1 /* Python interface to inferior exit events. 2 3 Copyright (C) 2009-2013 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 19 20 #include "defs.h" 21 #include "py-event.h" 22 23 static PyTypeObject exited_event_object_type; 24 25 static PyObject * 26 create_exited_event_object (const LONGEST *exit_code, struct inferior *inf) 27 { 28 PyObject *exited_event; 29 PyObject *inf_obj = NULL; 30 31 exited_event = create_event_object (&exited_event_object_type); 32 33 if (!exited_event) 34 goto fail; 35 36 if (exit_code) 37 { 38 PyObject *exit_code_obj = PyLong_FromLongLong (*exit_code); 39 int failed; 40 41 if (exit_code_obj == NULL) 42 goto fail; 43 44 failed = evpy_add_attribute (exited_event, "exit_code", 45 exit_code_obj) < 0; 46 Py_DECREF (exit_code_obj); 47 if (failed) 48 goto fail; 49 } 50 51 inf_obj = inferior_to_inferior_object (inf); 52 if (!inf_obj || evpy_add_attribute (exited_event, 53 "inferior", 54 inf_obj) < 0) 55 goto fail; 56 Py_DECREF (inf_obj); 57 58 return exited_event; 59 60 fail: 61 Py_XDECREF (inf_obj); 62 Py_XDECREF (exited_event); 63 return NULL; 64 } 65 66 /* Callback that is used when an exit event occurs. This function 67 will create a new Python exited event object. */ 68 69 int 70 emit_exited_event (const LONGEST *exit_code, struct inferior *inf) 71 { 72 PyObject *event; 73 74 if (evregpy_no_listeners_p (gdb_py_events.exited)) 75 return 0; 76 77 event = create_exited_event_object (exit_code, inf); 78 79 if (event) 80 return evpy_emit_event (event, gdb_py_events.exited); 81 82 return -1; 83 } 84 85 86 GDBPY_NEW_EVENT_TYPE (exited, 87 "gdb.ExitedEvent", 88 "ExitedEvent", 89 "GDB exited event object", 90 event_object_type, 91 static); 92