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Merged revisions 78610,78635 via svnmerge from 

svn+ssh://pythondev@svn.python.org/python/trunk

........
  r78610 | victor.stinner | 2010-03-03 01:43:44 +0100 (mer., 03 mars 2010) | 3 lines

  Issue #3299: fix thread.allocate_lock() error handler, replace PyObject_Del()
  by Py_DECREF() to fix a crash in pydebug mode.
........
  r78635 | victor.stinner | 2010-03-03 22:53:41 +0100 (mer., 03 mars 2010) | 5 lines

  Issue #3299: fix curses.panel.new_panel() error handler, replace PyObject_DEL()
  by Py_DECREF() to avoid a crash in pydebug mode.

  Use po->wo==NULL to detect than the panel is in the lop list or not.
........
This commit is contained in:
Victor Stinner 2010-03-21 13:13:07 +00:00
parent 0217c958f2
commit 27bf15ef8d
2 changed files with 17 additions and 13 deletions
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13
Modules/_curses_panel.c
View File

@ -178,12 +178,13 @@ PyCursesPanel_New(PANEL *pan, PyCursesWindowObject *wo)
po = PyObject_NEW(PyCursesPanelObject, &PyCursesPanel_Type);
if (po == NULL) return NULL;
po->pan = pan;
po->wo = wo;
Py_INCREF(wo);
if (insert_lop(po) < 0) {
PyObject_DEL(po);
po->wo = NULL;
Py_DECREF(po);
return NULL;
}
po->wo = wo;
Py_INCREF(wo);
return (PyObject *)po;
}
@ -191,8 +192,10 @@ static void
PyCursesPanel_Dealloc(PyCursesPanelObject *po)
{
(void)del_panel(po->pan);
Py_DECREF(po->wo);
remove_lop(po);
if (po->wo != NULL) {
Py_DECREF(po->wo);
remove_lop(po);
}
PyObject_DEL(po);
}

17
Modules/threadmodule.c
View File

@ -25,12 +25,13 @@ typedef struct {
static void
lock_dealloc(lockobject *self)
{
assert(self->lock_lock);
/* Unlock the lock so it's safe to free it */
PyThread_acquire_lock(self->lock_lock, 0);
PyThread_release_lock(self->lock_lock);
PyThread_free_lock(self->lock_lock);
if (self->lock_lock != NULL) {
/* Unlock the lock so it's safe to free it */
PyThread_acquire_lock(self->lock_lock, 0);
PyThread_release_lock(self->lock_lock);
PyThread_free_lock(self->lock_lock);
}
PyObject_Del(self);
}
@ -148,9 +149,9 @@ newlockobject(void)
return NULL;
self->lock_lock = PyThread_allocate_lock();
if (self->lock_lock == NULL) {
PyObject_Del(self);
self = NULL;
Py_DECREF(self);
PyErr_SetString(ThreadError, "can't allocate lock");
return NULL;
}
return self;
}