process_subscribe adds an endpoint to a bounded, ref-counted subscriber table; every death posts the same badge encoding a supervisor's exit notification uses, equally late, so subscribers observe a fully-released child. A dying subscriber's own subscriptions are removed first — it never hears about itself. The VFS is the first subscriber: open handles now record their owner and are swept when the owner dies, because a service must never depend on clients cleaning up after themselves (docs/process-lifecycle.md). Proven by the vfs-client-death scenario. |
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| mmio | ||
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| xkeyboard-config | ||