gdb/python/py-threadevent.c - gdb

Functions defined

Source code

  1. /* Copyright (C) 2009-2015 Free Software Foundation, Inc.

  3.    This file is part of GDB.

  5.    This program is free software; you can redistribute it and/or modify
  6.    it under the terms of the GNU General Public License as published by
  7.    the Free Software Foundation; either version 3 of the License, or
  8.    (at your option) any later version.

  10.    This program is distributed in the hope that it will be useful,
  11.    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12.    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13.    GNU General Public License for more details.

  15.    You should have received a copy of the GNU General Public License
  16.    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

  18. #include "defs.h"
  19. #include "py-event.h"
  20. #include "infrun.h"

  22. /* thread events can either be thread specific or process wide.  If gdb is
  23.    running in non-stop mode then the event is thread specific, otherwise
  24.    it is process wide.
  25.    This function returns the currently stopped thread in non-stop mode and
  26.    Py_None otherwise.  In each case it returns a borrowed reference.  */

  28. static PyObject *get_event_thread (void)
  29.   CPYCHECKER_RETURNS_BORROWED_REF;

  31. static PyObject *
  32. ‌get_event_thread (void)
  33. {
  34.   PyObject *thread = NULL;

  36.   if (non_stop)
  37.     thread = (PyObject *) find_thread_object (inferior_ptid);
  38.   else
  39.     thread = Py_None;

  41.   if (!thread)
  42.     {
  43.       PyErr_SetString (PyExc_RuntimeError, "Could not find event thread");
  44.       return NULL;
  45.     }

  47.   return thread;
  48. }

  50. PyObject *
  51. ‌create_thread_event_object (PyTypeObject *py_type)
  52. {
  53.   PyObject *thread = NULL;
  54.   PyObject *thread_event_obj = NULL;

  56.   thread_event_obj = create_event_object (py_type);
  57.   if (!thread_event_obj)
  58.     goto fail;

  60.   thread = get_event_thread ();
  61.   if (!thread)
  62.     goto fail;

  64.   if (evpy_add_attribute (thread_event_obj,
  65.                           "inferior_thread",
  66.                           thread) < 0)
  67.     goto fail;

  69.   return thread_event_obj;

  71.   fail:
  72.    Py_XDECREF (thread_event_obj);
  73.    return NULL;
  74. }

  76. GDBPY_NEW_EVENT_TYPE (thread,
  77.                       "gdb.ThreadEvent",
  78.                       "ThreadEvent",
  79.                       "GDB thread event object",
  80.                       event_object_type,
  81.                       /*no qual*/);