From 01c78be9b858d54143a8f30542919982d723e2f3 Mon Sep 17 00:00:00 2001
From: nicm <nicm@openbsd.org>
Date: Fri, 12 Jun 2020 08:35:01 +0000
Subject: Check if a pane needs to be paused when output is written rather than
 just when it is queued.

---
 usr.bin/tmux/control.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'usr.bin/tmux/control.c')

diff --git a/usr.bin/tmux/control.c b/usr.bin/tmux/control.c
index 151ae909086..ca0b37d5230 100644
--- a/usr.bin/tmux/control.c
+++ b/usr.bin/tmux/control.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: control.c,v 1.41 2020/06/11 09:55:47 nicm Exp $ */
+/* $OpenBSD: control.c,v 1.42 2020/06/12 08:35:01 nicm Exp $ */
 
 /*
  * Copyright (c) 2012 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -569,6 +569,13 @@ control_write_pending(struct client *c, struct control_pane *cp, size_t limit)
 	}
 
 	while (used != limit && !TAILQ_EMPTY(&cp->blocks)) {
+		if (control_check_age(c, wp, cp)) {
+			if (message != NULL)
+				evbuffer_free(message);
+			message = NULL;
+			break;
+		}
+
 		cb = TAILQ_FIRST(&cp->blocks);
 		if (cb->t < t)
 			age = t - cb->t;
-- 
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