std::lifecycle

Status: unproven

Process readiness and graceful shutdown, with systemd sd_notify. Shutdown is observed, not dispatched: wait for it, then drain with ordinary statements - spawn(|| serve()), lifecycle::ready(), lifecycle::await_shutdown(), then the cleanup.

API details and source

The implementation source contains the complete declarations and implementation notes. The table below lists canonical Gossamer call signatures; every item name links directly to its implementation file.

Item	Canonical signature or declaration	Description
Lifecycle	type Lifecycle	Registers shutdown hooks, listens for SIGTERM / SIGINT, and notifies systemd.