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4212232c PP |
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); | |
6dbc1938 | 39 | if (!py_res) { |
64961f8b SM |
40 | logw_exception(BT_LOG_OUTPUT_LEVEL); |
41 | PyErr_Clear(); | |
6dbc1938 | 42 | goto end; |
4212232c PP |
43 | } |
44 | ||
6dbc1938 SM |
45 | BT_ASSERT(py_res == Py_None); |
46 | ||
47 | end: | |
4212232c PP |
48 | Py_DECREF(py_trace_ptr); |
49 | Py_XDECREF(py_res); | |
50 | } | |
51 | ||
52 | static | |
53 | int bt_bt2_trace_add_destruction_listener(bt_trace *trace, | |
54 | PyObject *py_callable, bt_listener_id *id) | |
55 | { | |
56 | bt_trace_add_listener_status status; | |
57 | ||
58 | BT_ASSERT(trace); | |
59 | BT_ASSERT(py_callable); | |
60 | status = bt_trace_add_destruction_listener( | |
61 | trace, trace_destroyed_listener, py_callable, id); | |
62 | if (status == __BT_FUNC_STATUS_OK) { | |
63 | Py_INCREF(py_callable); | |
64 | } | |
65 | ||
66 | return status; | |
67 | } |