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/* Handling of inferior events for the event loop for GDB, the GNU debugger.
Copyright (C) 1999-2024 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 "exceptions.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 "ui.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 (false);
}
/* 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_error &e)
{
/* If the user was running a foreground execution
command, then propagate the error so that the prompt
can be re-enabled. 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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