gdb/serial.h

   1 /* Remote serial support interface definitions for GDB, the GNU Debugger.
   2    Copyright 1992 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 2 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, write to the Free Software
  18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20 #ifdef __GO32__
  21
  22 /* Then you use the asynctsr */
  23
  24 #else
  25 #ifdef HAVE_TERMIO
  26
  27 #include <termios.h>
  28 #include <unistd.h>
  29
  30 struct ttystate
  31 {
  32   int flags;                    /* Flags from fcntl F_GETFL */
  33   struct termios termios;       /* old tty driver settings */
  34 };
  35
  36 #else /* not HAVE_TERMIO */
  37
  38 #include <sgtty.h>
  39
  40 struct ttystate {
  41   int flags;                    /* Flags from fcntl F_GETFL */
  42   struct sgttyb sgttyb;         /* old tty driver settings */
  43 };
  44
  45 #endif /* not HAVE_TERMIO */
  46 #endif
  47 /* Return a sensible default name for a serial device, something which
  48    can be used as an argument to serial_open.  */
  49
  50 const char *serial_default_name PARAMS ((void));
  51
  52 /* Try to open the serial device "name", return 1 if ok, 0 if not.  */
  53
  54 int serial_open PARAMS ((const char *name));
  55
  56 /* Turn the port into raw mode.  */
  57
  58 void serial_raw PARAMS ((int fd, struct ttystate *oldstate));
  59
  60 /* Turn the port into normal mode.  */
  61
  62 void serial_normal PARAMS ((void));
  63
  64 /* Read one char from the serial device with <TO>-second timeout.
  65    Returns char if ok, else EOF, -2 for timeout, -3 for anything else  */
  66
  67 int serial_readchar PARAMS ((int to));
  68
  69 /* Set the baudrate to the decimal value supplied, and return 1, or fail and
  70    return 0.  */
  71
  72 int serial_setbaudrate PARAMS ((int rate));
  73
  74 /* Return the next rate in the sequence, or return 0 for failure.  */
  75
  76 /* Write some chars to the device, returns 0 for failure.  See errno for
  77    details. */
  78
  79 int serial_write PARAMS ((const char *str, int len));
  80
  81 /* Close the serial port */
  82
  83 void serial_close PARAMS ((void));
  84
  85 /* Restore the serial port to the state saved in oldstate */
  86
  87 void serial_restore PARAMS ((int desc, struct ttystate *oldstate));