1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
3 * This file is part of the LibreOffice project.
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6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
9 * This file incorporates work covered by the following license notice:
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
20 #include "pyuno_impl.hxx"
22 #include "sal/config.h"
24 #include "rtl/ref.hxx"
25 #include "salhelper/thread.hxx"
30 bool g_destructorsOfStaticObjectsHaveBeenCalled
;
31 class StaticDestructorGuard
34 ~StaticDestructorGuard()
36 g_destructorsOfStaticObjectsHaveBeenCalled
= true;
39 StaticDestructorGuard guard
;
41 static bool isAfterUnloadOrPy_Finalize()
43 return g_destructorsOfStaticObjectsHaveBeenCalled
||
47 class GCThread
: public salhelper::Thread
{
49 GCThread( PyInterpreterState
*interpreter
, PyObject
* object
);
52 virtual ~GCThread() {}
54 virtual void execute() override
;
57 PyInterpreterState
*mPyInterpreter
;
60 GCThread::GCThread( PyInterpreterState
*interpreter
, PyObject
* object
) :
61 Thread( "pyunoGCThread" ), mPyObject( object
),
62 mPyInterpreter( interpreter
)
65 void GCThread::execute()
67 // otherwise we crash here, when main has been left already
68 if( isAfterUnloadOrPy_Finalize() )
72 PyThreadAttach
g( mPyInterpreter
);
76 // remove the reference from the pythonobject2adapter map
77 PyRef2Adapter::iterator ii
=
78 runtime
.getImpl()->cargo
->mappedObjects
.find( mPyObject
);
79 if( ii
!= runtime
.getImpl()->cargo
->mappedObjects
.end() )
81 runtime
.getImpl()->cargo
->mappedObjects
.erase( ii
);
84 Py_XDECREF( mPyObject
);
87 catch( const css::uno::RuntimeException
& e
)
90 msg
= OUStringToOString( e
.Message
, RTL_TEXTENCODING_ASCII_US
);
91 fprintf( stderr
, "Leaking python objects bridged to UNO for reason %s\n",msg
.getStr());
95 void decreaseRefCount( PyInterpreterState
*interpreter
, PyObject
*object
)
97 // otherwise we crash in the last after main ...
98 if( isAfterUnloadOrPy_Finalize() )
101 // delegate to a new thread, because there does not seem
102 // to be a method, which tells, whether the global
103 // interpreter lock is held or not
104 // TODO: Look for a more efficient solution
105 rtl::Reference
< GCThread
>(new GCThread(interpreter
, object
))->launch();
106 //TODO: a protocol is missing how to join with the launched thread
107 // before exit(3), to ensure the thread is no longer relying on any
108 // infrastructure while that infrastructure is being shut down in
114 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */