From 40d787ab1276f191bcf030748a954d6708d83228 Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@swtch.com>
Date: Tue, 14 Jan 2020 18:05:51 -0500
Subject: libdraw: send hangup to process when window is lost

This matches the Plan 9 behavior a bit better.

Fixes #30.
---
 src/libdraw/mouse.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/libdraw')

diff --git a/src/libdraw/mouse.c b/src/libdraw/mouse.c
index 64a7f73d..382efae5 100644
--- a/src/libdraw/mouse.c
+++ b/src/libdraw/mouse.c
@@ -52,8 +52,12 @@ _ioproc(void *arg)
 	one = 1;
 	resized = 0;
 	for(;;){
-		if(_displayrdmouse(mc->display, &m, &resized) < 0)
+		if(_displayrdmouse(mc->display, &m, &resized) < 0) {
+			if(postnote(PNPROC, getpid(), "hangup") < 0)
+				fprint(2, "postnote: %r\n");
+			sleep(10*1000);
 			threadexitsall("mouse read error");
+		}
 		if(resized)
 			send(mc->resizec, &one);
 		send(mc->c, &m);
-- 
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