| /* Handling of inferior events for the event loop for GDB, the GNU debugger. |
| Copyright (C) 1999-2021 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: |
| printf_unfiltered (_("Event type not recognized.\n")); |
| break; |
| } |
| } |