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feat: add a "sync" model that disables subprocesses #76

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feat: add a "sync" model that disables subprocesses #76

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20 changes: 15 additions & 5 deletions deadpool.py
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Original file line number Diff line number Diff line change
Expand Up @@ -212,6 +212,7 @@ def __init__(
shutdown_wait: Optional[bool] = None,
shutdown_cancel_futures: Optional[bool] = None,
daemon=True,
sync=False,
malloc_trim_rss_memory_threshold_bytes: Optional[int] = None,
) -> None:
super().__init__()
Expand Down Expand Up @@ -243,6 +244,7 @@ def __init__(
self.malloc_trim_rss_memory_threshold_bytes = (
malloc_trim_rss_memory_threshold_bytes
)
self.sync = sync

# TODO: overcommit
self.workers = SimpleQueue()
Expand Down Expand Up @@ -439,12 +441,20 @@ def submit(
raise PoolClosed("The pool is closed. No more tasks can be submitted.")

fut = Future()
self.submitted_jobs.put(
PrioritizedItem(
priority=deadpool_priority,
item=(__fn, args, kwargs, deadpool_timeout, fut),
if self.sync:
try:
result = __fn(*args, **kwargs)
except BaseException as e:
fut.set_exception(e)
else:
fut.set_result(result)
else:
self.submitted_jobs.put(
PrioritizedItem(
priority=deadpool_priority,
item=(__fn, args, kwargs, deadpool_timeout, fut),
)
)
)
return fut

def shutdown(self, wait: bool = True, *, cancel_futures: bool = False) -> None:
Expand Down
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