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Title: Fix signal handler after fork by youknowone · Pull Request #7012 · RustPython/RustPython · GitHub

Open Graph Title: Fix signal handler after fork by youknowone · Pull Request #7012 · RustPython/RustPython

X Title: Fix signal handler after fork by youknowone · Pull Request #7012 · RustPython/RustPython

Description: Summary by CodeRabbit Internal Changes Improved lazy initialization and thread-safety of signal handler storage. Signal APIs now enforce main-thread-only usage and will raise an error when invoked from non-main threads. After fork, the child process ensures signal handler state is initialized for the child’s main thread, avoiding missing handler state.

Open Graph Description: Summary by CodeRabbit Internal Changes Improved lazy initialization and thread-safety of signal handler storage. Signal APIs now enforce main-thread-only usage and will raise an error when invoke...

X Description: Summary by CodeRabbit Internal Changes Improved lazy initialization and thread-safety of signal handler storage. Signal APIs now enforce main-thread-only usage and will raise an error when invoke...

Opengraph URL: https://github.com/RustPython/RustPython/pull/7012

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Fix signal handler after fork https://github.com/RustPython/RustPython/pull/7012/files#top
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bcb5a3d temp regrtest save_env patch youknowone Feb 5, 2026 https://github.com/RustPython/RustPython/pull/7012/commits/bcb5a3d4a88dc7f88fce8013e24ed425b8764ad4
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