Alexandria 2.31.0
SDC-CH common library for the Euclid project
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GIL.cpp
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1/*
2 * Copyright (C) 2022 Euclid Science Ground Segment
3 *
4 * This library is free software; you can redistribute it and/or modify it under
5 * the terms of the GNU Lesser General Public License as published by the Free
6 * Software Foundation; either version 3.0 of the License, or (at your option)
7 * any later version.
8 *
9 * This library is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12 * details.
13 *
14 * You should have received a copy of the GNU Lesser General Public License
15 * along with this library; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19#include "Pyston/GIL.h"
20
21namespace Pyston {
22
23static size_t s_lock_count = 0;
24
26 if (Py_IsInitialized()) {
27 m_state = PyGILState_Ensure();
29 }
30}
31
33 if (Py_IsInitialized()) {
34 PyGILState_Release(m_state);
35 }
36}
37
39 return s_lock_count;
40}
41
42GILReleaser::GILReleaser(PyGILState_STATE& state) : m_state(state) {
43 PyGILState_Release(m_state);
44}
45
46GILReleaser::GILReleaser(GILLocker& locker) : m_state(locker.m_state) {
47 PyGILState_Release(m_state);
48}
49
51 m_state = PyGILState_Ensure();
53}
54
56 m_state = PyEval_SaveThread();
57}
58
60 PyEval_RestoreThread(m_state);
61}
62
63} // end of namespace Pyston
PyGILState_STATE m_state
Definition GIL.h:38
static size_t getLockCount()
Definition GIL.cpp:38
PyGILState_STATE & m_state
Definition GIL.h:54
GILReleaser(PyGILState_STATE &state)
Definition GIL.cpp:42
PyThreadState * m_state
Definition GIL.h:64
static size_t s_lock_count
Definition GIL.cpp:23