Fixed a hang in the inc_recurse batch-reading code.

generator.c

@@ -1937,10 +1937,9 @@ void check_for_finished_files(int itemizing, enum logcode code, int check_redo)
 		if (first_flist->in_progress || first_flist->to_redo)
 			break;
 
-		if (!read_batch) {
-			write_ndx(sock_f_out, NDX_DONE);
+		write_ndx(sock_f_out, NDX_DONE);
+		if (!read_batch)
 			maybe_flush_socket(1);
-		}
 
 		if (delete_during == 2 || !dir_tweaking) {
 			/* Skip directory touch-up. */
@@ -2086,9 +2085,6 @@ void generate_files(int f_out, const char *local_name)
 		}
 	} while ((cur_flist = cur_flist->next) != NULL);
 
-	if (read_batch && inc_recurse)
-		write_ndx(f_out, NDX_DONE);
-
 	if (delete_during)
 		delete_in_dir(NULL, NULL, &dev_zero);
 	phase++;

receiver.c

@@ -387,15 +387,23 @@ static int we_want_redo(int desired_ndx)
 static int gen_wants_ndx(int desired_ndx)
 {
 	static int next_ndx = -1;
-	static BOOL got_eof = 0;
+	static int done_cnt = 0;
+	static BOOL got_eof = False;
+	int flist_num = first_flist->flist_num;
 
 	if (got_eof)
 		return 0;
 
 	while (next_ndx < desired_ndx) {
+		if (inc_recurse && flist_num <= done_cnt)
+			return 0;
 		if (next_ndx >= 0)
 			no_batched_update(next_ndx, False);
 		if ((next_ndx = read_int(batch_gen_fd)) < 0) {
+			if (inc_recurse) {
+				done_cnt++;
+				continue;
+			}
 			got_eof = True;
 			return 0;
 		}