def getworker(cls):
with cls._worker_lock:
if cls._worker is not None:
return cls._worker
import devsup.hooks
T = Worker(max=cls.queuelength)
devsup.hooks.addHook('AtIocExit', T.join)
T.start()
cls._worker = T
return T
def __init__(self, name):
super(UnitWorker,self).__init__()
self.name = name
self.scan = IOScanListThread()
self.scan.force = 0
self.worker = Worker()
addHook('AfterIocRunning', self.worker.start)
addHook('AtIocExit', self.worker.join)
def __init__(self, rec, link):
self.rec, self.link = rec, link
if self.worker is None:
from devsup.util import Worker
self.worker = Worker(max=1)
@initHook('AtIocExit')
def _exit():
print 'stop worker for', rec.NAME
self.worker.join()
self.worker.start()
assert self.worker is not None, "Offload requires a worker thread"
I = []
for fld, name in self.inputs.items():
F = rec.field(fld)
I.append((fld, name, F.fieldinfo()[2] != 1))
O = list(self.outputs.items())
self._inputs, self._outputs = I, O