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- /* Handling of inferior events for the event loop for GDB, the GNU debugger.
- Copyright (C) 1999-2022 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/>. */
- #include "defs.h"
- #include "inferior.h"
- #include "infrun.h"
- #include "gdbsupport/event-loop.h"
- #include "event-top.h"
- #include "inf-loop.h"
- #include "remote.h"
- #include "language.h"
- #include "gdbthread.h"
- #include "interps.h"
- #include "top.h"
- #include "observable.h"
- /* General function to handle events in the inferior. */
- void
- inferior_event_handler (enum inferior_event_type event_type)
- {
- switch (event_type)
- {
- case INF_REG_EVENT:
- fetch_inferior_event ();
- break;
- case INF_EXEC_COMPLETE:
- if (!non_stop)
- {
- /* Unregister the inferior from the event loop. This is done
- so that when the inferior is not running we don't get
- distracted by spurious inferior output. */
- if (target_has_execution () && target_can_async_p ())
- target_async (0);
- }
- /* Do all continuations associated with the whole inferior (not
- a particular thread). */
- if (inferior_ptid != null_ptid)
- current_inferior ()->do_all_continuations ();
- /* When running a command list (from a user command, say), these
- are only run when the command list is all done. */
- if (current_ui->async)
- {
- check_frame_language_change ();
- /* Don't propagate breakpoint commands errors. Either we're
- stopping or some command resumes the inferior. The user will
- be informed. */
- try
- {
- bpstat_do_actions ();
- }
- catch (const gdb_exception &e)
- {
- /* If the user was running a foreground execution
- command, then propagate the error so that the prompt
- can be reenabled. Otherwise, the user already has
- the prompt and is typing some unrelated command, so
- just inform the user and swallow the exception. */
- if (current_ui->prompt_state == PROMPT_BLOCKED)
- throw;
- else
- exception_print (gdb_stderr, e);
- }
- }
- break;
- default:
- gdb_printf (gdb_stderr, _("Event type not recognized.\n"));
- break;
- }
- }
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