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Restore SIGTERM behavior to terminate subprocesses in multi-threaded augmenters #127

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Restore SIGTERM behavior to terminate subprocesses in multi-threaded augmenters #127

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4 changes: 4 additions & 0 deletions batchgenerators/dataloading/multi_threaded_augmenter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
import numpy as np
import sys
import logging
import signal
from multiprocessing import Event
from time import sleep, time
from threadpoolctl import threadpool_limits
Expand All @@ -32,6 +33,9 @@


def producer(queue, data_loader, transform, thread_id, seed, abort_event, wait_time: float = 0.02):
# Restore default SIGTERM handler to terminate the process
signal.signal(signal.SIGTERM, signal.SIG_DFL)

np.random.seed(seed)
data_loader.set_thread_id(thread_id)
item = None
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4 changes: 4 additions & 0 deletions batchgenerators/dataloading/nondet_multi_threaded_augmenter.py
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@
from queue import Queue as thrQueue
import numpy as np
import logging
import signal
from multiprocessing import Event
from time import sleep, time

Expand All @@ -37,6 +38,9 @@

def producer(queue: Queue, data_loader, transform, thread_id: int, seed,
abort_event: Event, wait_time: float = 0.02):
# Restore default SIGTERM handler to terminate the process
signal.signal(signal.SIGTERM, signal.SIG_DFL)

# the producer will set the abort event if something happens
with threadpool_limits(1, None):
np.random.seed(seed)
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