33 	int pfd[2];  member
47 	if (pipe(fds->pfd) == -1)  in msg_open()
50 		close(fds->pfd[0]);  in msg_open()
51 		close(fds->pfd[1]);  in msg_open()
60 	CLOSEFD(fds->pfd[0]);  in msg_close()
61 	CLOSEFD(fds->pfd[1]);  in msg_close()
71 	CLOSEFD(fds->pfd[0]);  in msg_write_child()
74 	rv = write(fds->pfd[1], msg, len);  in msg_write_child()
88 	CLOSEFD(fds->pfd[1]);  in msg_write_parent()
96 	rv = read(fds->pfd[0], msg, len);  in msg_write_parent()
106 	CLOSEFD(fds->pfd[1]);  in msg_read_parent()
110 	rv = read(fds->pfd[0], msg, len);  in msg_read_parent()
125 	CLOSEFD(fds->pfd[0]);  in msg_read_child()
132 	rv = write(fds->pfd[1], msg, len);  in msg_read_child()