Source code for platform_driver.driver_locks

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from gevent.lock import BoundedSemaphore, DummySemaphore
from contextlib import contextmanager

_socket_lock = None

[docs]def configure_socket_lock(max_connections=0): global _socket_lock if _socket_lock is not None: raise RuntimeError("socket_lock already configured!") if max_connections < 1: _socket_lock = DummySemaphore() else: _socket_lock = BoundedSemaphore(max_connections)
[docs]@contextmanager def socket_lock(): global _socket_lock if _socket_lock is None: raise RuntimeError("socket_lock not configured!") _socket_lock.acquire() try: yield finally: _socket_lock.release()
_publish_lock = None
[docs]def configure_publish_lock(max_connections=0): global _publish_lock if _publish_lock is not None: raise RuntimeError("socket_lock already configured!") if max_connections < 1: _publish_lock = DummySemaphore() else: _publish_lock = BoundedSemaphore(max_connections)
[docs]@contextmanager def publish_lock(): global _publish_lock if _publish_lock is None: raise RuntimeError("socket_lock not configured!") _publish_lock.acquire() try: yield finally: _publish_lock.release()