1 /* Handling of inferior events for the event loop for GDB, the GNU debugger.
2 Copyright (C) 1999-2025 Free Software Foundation, Inc.
3 Written by Elena Zannoni <ezannoni@cygnus.com> of Cygnus Solutions.
5 This file is part of GDB.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
20 #include "exceptions.h"
23 #include "gdbsupport/event-loop.h"
24 #include "event-top.h"
28 #include "gdbthread.h"
32 #include "observable.h"
34 /* General function to handle events in the inferior. */
37 inferior_event_handler (enum inferior_event_type event_type
)
42 fetch_inferior_event ();
45 case INF_EXEC_COMPLETE
:
48 /* Unregister the inferior from the event loop. This is done
49 so that when the inferior is not running we don't get
50 distracted by spurious inferior output. */
51 if (target_has_execution () && target_can_async_p ())
55 /* Do all continuations associated with the whole inferior (not
56 a particular thread). */
57 if (inferior_ptid
!= null_ptid
)
58 current_inferior ()->do_all_continuations ();
60 /* When running a command list (from a user command, say), these
61 are only run when the command list is all done. */
62 if (current_ui
->async
)
64 check_frame_language_change ();
66 /* Don't propagate breakpoint commands errors. Either we're
67 stopping or some command resumes the inferior. The user will
73 catch (const gdb_exception_error
&e
)
75 /* If the user was running a foreground execution
76 command, then propagate the error so that the prompt
77 can be re-enabled. Otherwise, the user already has
78 the prompt and is typing some unrelated command, so
79 just inform the user and swallow the exception. */
80 if (current_ui
->prompt_state
== PROMPT_BLOCKED
)
83 exception_print (gdb_stderr
, e
);
89 gdb_printf (gdb_stderr
, _("Event type not recognized.\n"));