The last MSG_DONE from the receiver to the generator is now followed

by the stats.total_read value so that the generator can set its value
to that of the receiver.  This makes log_exit() log the right value
when we're on the server side.

io.c

@@ -288,13 +288,17 @@ static void read_msg_fd(void)
 
 	switch (tag) {
 	case MSG_DONE:
-		if (len != 0 || !am_generator) {
+		if (len < 0 || len > 1 || !am_generator) {
 		  invalid_msg:
 			rprintf(FERROR, "invalid message %d:%d [%s%s]\n",
 				tag, len, who_am_i(),
 				incremental ? "/incremental" : "");
 			exit_cleanup(RERR_STREAMIO);
 		}
+		if (len) {
+			readfd(fd, buf, len);
+			stats.total_read = read_longint(fd);
+		}
 		done_cnt++;
 		break;
 	case MSG_REDO:

main.c

@@ -727,7 +727,8 @@ static int do_recv(int f_in, int f_out, char *local_name)
 		io_flush(FULL_FLUSH);
 		handle_stats(f_in);
 
-		send_msg(MSG_DONE, "", 0);
+		send_msg(MSG_DONE, "", 1);
+		write_longint(error_pipe[1], stats.total_read);
 		io_flush(FULL_FLUSH);
 
 		/* Handle any keep-alive packets from the post-processing work