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fe97fe9c AC |
1 | /* Definitions used by event-top.c, for GDB, the GNU debugger. |
2 | ||
1d506c26 | 3 | Copyright (C) 1999-2024 Free Software Foundation, Inc. |
fe97fe9c | 4 | |
c2c6d25f JM |
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 | |
a9762ec7 | 11 | the Free Software Foundation; either version 3 of the License, or |
c2c6d25f JM |
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 | |
a9762ec7 | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
c2c6d25f | 21 | |
fe97fe9c AC |
22 | #ifndef EVENT_TOP_H |
23 | #define EVENT_TOP_H | |
24 | ||
6aa899ce PA |
25 | #include <signal.h> |
26 | ||
da3331ec AC |
27 | struct cmd_list_element; |
28 | ||
0963b4bd | 29 | /* Exported functions from event-top.c. |
0af5533d | 30 | FIXME: these should really go into top.h. */ |
c2c6d25f | 31 | |
38bcc89d | 32 | extern void display_gdb_prompt (const char *new_prompt); |
3c216924 PA |
33 | extern void gdb_setup_readline (int); |
34 | extern void gdb_disable_readline (void); | |
27013564 | 35 | extern void gdb_init_signals (void); |
3c216924 | 36 | extern void change_line_handler (int); |
c2c6d25f | 37 | |
95bc9f0b | 38 | extern void command_line_handler (gdb::unique_xmalloc_ptr<char> &&rl); |
95a6b0a1 | 39 | extern void command_handler (const char *command); |
b69d38af | 40 | |
c2c6d25f | 41 | #ifdef SIGTSTP |
6aa899ce | 42 | extern void handle_sigtstp (int sig); |
c2c6d25f | 43 | #endif |
6aa899ce | 44 | |
c2c6d25f | 45 | extern void handle_sigint (int sig); |
a7266fef | 46 | extern void handle_sigterm (int sig); |
2acceee2 | 47 | extern void async_request_quit (void *arg); |
6426a772 | 48 | extern void async_disable_stdin (void); |
712af3be | 49 | extern void async_enable_stdin (void); |
c2c6d25f JM |
50 | |
51 | /* Exported variables from event-top.c. | |
0af5533d | 52 | FIXME: these should really go into top.h. */ |
c2c6d25f | 53 | |
491144b5 CB |
54 | extern bool set_editing_cmd_var; |
55 | extern bool exec_done_display_p; | |
c2c6d25f | 56 | extern struct prompts the_prompts; |
467d8519 | 57 | extern void (*after_char_processing_hook) (void); |
d64e57fa | 58 | extern int call_stdin_event_handler_again_p; |
c70061cf | 59 | extern void gdb_readline_no_editing_callback (void *client_data); |
fe97fe9c | 60 | |
d3d4baed PA |
61 | /* Wrappers for rl_callback_handler_remove and |
62 | rl_callback_handler_install that keep track of whether the callback | |
63 | handler is installed in readline. Do not call the readline | |
64 | versions directly. */ | |
65 | extern void gdb_rl_callback_handler_remove (void); | |
66 | extern void gdb_rl_callback_handler_install (const char *prompt); | |
67 | ||
68 | /* Reinstall the readline callback handler (with no prompt), if not | |
69 | currently installed. */ | |
70 | extern void gdb_rl_callback_handler_reinstall (void); | |
71 | ||
91395d97 AB |
72 | /* Called by readline after a complete line has been gathered from the |
73 | user, but before the line is dispatched to back to GDB. This function | |
74 | is a wrapper around readline's builtin rl_deprep_terminal function, and | |
75 | handles the case where readline received EOF. */ | |
76 | extern void gdb_rl_deprep_term_function (void); | |
77 | ||
fece451c CB |
78 | typedef void (*segv_handler_t) (int); |
79 | ||
80 | /* On construction, replaces the current thread's SIGSEGV handler with | |
81 | the provided one. On destruction, restores the handler to the | |
82 | original one. */ | |
83 | class scoped_segv_handler_restore | |
84 | { | |
85 | public: | |
86 | scoped_segv_handler_restore (segv_handler_t new_handler); | |
87 | ~scoped_segv_handler_restore (); | |
88 | ||
89 | private: | |
90 | segv_handler_t m_old_handler; | |
91 | }; | |
3b3978bc | 92 | |
fe97fe9c | 93 | #endif |