From fbbd48b35e53fb156b91715dae4aab9008533565 Mon Sep 17 00:00:00 2001
From: Pierre Ossman <ossman@cendio.se>
Date: Wed, 29 Mar 2017 13:27:32 +0200
Subject: [PATCH] Avoid leaking shared memory via X server

It's not enough that we detach from the shared memory, we must also
tell the X server to do so for it to be freed properly.
---
 vncviewer/PlatformPixelBuffer.cxx | 1 +
 1 file changed, 1 insertion(+)

diff --git a/vncviewer/PlatformPixelBuffer.cxx b/vncviewer/PlatformPixelBuffer.cxx
index 4802ba46..7b3f34a0 100644
--- a/vncviewer/PlatformPixelBuffer.cxx
+++ b/vncviewer/PlatformPixelBuffer.cxx
@@ -69,6 +69,7 @@ PlatformPixelBuffer::~PlatformPixelBuffer()
 #if !defined(WIN32) && !defined(__APPLE__)
   if (shminfo) {
     vlog.debug("Freeing shared memory XImage");
+    XShmDetach(fl_display, shminfo);
     shmdt(shminfo->shmaddr);
     shmctl(shminfo->shmid, IPC_RMID, 0);
     delete shminfo;
-- 
2.39.5