sock_attach_fd    407 net/socket.c   		int err = sock_attach_fd(sock, newfile, flags);
sock_attach_fd   1307 net/socket.c   	err = sock_attach_fd(sock1, newfile1, flags & O_NONBLOCK);
sock_attach_fd   1312 net/socket.c   	err = sock_attach_fd(sock2, newfile2, flags & O_NONBLOCK);
sock_attach_fd   1468 net/socket.c   	err = sock_attach_fd(newsock, newfile, flags & O_NONBLOCK);