47 lines
1.1 KiB
Python
47 lines
1.1 KiB
Python
"""Helper threading perform all the threading operations."""
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from contextlib import contextmanager
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import threading
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try:
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import prctl
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except ImportError:
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def set_thread_name(name):
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"""Set the thread name for external use (visible from the OS)."""
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threading.current_thread().name = name
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else:
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def set_thread_name(name):
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"""Set a name for the thread for python internal use."""
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prctl.set_name(name)
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def _thread_name_hack(self):
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set_thread_name(self.name)
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threading.Thread.__bootstrap_original__(self)
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threading.Thread.__bootstrap_original__ = threading.Thread._Thread__bootstrap
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threading.Thread._Thread__bootstrap = _thread_name_hack
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class StoppableThread(object):
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def initStop(self):
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self.stop = threading.Event()
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self._stopped = False
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def stopThread(self):
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self._stopped = True
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self.stop.set()
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class BusyError(threading.ThreadError):
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pass
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@contextmanager
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def nonBlocking(lock):
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locked = lock.acquire(False)
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if not locked:
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raise BusyError
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try:
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yield
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finally:
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lock.release()
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