/* Definitions used by event-top.c, for GDB, the GNU debugger. Copyright (C) 1999-2020 Free Software Foundation, Inc. Written by Elena Zannoni <ezannoni@cygnus.com> of Cygnus Solutions. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef EVENT_TOP_H #define EVENT_TOP_H #include <signal.h> struct cmd_list_element; /* Exported functions from event-top.c. FIXME: these should really go into top.h. */ extern void display_gdb_prompt (const char *new_prompt); extern void gdb_setup_readline (int); extern void gdb_disable_readline (void); extern void async_init_signals (void); extern void change_line_handler (int); extern void command_line_handler (gdb::unique_xmalloc_ptr<char> &&rl); extern void command_handler (const char *command); #ifdef SIGTSTP extern void handle_sigtstp (int sig); #endif extern void handle_sigint (int sig); extern void handle_sigterm (int sig); extern void async_request_quit (void *arg); extern void stdin_event_handler (int error, void *client_data); extern void async_disable_stdin (void); extern void async_enable_stdin (void); /* Exported variables from event-top.c. FIXME: these should really go into top.h. */ extern bool set_editing_cmd_var; extern bool exec_done_display_p; extern struct prompts the_prompts; extern void (*after_char_processing_hook) (void); extern int call_stdin_event_handler_again_p; extern void gdb_readline_no_editing_callback (void *client_data); /* Wrappers for rl_callback_handler_remove and rl_callback_handler_install that keep track of whether the callback handler is installed in readline. Do not call the readline versions directly. */ extern void gdb_rl_callback_handler_remove (void); extern void gdb_rl_callback_handler_install (const char *prompt); /* Reinstall the readline callback handler (with no prompt), if not currently installed. */ extern void gdb_rl_callback_handler_reinstall (void); /* The SIGSEGV handler for this thread, or NULL if there is none. GDB always installs a global SIGSEGV handler, and then lets threads indicate their interest in handling the signal by setting this thread-local variable. */ extern thread_local void (*thread_local_segv_handler) (int); #endif