Locks

class uwsgiconf.options.locks.Locks(*args, **kwargs)

Locks.

• http://uwsgi.readthedocs.io/en/latest/Locks.html

set_basic_params(*, count: int = None, thunder_lock: bool = None, lock_engine: str = None)

Parameters:

• count – Create the specified number of shared locks.
• thunder_lock –

  Serialize accept() usage (if possible) Could improve performance on Linux with robust pthread mutexes.

  http://uwsgi.readthedocs.io/en/latest/articles/SerializingAccept.html

• lock_engine –

  Set the lock engine.

  Example:

  • ipcsem

set_ipcsem_params(*, ftok: str = None, persistent: bool = None)

Sets ipcsem lock engine params.

Parameters:

• ftok – Set the ipcsem key via ftok() for avoiding duplicates.
• persistent – Do not remove ipcsem’s on shutdown.

lock_file(fpath: Union[str, pathlib.Path], *, after_setup: bool = False, wait: bool = False)

Locks the specified file.

Parameters:

• fpath – File path.
• after_setup – True - after logging/daemon setup False - before starting
• wait – True - wait if locked False - exit if locked