| 1 | /* |
| 2 | * The MIT License (MIT) |
| 3 | * |
| 4 | * Copyright (c) 2016 Philippe Proulx <pproulx@efficios.com> |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | * THE SOFTWARE. |
| 23 | */ |
| 24 | |
| 25 | static void |
| 26 | trace_destroyed_listener(const bt_trace *trace, void *py_callable) |
| 27 | { |
| 28 | PyObject *py_trace_ptr = NULL; |
| 29 | PyObject *py_res = NULL; |
| 30 | |
| 31 | py_trace_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(trace), |
| 32 | SWIGTYPE_p_bt_trace, 0); |
| 33 | if (!py_trace_ptr) { |
| 34 | BT_LOGF_STR("Failed to create a SWIG pointer object."); |
| 35 | abort(); |
| 36 | } |
| 37 | |
| 38 | py_res = PyObject_CallFunction(py_callable, "(O)", py_trace_ptr); |
| 39 | if (py_res) { |
| 40 | BT_ASSERT(py_res == Py_None); |
| 41 | } else { |
| 42 | loge_exception("Trace's destruction listener (Python)", |
| 43 | BT_LOG_OUTPUT_LEVEL); |
| 44 | } |
| 45 | |
| 46 | Py_DECREF(py_trace_ptr); |
| 47 | Py_XDECREF(py_res); |
| 48 | } |
| 49 | |
| 50 | static |
| 51 | int bt_bt2_trace_add_destruction_listener(bt_trace *trace, |
| 52 | PyObject *py_callable, bt_listener_id *id) |
| 53 | { |
| 54 | bt_trace_add_listener_status status; |
| 55 | |
| 56 | BT_ASSERT(trace); |
| 57 | BT_ASSERT(py_callable); |
| 58 | status = bt_trace_add_destruction_listener( |
| 59 | trace, trace_destroyed_listener, py_callable, id); |
| 60 | if (status == __BT_FUNC_STATUS_OK) { |
| 61 | Py_INCREF(py_callable); |
| 62 | } |
| 63 | |
| 64 | return status; |
| 65 | } |