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/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the 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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