* assuan-socket-server.c (accept_connection_bottom): Save the pid of the peer if it is available. * assuan-socket-connect.c (assuan_socket_connect): Do not save the dummy SERVED_PID arg. * assuan-pipe-connect.c (do_finish): Don't wait if the pid is 0. (assuan_pipe_connect2): Store the parents pid in the environment of the child. * assuan-pipe-server.c (assuan_init_pipe_server): Initialize the peer's pid from the environment. * assuan-connect.c (assuan_get_pid): Do not return 0 as a PID.