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 76