# libtmux::CommandRuntimeShutdown

- **Module:** libtmux
- **Package:** libtmux-cxx
- **Language:** C++
- **Kind:** struct
- **Source:** https://github.com/libtmux/libtmux-cxx/blob/85e8bd603a322dc32bb8b9aeb1a72bcf36945f1d/include/libtmux/async.hpp#L50
- **Page:** https://libtmux.org/reference/cxx/libtmux-commandruntimeshutdown/

Result obligations outstanding when the first close succeeded.

## Members

- `pending_results` (attribute) — Result obligations outstanding when the first close succeeded.
- `pending_observers` (attribute) — Observer obligations outstanding when the first close succeeded.
- `transports_stopped` (attribute) — Whether every owned child and transport thread retired.
- `safe_to_unload` (attribute) — True only when transports and pending work ended and no caller-side dispatch or discard, including callback-target teardown, remains active.
- `failure` (attribute) — The first runtime lifecycle failure; an operation may also carry it.