Alexandria  2.27.0
SDC-CH common library for the Euclid project
GIL.h
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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
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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 #ifndef PYSTON_GIL_H
20 #define PYSTON_GIL_H
21 
22 #include <Python.h>
23 
24 namespace Pyston {
25 
29 class GILLocker {
30 public:
31  GILLocker();
32 
33  ~GILLocker();
34 
35  static size_t getLockCount();
36 
37 protected:
38  PyGILState_STATE m_state;
39  friend class GILReleaser;
40 };
41 
45 class GILReleaser {
46 public:
47  explicit GILReleaser(PyGILState_STATE& state);
48 
49  explicit GILReleaser(GILLocker&);
50 
51  ~GILReleaser();
52 
53 protected:
54  PyGILState_STATE& m_state;
55 };
56 
57 class SaveThread {
58 public:
59  SaveThread();
60 
61  ~SaveThread();
62 
63 protected:
64  PyThreadState* m_state;
65 };
66 
67 } // end of namespace Pyston
68 
69 #endif // PYSTON_GIL_H
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