# libtmux::CommandRuntimeShutdown::safe_to_unload

- **Module:** libtmux::CommandRuntimeShutdown
- **Package:** libtmux-cxx
- **Language:** C++
- **Kind:** attribute
- **Source:** https://github.com/libtmux/libtmux-cxx/blob/85e8bd603a322dc32bb8b9aeb1a72bcf36945f1d/include/libtmux/async.hpp#L58
- **Page:** https://libtmux.org/reference/cxx/libtmux-commandruntimeshutdown-safe_to_unload/

True only when transports and pending work ended and no caller-side dispatch or discard, including callback-target teardown, remains active.

Callers must prevent concurrent or later runtime entry before unloading.