIOS) && !defined(HAVE_TERMIO) && !defined(HAVE_SGTTY)
#if defined(HAVE_TERMIOS_H)
#define HAVE_TERMIOS
#else /* ! defined (HAVE_TERMIOS_H) */
#if defined(HAVE_TERMIO_H)
#define HAVE_TERMIO
#else /* ! defined (HAVE_TERMIO_H) */
#if defined(HAVE_SGTTY_H)
#define HAVE_SGTTY
#endif /* ! defined (HAVE_SGTTY_H) */
#endif /* ! defined (HAVE_TERMIO_H) */
#endif /* ! defined (HAVE_TERMIOS_H) */
#endif /* !defined (HAVE_TERMIOS) && !defined (HAVE_TERMIO) &&
!defined (HAVE_SGTTY) */
#if defined(HAVE_TERMIOS)
#include <termios.h>
#endif
#if !defined(_WIN32) && !defined (HAVE_TERMIOS)
/* Define a common set of macros -- BSD based -- and redefine whatever
the system offers to make it look like that. FIXME: serial.h and
ser-*.c deal with this in a much cleaner fashion; as soon as stuff
is converted to use them, can get rid of this crap. */
#ifdef HAVE_TERMIO
#include <termio.h>
#undef TIOCGETP
#define TIOCGETP TCGETA
#undef TIOCSETN
#define TIOCSETN TCSETA
#undef TIOCSETP
#define TIOCSETP TCSETAF
#define TERMINAL struct termio
#else /* sgtty */
#include <fcntl.h>
#include <sgtty.h>
#include <sys/ioctl.h>
#define TERMINAL struct sgttyb
#endif /* sgtty */
#endif
struct inferior;
extern void new_tty_prefork (const char *);
extern void new_tty (void);
extern void new_tty_postfork (void);
extern void copy_terminal_info (struct inferior *to, struct inferior *from);
/* Do we have job control? Can be assumed to always be the same within
a given run of GDB. In inflow.c. */
extern int job_control;
extern pid_t create_tty_session (void);
/* Set the process group of the caller to its own pid, or do nothing if
we lack job control. */
extern int gdb_setpgid (void);
/* Set up a serial structure describing standard input. In inflow.c. */
extern void initialize_stdin_serial (void);
extern void gdb_save_tty_state (void);
/* Take a snapshot of our initial tty state before readline/ncurses
have had a chance to alter it. */
extern void set_initial_gdb_ttystate (void);
/* Set the process group of the caller to its own pid, or do nothing
if we lack job control. */
extern int gdb_setpgid (void);
#endif /* !defined (TERMINAL_H) */
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