| 1 | /* |
| 2 | * SPDX-License-Identifier: MIT |
| 3 | * |
| 4 | * Copyright (c) 2016 Philippe Proulx <pproulx@efficios.com> |
| 5 | */ |
| 6 | |
| 7 | static void |
| 8 | trace_destroyed_listener(const bt_trace *trace, void *py_callable) |
| 9 | { |
| 10 | PyObject *py_trace_ptr = NULL; |
| 11 | PyObject *py_res = NULL; |
| 12 | |
| 13 | py_trace_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(trace), |
| 14 | SWIGTYPE_p_bt_trace, 0); |
| 15 | if (!py_trace_ptr) { |
| 16 | BT_LOGF_STR("Failed to create a SWIG pointer object."); |
| 17 | bt_common_abort(); |
| 18 | } |
| 19 | |
| 20 | py_res = PyObject_CallFunction(py_callable, "(O)", py_trace_ptr); |
| 21 | if (!py_res) { |
| 22 | logw_exception_clear(BT_LOG_OUTPUT_LEVEL); |
| 23 | goto end; |
| 24 | } |
| 25 | |
| 26 | BT_ASSERT(py_res == Py_None); |
| 27 | |
| 28 | end: |
| 29 | Py_DECREF(py_trace_ptr); |
| 30 | Py_XDECREF(py_res); |
| 31 | } |
| 32 | |
| 33 | static |
| 34 | int bt_bt2_trace_add_destruction_listener(bt_trace *trace, |
| 35 | PyObject *py_callable, bt_listener_id *id) |
| 36 | { |
| 37 | bt_trace_add_listener_status status; |
| 38 | |
| 39 | BT_ASSERT(trace); |
| 40 | BT_ASSERT(py_callable); |
| 41 | status = bt_trace_add_destruction_listener( |
| 42 | trace, trace_destroyed_listener, py_callable, id); |
| 43 | if (status == __BT_FUNC_STATUS_OK) { |
| 44 | Py_INCREF(py_callable); |
| 45 | } |
| 46 | |
| 47 | return status; |
| 48 | } |