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Locking

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from uwsgiconf.runtime.locking import lock

@lock()
def locked():
    """This function will be locked with default (0) lock."""
    ...

 # or

with lock(2):
    # Code under this context manager will be locked with lock 2.
    ...

Attributes

lock

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lock = Lock

Convenience alias for Lock.

Classes

Lock

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Lock(num: int = 0)

Locks related stuff.

Lock number 0 is always available. More locks need to be registered with .config.locking.set_basic_params(count=X) where X is the number of locks.

Note

The same lock should be released before next acquiring.

Can be used as context manager:

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.. code-block:: python

    with Lock():
        do()

Can de used as a decorator:

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.. code-block:: python

    @Lock()
    def do():
        pass

is_set 

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.is_set()

"Checks whether the lock is active.

ValueError For Spooler or invalid lock number

acquire

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.acquire()

Sets the lock.

ValueError For Spooler or invalid lock number

release

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.release()

Unlocks the lock.

ValueError For Spooler or invalid lock number