copy_fds         7873 eval.c         	    copy_fds(&readfds, &th->readfds, th->fd);
copy_fds         7874 eval.c         	    copy_fds(&writefds, &th->writefds, th->fd);
copy_fds         7875 eval.c         	    copy_fds(&exceptfds, &th->exceptfds, th->fd);