binutils-gdb/gdb/python/py-continueevent.c
Tom Tromey db1337cc83 Change thread_to_thread_object to return a new reference
This changes thread_to_thread_object to return a new reference and
fixes up all the callers.

gdb/ChangeLog
2018-09-16  Tom Tromey  <tom@tromey.com>

	* python/python-internal.h (thread_to_thread_object): Change
	return type.
	* python/py-inferior.c (thread_to_thread_object): Return a new
	reference.
	(infpy_thread_from_thread_handle): Update.
	* python/py-infthread.c (gdbpy_selected_thread): Update.
	* python/py-stopevent.c (create_stop_event_object): Update.
	* python/py-threadevent.c (py_get_event_thread): Return a new
	reference.
	(py_get_event_thread): Update.
	* python/py-event.h (py_get_event_thread): Change return type.
	* python/py-continueevent.c (create_continue_event_object):
	Update.
2018-09-16 07:25:57 -06:00

59 lines
1.9 KiB
C

/* Python interface to inferior continue events.
Copyright (C) 2009-2018 Free Software Foundation, Inc.
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 "py-event.h"
#include "py-ref.h"
#include "gdbthread.h"
/* Create a gdb.ContinueEvent event. gdb.ContinueEvent is-a
gdb.ThreadEvent, and thread events can either be thread specific or
process wide. If gdb is running in non-stop mode then the event is
thread specific (in which case the PTID thread is included in the
event), otherwise it is process wide (in which case PTID is
ignored). In either case a new reference is returned. */
static gdbpy_ref<>
create_continue_event_object (ptid_t ptid)
{
gdbpy_ref<> py_thr = py_get_event_thread (ptid);
if (py_thr == nullptr)
return nullptr;
return create_thread_event_object (&continue_event_object_type,
py_thr.get ());
}
/* Callback function which notifies observers when a continue event occurs.
This function will create a new Python continue event object.
Return -1 if emit fails. */
int
emit_continue_event (ptid_t ptid)
{
if (evregpy_no_listeners_p (gdb_py_events.cont))
return 0;
gdbpy_ref<> event = create_continue_event_object (ptid);
if (event != NULL)
return evpy_emit_event (event.get (), gdb_py_events.cont);
return -1;
}