cysignals

cysignals is a Python library designed for robust interrupt and signal handling within Cython code. It provides mechanisms to ensure that long-running Cython computations can be interrupted (e.g., via CTRL-C) and offers a Python interface for managing OS-level signal handlers and system calls like `pselect()` and `sigprocmask()`. The library is currently at version 1.12.6, actively maintained by the SageMath community, and receives regular updates to support newer Python and Cython versions.