Module sync

Synchronization mechanisms based on the Python GIL.

With the acceptance of PEP 703 (aka a “freethreaded Python”) for Python 3.13, these are likely to undergo significant developments in the future.

Structs

GILOnceCell

A write-once primitive similar to std::sync::OnceLock<T>.

GILProtected

Value with concurrent access protected by the GIL.

Traits

OnceExt

Helper trait for Once to help avoid deadlocking when using a Once when attached to a Python thread.

OnceLockExt

interpreter and initialization with the OnceLock.

Functions

with_critical_section

Executes a closure with a Python critical section held on an object.