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fix: windowwithtimeorcount thread unsafe #700

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fix: windowwithtimeorcount thread unsafe #700

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68 changes: 36 additions & 32 deletions reactivex/operators/_windowwithtimeorcount.py
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Original file line number Diff line number Diff line change
Expand Up @@ -39,49 +39,53 @@ def create_timer(_id: int):
timer_d.disposable = m

def action(scheduler: abc.SchedulerBase, state: Any = None):
nonlocal n, s, window_id
if _id != window_id:
return

n = 0
window_id += 1
new_id = window_id
s.on_completed()
s = Subject()
observer.on_next(add_ref(s, ref_count_disposable))
create_timer(new_id)
with source.lock:
nonlocal n, s, window_id
if _id != window_id:
return

n = 0
window_id += 1
new_id = window_id
s.on_completed()
s = Subject()
observer.on_next(add_ref(s, ref_count_disposable))
create_timer(new_id)

m.disposable = _scheduler.schedule_relative(timespan, action)

observer.on_next(add_ref(s, ref_count_disposable))
create_timer(0)

def on_next(x: _T) -> None:
nonlocal n, s, window_id
new_window = False
new_id = 0

s.on_next(x)
n += 1
if n == count:
new_window = True
n = 0
window_id += 1
new_id = window_id
s.on_completed()
s = Subject()
observer.on_next(add_ref(s, ref_count_disposable))

if new_window:
create_timer(new_id)
with source.lock:
nonlocal n, s, window_id
new_window = False
new_id = 0

s.on_next(x)
n += 1
if n == count:
new_window = True
n = 0
window_id += 1
new_id = window_id
s.on_completed()
s = Subject()
observer.on_next(add_ref(s, ref_count_disposable))

if new_window:
create_timer(new_id)

def on_error(e: Exception) -> None:
s.on_error(e)
observer.on_error(e)
with source.lock:
s.on_error(e)
observer.on_error(e)

def on_completed() -> None:
s.on_completed()
observer.on_completed()
with source.lock:
s.on_completed()
observer.on_completed()

group_disposable.add(
source.subscribe(on_next, on_error, on_completed, scheduler=scheduler_)
Expand Down