34 	int cfd[2];  member
49 	if (pipe(fds->cfd) == -1) {  in msg_open()
62 	CLOSEFD(fds->cfd[0]);  in msg_close()
63 	CLOSEFD(fds->cfd[1]);  in msg_close()
70 	CLOSEFD(fds->cfd[1]);  in msg_write_child()
78 	rv = read(fds->cfd[0], msg, len);  in msg_write_child()
89 	CLOSEFD(fds->cfd[0]);  in msg_write_parent()
92 	rv = write(fds->cfd[1], msg, len);  in msg_write_parent()
107 	CLOSEFD(fds->cfd[0]);  in msg_read_parent()
114 	rv = write(fds->cfd[1], msg, len);  in msg_read_parent()
124 	CLOSEFD(fds->cfd[1]);  in msg_read_child()
128 	rv = read(fds->cfd[0], msg, len);  in msg_read_child()