[utils] Use flock instead of lockf (Fixes #3621)
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@ -1141,10 +1141,10 @@ else:
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import fcntl
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import fcntl
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def _lock_file(f, exclusive):
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def _lock_file(f, exclusive):
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fcntl.lockf(f, fcntl.LOCK_EX if exclusive else fcntl.LOCK_SH)
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fcntl.flock(f, fcntl.LOCK_EX if exclusive else fcntl.LOCK_SH)
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def _unlock_file(f):
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def _unlock_file(f):
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fcntl.lockf(f, fcntl.LOCK_UN)
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fcntl.flock(f, fcntl.LOCK_UN)
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class locked_file(object):
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class locked_file(object):
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