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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: pyuno_gc.cxx,v $
* $Revision: 1.6 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include <pyuno_impl.hxx>
#include <osl/thread.hxx>
namespace pyuno
{
bool g_destructorsOfStaticObjectsHaveBeenCalled;
class StaticDestructorGuard
{
public:
~StaticDestructorGuard()
{
g_destructorsOfStaticObjectsHaveBeenCalled = true;
}
};
StaticDestructorGuard guard;
static bool isAfterUnloadOrPy_Finalize()
{
return g_destructorsOfStaticObjectsHaveBeenCalled ||
!Py_IsInitialized();
}
class GCThread : public ::osl::Thread
{
PyObject *mPyObject;
PyInterpreterState *mPyInterpreter;
GCThread( const GCThread & ); // not implemented
GCThread &operator =( const GCThread & ); // not implemented
public:
GCThread( PyInterpreterState *interpreter, PyObject * object );
virtual void SAL_CALL run();
virtual void SAL_CALL onTerminated();
};
GCThread::GCThread( PyInterpreterState *interpreter, PyObject * object ) :
mPyObject( object ), mPyInterpreter( interpreter )
{}
void GCThread::run()
{
// otherwise we crash here, when main has been left already
if( isAfterUnloadOrPy_Finalize() )
return;
try
{
PyThreadAttach g( (PyInterpreterState*)mPyInterpreter );
{
Runtime runtime;
// remove the reference from the pythonobject2adapter map
PyRef2Adapter::iterator ii =
runtime.getImpl()->cargo->mappedObjects.find( mPyObject );
if( ii != runtime.getImpl()->cargo->mappedObjects.end() )
{
runtime.getImpl()->cargo->mappedObjects.erase( ii );
}
Py_XDECREF( mPyObject );
}
}
catch( com::sun::star::uno::RuntimeException & e )
{
rtl::OString msg;
msg = rtl::OUStringToOString( e.Message, RTL_TEXTENCODING_ASCII_US );
fprintf( stderr, "Leaking python objects bridged to UNO for reason %s\n",msg.getStr());
}
}
void GCThread::onTerminated()
{
delete this;
}
void decreaseRefCount( PyInterpreterState *interpreter, PyObject *object )
{
// otherwise we crash in the last after main ...
if( isAfterUnloadOrPy_Finalize() )
return;
// delegate to a new thread, because there does not seem
// to be a method, which tells, whether the global
// interpreter lock is held or not
// TODO: Look for a more efficient solution
osl::Thread *t = new GCThread( interpreter, object );
t->create();
}
}
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