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[[!tag open_issue_gnumach]]

There currently is no kernel preemption in GNU Mach.

If GNU Mach were made a a preemptive kernel, using [[continuation]]s would
probably no longer make sense as the kernel itself, that is, kernel threads can
be preempted, and then their full state needs to be preserved.

See also [[service_solahart_jakarta_selatan__082122541663/multithreading]].