pub fn spawn_daemon(command: &mut Command) -> Result<DaemonChild>Expand description
Spawn command as a detached daemon. NUL stdio, sanitized handles,
no console window, ignores parent’s Ctrl-C / SIGINT (Windows:
CREATE_NEW_PROCESS_GROUP + DETACHED_PROCESS; Unix: setsid puts the
daemon in a new session so it’s not in the parent’s foreground group).
Use spawn_daemon_with_stdio when the daemon must write to stable
caller-owned files. Parent stdio and anonymous pipes remain unavailable
for detached children.