gdb/event-top.h

   1 /* Definitions used by event-top.c, for GDB, the GNU debugger.
   2
   3    Copyright (C) 1999-2017 Free Software Foundation, Inc.
   4
   5    Written by Elena Zannoni <ezannoni@cygnus.com> of Cygnus Solutions.
   6
   7    This file is part of GDB.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  21
  22 #ifndef EVENT_TOP_H
  23 #define EVENT_TOP_H
  24
  25 struct cmd_list_element;
  26
  27 /* Exported functions from event-top.c.
  28    FIXME: these should really go into top.h.  */
  29
  30 extern void display_gdb_prompt (const char *new_prompt);
  31 extern void gdb_setup_readline (int);
  32 extern void gdb_disable_readline (void);
  33 extern void async_init_signals (void);
  34 extern void change_line_handler (int);
  35
  36 extern void command_line_handler (char *rl);
  37 extern void command_handler (char *command);
  38
  39 /* Signal to catch ^Z typed while reading a command: SIGTSTP or SIGCONT.  */
  40 #ifndef STOP_SIGNAL
  41 #include <signal.h>
  42 #ifdef SIGTSTP
  43 #define STOP_SIGNAL SIGTSTP
  44 extern void handle_stop_sig (int sig);
  45 #endif
  46 #endif
  47 extern void handle_sigint (int sig);
  48 extern void handle_sigterm (int sig);
  49 extern void async_request_quit (void *arg);
  50 extern void stdin_event_handler (int error, void *client_data);
  51 extern void async_disable_stdin (void);
  52 extern void async_enable_stdin (void);
  53
  54 /* Exported variables from event-top.c.
  55    FIXME: these should really go into top.h.  */
  56
  57 extern int set_editing_cmd_var;
  58 extern int exec_done_display_p;
  59 extern struct prompts the_prompts;
  60 extern void (*after_char_processing_hook) (void);
  61 extern int call_stdin_event_handler_again_p;
  62 extern void gdb_readline_no_editing_callback (void *client_data);
  63
  64 /* Wrappers for rl_callback_handler_remove and
  65    rl_callback_handler_install that keep track of whether the callback
  66    handler is installed in readline.  Do not call the readline
  67    versions directly.  */
  68 extern void gdb_rl_callback_handler_remove (void);
  69 extern void gdb_rl_callback_handler_install (const char *prompt);
  70
  71 /* Reinstall the readline callback handler (with no prompt), if not
  72    currently installed.  */
  73 extern void gdb_rl_callback_handler_reinstall (void);
  74
  75 #endif