G cluster_launch Launch cluster_spawn_holder cluster_launch_spawn child.spawn cluster_launch_outputs launch_pull pull launch_stdin_recv_push push launch_pull->launch_stdin_recv_push launch_stdin_recv_pull pull:stdin launch_stdin_recv_push->launch_stdin_recv_pull launch_stdout_send_pull pull:stdout launch_stdin_recv_pull->launch_stdout_send_pull launch_stderr_send_pull pull:stdout launch_stdin_recv_pull->launch_stderr_send_pull launch_stdout_recv_push push launch_stdout_send_pull->launch_stdout_recv_push launch_stderr_recv_push push launch_stderr_send_pull->launch_stderr_recv_push launch_exit_send_push push:exit launch_exit_outer launch_exit_send_push->launch_exit_outer launch_stderr_outer launch_stderr_recv_push->launch_stderr_outer launch_stdout_outer launch_stdout_recv_push->launch_stdout_outer launch_input launch_input->launch_pull