Allow setting PGID in std.process.Child.spawn #20556
Merged
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std.process.Child is a nice abstraction, and it could be nicer if it can set the process group ID, which is useful if we want to kill that process and all its descendants.
Please let me know if backward compatibility in Child.kill's signature should be broken, or a
killpgfunction should be added instead.Slightly relevant: should Child.kill let caller choose the signal?