gdb/terminal.h

   1 /* Terminal interface definitions for GDB, the GNU Debugger.
   2    Copyright (C) 1986-2015 Free Software Foundation, Inc.
   3
   4    This file is part of GDB.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  18
  19 #if !defined (TERMINAL_H)
  20 #define TERMINAL_H 1
  21
  22
  23 /* If we're using autoconf, it will define HAVE_TERMIOS_H,
  24    HAVE_TERMIO_H and HAVE_SGTTY_H for us.  One day we can rewrite
  25    ser-unix.c and inflow.c to inspect those names instead of
  26    HAVE_TERMIOS, HAVE_TERMIO and the implicit HAVE_SGTTY (when neither
  27    HAVE_TERMIOS or HAVE_TERMIO is set).  Until then, make sure that
  28    nothing has already defined the one of the names, and do the right
  29    thing.  */
  30
  31 #if !defined (HAVE_TERMIOS) && !defined(HAVE_TERMIO) && !defined(HAVE_SGTTY)
  32 #if defined(HAVE_TERMIOS_H)
  33 #define HAVE_TERMIOS
  34 #else /* ! defined (HAVE_TERMIOS_H) */
  35 #if defined(HAVE_TERMIO_H)
  36 #define HAVE_TERMIO
  37 #else /* ! defined (HAVE_TERMIO_H) */
  38 #if defined(HAVE_SGTTY_H)
  39 #define HAVE_SGTTY
  40 #endif /* ! defined (HAVE_SGTTY_H) */
  41 #endif /* ! defined (HAVE_TERMIO_H) */
  42 #endif /* ! defined (HAVE_TERMIOS_H) */
  43 #endif /* !defined (HAVE_TERMIOS) && !defined (HAVE_TERMIO) &&
  44           !defined (HAVE_SGTTY) */
  45
  46 #if defined(HAVE_TERMIOS)
  47 #include <termios.h>
  48 #endif
  49
  50 #if !defined(_WIN32) && !defined (HAVE_TERMIOS)
  51
  52 /* Define a common set of macros -- BSD based -- and redefine whatever
  53    the system offers to make it look like that.  FIXME: serial.h and
  54    ser-*.c deal with this in a much cleaner fashion; as soon as stuff
  55    is converted to use them, can get rid of this crap.  */
  56
  57 #ifdef HAVE_TERMIO
  58
  59 #include <termio.h>
  60
  61 #undef TIOCGETP
  62 #define TIOCGETP TCGETA
  63 #undef TIOCSETN
  64 #define TIOCSETN TCSETA
  65 #undef TIOCSETP
  66 #define TIOCSETP TCSETAF
  67 #define TERMINAL struct termio
  68
  69 #else /* sgtty */
  70
  71 #include <fcntl.h>
  72 #include <sgtty.h>
  73 #include <sys/ioctl.h>
  74 #define TERMINAL struct sgttyb
  75
  76 #endif /* sgtty */
  77 #endif
  78
  79 struct inferior;
  80
  81 extern void new_tty_prefork (const char *);
  82
  83 extern void new_tty (void);
  84
  85 extern void new_tty_postfork (void);
  86
  87 extern void copy_terminal_info (struct inferior *to, struct inferior *from);
  88
  89 /* Do we have job control?  Can be assumed to always be the same within
  90    a given run of GDB.  In inflow.c.  */
  91 extern int job_control;
  92
  93 extern pid_t create_tty_session (void);
  94
  95 /* Set the process group of the caller to its own pid, or do nothing if
  96    we lack job control.  */
  97 extern int gdb_setpgid (void);
  98
  99 /* Set up a serial structure describing standard input.  In inflow.c.  */
 100 extern void initialize_stdin_serial (void);
 101
 102 extern int gdb_has_a_terminal (void);
 103
 104 extern void gdb_save_tty_state (void);
 105
 106 extern void set_initial_gdb_ttystate (void);
 107
 108 /* Set the process group of the caller to its own pid, or do nothing
 109    if we lack job control.  */
 110 extern int gdb_setpgid (void);
 111
 112 #endif /* !defined (TERMINAL_H) */