binutils-gdb/gdb/python/py-exitedevent.c

92 lines
2.4 KiB
C

/* Python interface to inferior exit events.
Copyright (C) 2009-2015 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"
extern PyTypeObject exited_event_object_type
CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("event_object");
static PyObject *
create_exited_event_object (const LONGEST *exit_code, struct inferior *inf)
{
PyObject *exited_event;
PyObject *inf_obj = NULL;
exited_event = create_event_object (&exited_event_object_type);
if (!exited_event)
goto fail;
if (exit_code)
{
PyObject *exit_code_obj = PyLong_FromLongLong (*exit_code);
int failed;
if (exit_code_obj == NULL)
goto fail;
failed = evpy_add_attribute (exited_event, "exit_code",
exit_code_obj) < 0;
Py_DECREF (exit_code_obj);
if (failed)
goto fail;
}
inf_obj = inferior_to_inferior_object (inf);
if (!inf_obj || evpy_add_attribute (exited_event,
"inferior",
inf_obj) < 0)
goto fail;
Py_DECREF (inf_obj);
return exited_event;
fail:
Py_XDECREF (inf_obj);
Py_XDECREF (exited_event);
return NULL;
}
/* Callback that is used when an exit event occurs. This function
will create a new Python exited event object. */
int
emit_exited_event (const LONGEST *exit_code, struct inferior *inf)
{
PyObject *event;
if (evregpy_no_listeners_p (gdb_py_events.exited))
return 0;
event = create_exited_event_object (exit_code, inf);
if (event)
return evpy_emit_event (event, gdb_py_events.exited);
return -1;
}
GDBPY_NEW_EVENT_TYPE (exited,
"gdb.ExitedEvent",
"ExitedEvent",
"GDB exited event object",
event_object_type);