void run_game_engine(void)
{
printf("Game Engine was started\n");
while (PyStackless_GetRunCount() > 0) {
/* note that we are not a tasklet in this context */
printf("Game is computing for 1 second.\n");
pysleep(1.0);
if (wrap(PyStackless_Schedule(Py_None, 0)))
return;
}
printf("Game Engine is shutting down.\n");
}
static PyObject *
schedule_generic(PyObject *self, PyObject *args, PyObject *kwds, int remove)
{
STACKLESS_GETARG();
PyObject *retval = (PyObject *) PyThreadState_GET()->st.current;
static char *argnames[] = {"retval", NULL};
if (PyTuple_GET_SIZE(args) > 0) {
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|O:schedule",
argnames, &retval))
return NULL;
}
STACKLESS_PROMOTE_ALL();
return PyStackless_Schedule(retval, remove);
}
static PyObject *
sleepInCpp(PyObject *self, PyObject *seconds)
{
double time_to_wait, wait_until;
time_to_wait = PyFloat_AsDouble(seconds);
if (PyErr_Occurred())
return NULL;
wait_until = pytime() + time_to_wait;
while (pytime() < wait_until) {
/* let other processes run */
printf("sleepInCpp activated\n");
if (wrap(PyStackless_Schedule(Py_None, 0)))
return NULL;
}
Py_INCREF(Py_None);
return Py_None;
}
PyObject *
PyStackless_Schedule_nr(PyObject *retval, int remove)
{
STACKLESS_PROPOSE_ALL();
return PyStackless_Schedule(retval, remove);
}
static PyObject *
slpmodule_reduce(PyObject *self)
{
return PyObject_GetAttrString(slp_module, "__name__");
}
/******************************************************
some test functions
******************************************************/
static char test_cframe__doc__[] =
"test_cframe(switches, words=0) -- a builtin testing function that does nothing\n\
but tasklet switching. The function will call PyStackless_Schedule() for switches\n\
times and then finish.\n\
If words is given, as many words will be allocated on the C stack.\n\
Usage: Create two tasklets for test_cframe and run them by run().\n\
\n\
t1 = tasklet(test_cframe)(500000)\n\
t2 = tasklet(test_cframe)(500000)\n\
run()\n\
This can be used to measure the execution time of 1.000.000 switches.";
/* we define the stack max as the typical recursion limit
* times the typical number of words per recursion.
* That is 1000 * 64
*/
#define STACK_MAX_USEFUL 64000
