1 files changed, 6 insertions, 1 deletions
diff --git a/tmux-protocol.h b/tmux-protocol.h
index 08422291..3cf00c09 100644
--- a/tmux-protocol.h
+++ b/tmux-protocol.h
@@ -66,7 +66,8 @@ enum msgtype {
 	MSG_WRITE_OPEN,
 	MSG_WRITE,
 	MSG_WRITE_READY,
-	MSG_WRITE_CLOSE
+	MSG_WRITE_CLOSE,
+	MSG_READ_CANCEL
 };
 
 /*
@@ -92,6 +93,10 @@ struct msg_read_done {
 	int	error;
 };
 
+struct msg_read_cancel {
+	int	stream;
+};
+
 struct msg_write_open {
 	int	stream;
 	int	fd;