1 // Copyright (C) 2021-2024 CEA, EDF
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
27 AutoGIL():_gstate(PyGILState_Ensure()) { }
28 ~AutoGIL() { PyGILState_Release(_gstate); }
30 PyGILState_STATE _gstate;
36 AutoPyRef(PyObject *pyobj=nullptr):_pyobj(pyobj) { }
37 ~AutoPyRef() { release(); }
38 AutoPyRef(const AutoPyRef& other):_pyobj(other._pyobj) { if(_pyobj) Py_XINCREF(_pyobj); }
39 AutoPyRef(AutoPyRef&& other) = default;
40 AutoPyRef& operator=(const AutoPyRef& other) { if(_pyobj==other._pyobj) return *this; release(); _pyobj=other._pyobj; Py_XINCREF(_pyobj); return *this; }
41 operator PyObject *() { return _pyobj; }
42 void set(PyObject *pyobj) { if(pyobj==_pyobj) return ; release(); _pyobj=pyobj; }
43 PyObject *get() { return _pyobj; }
44 bool isNull() const { return _pyobj==0; }
45 PyObject *retn() { if(_pyobj) Py_XINCREF(_pyobj); return _pyobj; }
47 void release() { if(_pyobj) Py_XDECREF(_pyobj); _pyobj=nullptr; }
49 PyObject *_pyobj = nullptr;
52 class AutoPyRefGilSafe : public AutoPyRef
55 AutoPyRefGilSafe(PyObject *pyobj=nullptr):AutoPyRef(pyobj) { }
56 ~AutoPyRefGilSafe() { AutoGIL agil; release(); }
62 PyThreadState *_save = nullptr;
64 AutoPyYielder() { _save = PyEval_SaveThread(); }
65 ~AutoPyYielder() { PyEval_RestoreThread(_save); }