Moving beyond fork() + exec()

▤ Summary

The article examines a Linux kernel proposal aimed at improving the costly fork()+exec() process pattern. It explains how spawn templates would cache executable setup details to speed repeated process launches. The proposal is not expected to be accepted in its current form, but it has sparked discussion about better process-creation APIs. Reviewers suggest building a future interface around pidfd and supporting posix_spawn() more cleanly in user space. The likely outcome is continued kernel design work rather than an immediate shipping feature.

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