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The integration test harness (ipc_integration.rs and module_host_sandbox.rs) tore down spawned breadd instances via Child::kill() (SIGKILL). Since breadd's PodmanAdapter is enabled by default and the test breadd.toml fixtures didn't disable it, every test-spawned daemon on a machine with podman installed ran a real `podman events --format json` child. SIGKILL gives breadd zero chance to run its own graceful shutdown path (wait_for_shutdown -> adapter tasks dropping -> kill_on_drop firing on that child), so it was orphaned and reparented to init on every single test run instead. A day of repeated `cargo test --workspace` runs during today's workstream development left 1,559 such orphaned processes consuming 76.8GB of RSS system-wide, found and cleaned up separately. Fix is two-layered: disable the podman adapter in both harnesses' breadd.toml fixtures (tests don't need real container-lifecycle watching, matching how hyprland/udev/power/network are already disabled there), and change TestHarness::drop to send SIGTERM with a bounded wait before falling back to SIGKILL, so breadd's own cleanup gets a real chance to run - defense in depth against any future adapter that spawns a subprocess. Verified: two full `cargo test --workspace` runs (282 tests) produce zero new podman events processes and zero leftover breadd/ bread-module-host processes. |
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| Cargo.toml | ||