lib: strictly type function return status enumerations
[babeltrace.git] / src / bindings / python / bt2 / bt2 / native_bt_trace.i
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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
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25%include <babeltrace2/trace-ir/trace-const.h>
26%include <babeltrace2/trace-ir/trace.h>
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27
28%{
29static void
30trace_destroyed_listener(const bt_trace *trace, void *py_callable)
31{
32 PyObject *py_trace_ptr = NULL;
33 PyObject *py_res = NULL;
34
35 py_trace_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(trace),
36 SWIGTYPE_p_bt_trace, 0);
37 if (!py_trace_ptr) {
38 BT_LOGF_STR("Failed to create a SWIG pointer object.");
39 abort();
40 }
41
42 py_res = PyObject_CallFunction(py_callable, "(O)", py_trace_ptr);
43 if (py_res != NULL) {
44 BT_ASSERT(py_res == Py_None);
45 } else {
d24d5663 46 loge_exception();
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47 }
48
49 Py_DECREF(py_trace_ptr);
50 Py_XDECREF(py_res);
51}
52
d24d5663 53uint64_t bt_bt2_trace_add_destruction_listener(bt_trace *trace, PyObject *py_callable)
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54{
55 uint64_t id = UINT64_C(-1);
d24d5663 56 bt_trace_add_listener_status status;
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57
58 BT_ASSERT(trace);
59 BT_ASSERT(py_callable);
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60 status = bt_trace_add_destruction_listener(
61 trace, trace_destroyed_listener, py_callable, &id);
d24d5663 62 if (status != __BT_FUNC_STATUS_OK) {
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63 BT_LOGF_STR("Failed to add trace destruction listener.");
64 abort();
65 }
66
67 Py_INCREF(py_callable);
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68 return id;
69}
70%}
71
d24d5663 72uint64_t bt_bt2_trace_add_destruction_listener(bt_trace *trace,
6945df9a 73 PyObject *py_callable);
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