1/* Terminal interface definitions for GDB, the GNU Debugger.
2   Copyright (C) 1986, 1989, 1990, 1991, 1992, 1993, 1995, 1996, 1999, 2000,
3   2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
4
5   This file is part of GDB.
6
7   This program is free software; you can redistribute it and/or modify
8   it under the terms of the GNU General Public License as published by
9   the Free Software Foundation; either version 3 of the License, or
10   (at your option) any later version.
11
12   This program is distributed in the hope that it will be useful,
13   but WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   GNU General Public License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
19
20#if !defined (TERMINAL_H)
21#define TERMINAL_H 1
22
23
24/* If we're using autoconf, it will define HAVE_TERMIOS_H,
25   HAVE_TERMIO_H and HAVE_SGTTY_H for us.  One day we can rewrite
26   ser-unix.c and inflow.c to inspect those names instead of
27   HAVE_TERMIOS, HAVE_TERMIO and the implicit HAVE_SGTTY (when neither
28   HAVE_TERMIOS or HAVE_TERMIO is set).  Until then, make sure that
29   nothing has already defined the one of the names, and do the right
30   thing.  */
31
32#if !defined (HAVE_TERMIOS) && !defined(HAVE_TERMIO) && !defined(HAVE_SGTTY)
33#if defined(HAVE_TERMIOS_H)
34#define HAVE_TERMIOS
35#else /* ! defined (HAVE_TERMIOS_H) */
36#if defined(HAVE_TERMIO_H)
37#define HAVE_TERMIO
38#else /* ! defined (HAVE_TERMIO_H) */
39#if defined(HAVE_SGTTY_H)
40#define HAVE_SGTTY
41#endif /* ! defined (HAVE_SGTTY_H) */
42#endif /* ! defined (HAVE_TERMIO_H) */
43#endif /* ! defined (HAVE_TERMIOS_H) */
44#endif /* !defined (HAVE_TERMIOS) && !defined (HAVE_TERMIO) &&
45	  !defined (HAVE_SGTTY) */
46
47#if defined(HAVE_TERMIOS)
48#include <termios.h>
49#endif
50
51#if !defined(_WIN32) && !defined (HAVE_TERMIOS)
52
53/* Define a common set of macros -- BSD based -- and redefine whatever
54   the system offers to make it look like that.  FIXME: serial.h and
55   ser-*.c deal with this in a much cleaner fashion; as soon as stuff
56   is converted to use them, can get rid of this crap.  */
57
58#ifdef HAVE_TERMIO
59
60#include <termio.h>
61
62#undef TIOCGETP
63#define TIOCGETP TCGETA
64#undef TIOCSETN
65#define TIOCSETN TCSETA
66#undef TIOCSETP
67#define TIOCSETP TCSETAF
68#define TERMINAL struct termio
69
70#else /* sgtty */
71
72#include <fcntl.h>
73#include <sgtty.h>
74#include <sys/ioctl.h>
75#define TERMINAL struct sgttyb
76
77#endif /* sgtty */
78#endif
79
80struct inferior;
81
82extern void new_tty_prefork (const char *);
83
84extern void new_tty (void);
85
86extern void new_tty_postfork (void);
87
88extern void copy_terminal_info (struct inferior *to, struct inferior *from);
89
90/* Do we have job control?  Can be assumed to always be the same within
91   a given run of GDB.  In inflow.c.  */
92extern int job_control;
93
94extern pid_t create_tty_session (void);
95
96/* Set the process group of the caller to its own pid, or do nothing if
97   we lack job control.  */
98extern int gdb_setpgid (void);
99
100/* Set up a serial structure describing standard input.  In inflow.c.  */
101extern void initialize_stdin_serial (void);
102
103extern int gdb_has_a_terminal (void);
104
105/* Set the process group of the caller to its own pid, or do nothing
106   if we lack job control.  */
107extern int gdb_setpgid (void);
108
109#endif /* !defined (TERMINAL_H) */
110