From 0be57355f912dbedb76cea1a7a4f9a1deb5bde2b Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@golang.org>
Date: Wed, 15 Jan 2020 11:59:45 -0500
Subject: devdraw: avoid deadlock in x11 resize

Fixes #347.
---
 src/cmd/devdraw/x11-inc.h    | 1 +
 src/cmd/devdraw/x11-screen.c | 2 ++
 2 files changed, 3 insertions(+)

(limited to 'src/cmd')

diff --git a/src/cmd/devdraw/x11-inc.h b/src/cmd/devdraw/x11-inc.h
index dca3ebcd..ab4c2505 100644
--- a/src/cmd/devdraw/x11-inc.h
+++ b/src/cmd/devdraw/x11-inc.h
@@ -17,6 +17,7 @@
 #include <X11/IntrinsicP.h>
 #include <X11/StringDefs.h>
 #ifdef SHOWEVENT
+#include <stdio.h>
 #include "../rio/showevent/ShowEvent.c"
 #endif
 
diff --git a/src/cmd/devdraw/x11-screen.c b/src/cmd/devdraw/x11-screen.c
index d01e8496..62f49f2f 100644
--- a/src/cmd/devdraw/x11-screen.c
+++ b/src/cmd/devdraw/x11-screen.c
@@ -1042,7 +1042,9 @@ _xreplacescreenimage(Client *client)
 	w->nextscreenpm = pixmap;
 	w->screenr = r;
 	client->mouserect = r;
+	xunlock();
 	gfx_replacescreenimage(client, m);
+	xlock();
 	return 1;
 }
 
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