[issue43390] Set the SA_ONSTACK in PyOS_setsig to play well with other VMs like Golang

[Gregory P. Smith]

Change by Gregory P. Smith <greg at krypto.org>:


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keywords: +patch
pull_requests: +23502
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/24730

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43390>
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