1 | |
2 | // |
3 | // This source file is part of appleseed. |
4 | // Visit http://appleseedhq.net/ for additional information and resources. |
5 | // |
6 | // This software is released under the MIT license. |
7 | // |
8 | // Copyright (c) 2012-2013 Esteban Tovagliari, Jupiter Jazz Limited |
9 | // Copyright (c) 2014-2017 Esteban Tovagliari, The appleseedhq Organization |
10 | // |
11 | // Permission is hereby granted, free of charge, to any person obtaining a copy |
12 | // of this software and associated documentation files (the "Software"), to deal |
13 | // in the Software without restriction, including without limitation the rights |
14 | // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
15 | // copies of the Software, and to permit persons to whom the Software is |
16 | // furnished to do so, subject to the following conditions: |
17 | // |
18 | // The above copyright notice and this permission notice shall be included in |
19 | // all copies or substantial portions of the Software. |
20 | // |
21 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
22 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
23 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
24 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
25 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
26 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
27 | // THE SOFTWARE. |
28 | // |
29 | |
30 | // Interface header. |
31 | #include "gillocks.h" |
32 | |
33 | ScopedGILLock::ScopedGILLock() |
34 | : m_threads_initialized(PyEval_ThreadsInitialized() ? true : false) |
35 | { |
36 | if (m_threads_initialized) |
37 | m_state = PyGILState_Ensure(); |
38 | } |
39 | |
40 | ScopedGILLock::~ScopedGILLock() |
41 | { |
42 | if (m_threads_initialized) |
43 | PyGILState_Release(m_state); |
44 | } |
45 | |
46 | ScopedGILUnlock::ScopedGILUnlock() |
47 | : m_threads_initialized(PyEval_ThreadsInitialized() ? true : false) |
48 | { |
49 | if (m_threads_initialized) |
50 | m_state = PyEval_SaveThread(); |
51 | } |
52 | |
53 | ScopedGILUnlock::~ScopedGILUnlock() |
54 | { |
55 | if (m_threads_initialized) |
56 | PyEval_RestoreThread(m_state); |
57 | } |
58 | |