1 // Copyright (C) 2007-2024 CEA, EDF, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
22 // File : PyInterp_Request.h
23 // Author : Sergey Anikin (OPEN CASCADE S.A.S.), Adrien Bruneton (CEA/DEN)
25 #ifndef PYINTERP_REQUEST_H
26 #define PYINTERP_REQUEST_H
29 #include "PyInterp_Event.h"
34 class PyInterp_Interp;
37 \class PyInterp_Request
38 \brief Base Python interpreter request; does not not acquire GIL during execution.
40 class PYINTERP_EXPORT PyInterp_Request
42 friend class PyInterp_Dispatcher;
46 PyInterp_Request( const PyInterp_Request& );
49 // protected destructor - to control deletion of requests
50 virtual ~PyInterp_Request() {};
54 PyInterp_Request( QObject* listener, bool sync = true )
55 : myIsSync( sync ), myListener( listener ) {};
58 static void Destroy( PyInterp_Request* );
60 // Returns true if this request should be processed synchronously,
61 // without putting it to a queue
62 bool IsSync() const { return myIsSync; }
65 // Performs safe execution of the request
66 virtual void safeExecute();
68 // Should be redefined in successors, contains actual request code
69 virtual void execute() = 0;
71 // This method can be overridden to customize notification event creation
72 virtual QEvent* createEvent();
74 virtual void processEvent( QObject* );
76 // Provide access to the listener of this request
77 QObject* listener() const { return myListener; }
78 void setListener( QObject* );
81 // Process request, invoked from Dispatcher
91 \class PyInterp_LockRequest
92 \brief Python interpreter request; automatically acquires GIL during execution.
94 class PYINTERP_EXPORT PyInterp_LockRequest : public PyInterp_Request
98 PyInterp_LockRequest( PyInterp_Interp* interp, QObject* listener=0, bool sync=true )
99 : PyInterp_Request( listener, sync ), myInterp( interp )
104 PyInterp_Interp* getInterp() const { return myInterp; }
106 // Performs safe execution of the request
107 virtual void safeExecute();
110 PyInterp_Interp* myInterp;
113 #endif // PYINTERP_REQUEST_H