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// **********************************************************************
//
// Copyright (c) 2003-present ZeroC, Inc. All rights reserved.
//
// **********************************************************************
#include <Thread.h>
using namespace std;
using namespace IcePy;
IcePy::AllowThreads::AllowThreads()
{
_state = PyEval_SaveThread();
}
IcePy::AllowThreads::~AllowThreads()
{
PyEval_RestoreThread(_state);
}
IcePy::AdoptThread::AdoptThread()
{
_state = PyGILState_Ensure();
}
IcePy::AdoptThread::~AdoptThread()
{
PyGILState_Release(_state);
}
IcePy::ThreadHook::ThreadHook(PyObject* threadNotification, PyObject* threadStart, PyObject* threadStop) :
_threadNotification(threadNotification), _threadStart(threadStart), _threadStop(threadStop)
{
if(threadNotification)
{
if(!PyObject_HasAttrString(threadNotification, STRCAST("start")) ||
!PyObject_HasAttrString(threadNotification, STRCAST("stop")))
{
throw Ice::InitializationException(__FILE__, __LINE__,
"threadNotification object must have 'start' and 'stop' methods");
}
}
if(threadStart && !PyCallable_Check(threadStart))
{
throw Ice::InitializationException(__FILE__, __LINE__, "threadStart must be a callable");
}
if(threadStop && !PyCallable_Check(threadStop))
{
throw Ice::InitializationException(__FILE__, __LINE__, "threadStop must be a callable");
}
Py_XINCREF(threadNotification);
Py_XINCREF(threadStart);
Py_XINCREF(threadStop);
}
void
IcePy::ThreadHook::start()
{
AdoptThread adoptThread; // Ensure the current thread is able to call into Python.
if(_threadNotification.get())
{
PyObjectHandle tmp = PyObject_CallMethod(_threadNotification.get(), STRCAST("start"), 0);
if(!tmp.get())
{
throwPythonException();
}
}
if(_threadStart.get())
{
PyObjectHandle args = PyTuple_New(0);
PyObjectHandle tmp = PyObject_Call(_threadStart.get(), args.get(), 0);
if(!tmp.get())
{
throwPythonException();
}
}
}
void
IcePy::ThreadHook::stop()
{
AdoptThread adoptThread; // Ensure the current thread is able to call into Python.
if(_threadNotification.get())
{
PyObjectHandle tmp = PyObject_CallMethod(_threadNotification.get(), STRCAST("stop"), 0);
if(!tmp.get())
{
throwPythonException();
}
}
if(_threadStop.get())
{
PyObjectHandle args = PyTuple_New(0);
PyObjectHandle tmp = PyObject_Call(_threadStop.get(), args.get(), 0);
if(!tmp.get())
{
throwPythonException();
}
}
}
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