[Libguestfs] [PATCH libnbd 6/7] python: Use free callback to free closure root.

Same as the previous commit, but for Python. --- generator/generator | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/generator/generator b/generator/generator index 109fad6..a0322ee 100755 --- a/generator/generator +++ b/generator/generator @@ -4315,9 +4315,6 @@ let print_python_binding name { args; optargs; ret; may_set_error } = ) cbargs; pr " }\n"; pr "\n"; - pr " if (valid_flag & LIBNBD_CALLBACK_FREE)\n"; - pr " Py_DECREF ((PyObject *)user_data);\n"; - pr "\n"; pr " return ret;\n"; pr "}\n"; pr "\n" @@ -4454,6 +4451,11 @@ let print_python_binding name { args; optargs; ret; may_set_error } = pr " PyErr_SetString (PyExc_TypeError,\n"; pr " \"callback parameter %s is not callable\");\n" cbname; pr " return NULL;\n"; + pr " }\n"; + pr " if (nbd_add_free_callback (h, %s_user_data,\n" cbname; + pr " decref, NULL) == -1) {\n"; + pr " PyErr_NoMemory ();\n"; + pr " return NULL;\n"; pr " }\n" | Enum _ -> () | Flags (n, _) -> pr " %s_u32 = %s;\n" n n @@ -4600,6 +4602,12 @@ let generate_python_methods_c () = pr "\n"; pr "#include <methods.h>\n"; pr "\n"; + pr "static void\n"; + pr "decref (void *ptr, void *user_data)\n"; + pr "{\n"; + pr " Py_DECREF (ptr);\n"; + pr "}\n"; + pr "\n"; List.iter ( fun (name, fn) -> print_python_binding name fn -- 2.22.0