def get_event(self, block=1):
while self.event_queue.empty():
while 1: # All hail Unix!
pyos_inputhook()
try:
self.push_char(os.read(self.input_fd, 1))
except (IOError, OSError), err:
if err.errno == errno.EINTR:
if not self.event_queue.empty():
return self.event_queue.get()
else:
continue
else:
raise
else:
break
if not block:
break
def test_pyos_inputhook(self):
module = self.import_extension('foo', [
("set_pyos_inputhook", "METH_NOARGS", '''
PyOS_InputHook = &my_callback;
Py_RETURN_NONE;
'''),
("fetch_value", "METH_NOARGS", '''
return PyInt_FromLong(my_flag);
'''),
],
prologue='''
static long my_flag = 0;
static int my_callback(void) { return ++my_flag; }
''')
try:
import __pypy__
except ImportError:
skip("only runs on top of pypy")
assert module.fetch_value() == 0
__pypy__.pyos_inputhook()
assert module.fetch_value() == 0
module.set_pyos_inputhook() # <= set
assert module.fetch_value() == 0
__pypy__.pyos_inputhook()
assert module.fetch_value() == 1
__pypy__.pyos_inputhook()
assert module.fetch_value() == 2
assert module.fetch_value() == 2