def test_spawn_locked(self):
l = RLock()
def set_v1():
with l:
self.v = 1
# check our setter works in isolation
assert self.v is None
self.do_spawn(set_v1).wait()
assert self.v == 1
# now do a long running task works
with l:
self.v = 2
assert self.v == 2
# start our thing that will be blocked, then sleep to make sure
# it can't do its thing
s = self.do_spawn(set_v1)
sleep(0.2)
assert self.v == 2
# now wait for the other to complete, and check it could
s.wait()
assert self.v == 1
def __init__(self, controller: Controller, field: str = None) -> None:
self.controller = controller
# Lock to control access to self.pv
self._lock = RLock()
self.field = field
self.pv: Optional[SharedPV] = None
self.value: Value = None
self.put_paths: Set[str] = set()
def __init__(self, controller, field=None):
# type: (Controller, str) -> None
self.controller = controller
# Lock to control access to self.pv
self._lock = RLock()
self.field = field
self.pv = None # type: Optional[SharedPV]
self.value = None # type: Value
self.put_paths = None # type: Set[str]
def test_spawn_unlocked(self):
l = RLock()
def set_v1():
self.v = 1
# check our setter works in isolation
self.do_spawn(set_v1).wait()
assert self.v == 1
# now do a long running task works
with l:
self.v = 2
assert self.v == 2
self.do_spawn(set_v1).wait()
assert self.v == 1
assert self.v == 1