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Locks

Classes

Locks

name 

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.name: str = ''

Name to represent the group.

plugin 

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.plugin: bool | str = False

Indication this option group belongs to a plugin.

lock_file

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.lock_file(
    fpath: Strpath,  # (1)!
    after_setup: bool = False,  # (2)!
    wait: bool = False,  # (3)!
)

  1. File path.

  2. True - after logging/daemon setup False - before starting

  3. True - wait if locked False - exit if locked

Locks the specified file.

set_basic_params

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.set_basic_params(
    count: int | None = None,  # (1)!
    thunder_lock: bool | None = None,  # (2)!
    lock_engine: str | None = None,  # (3)!
)

  1. Create the specified number of shared locks.

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

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

  3. Set the lock engine.

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    Example:
    - ipcsem

set_ipcsem_params

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.set_ipcsem_params(
    ftok: str | None = None,  # (1)!
    persistent: bool | None = None,  # (2)!
)

  1. Set the ipcsem key via ftok() for avoiding duplicates.

  2. Do not remove ipcsem's on shutdown.

Sets ipcsem lock engine params.