From 6ef7f746e45e761b2e97ad15ce6c88edcb394c05 Mon Sep 17 00:00:00 2001
From: Vitor Vieira <155513369+VitorVieiraZ@users.noreply.github.com>
Date: Fri, 9 Aug 2024 04:21:31 -0300
Subject: [PATCH] Optimize WFS layers handling on iOS (#3561)

* new environment variable for ios

* commenting issue
---
 app/main.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/app/main.cpp b/app/main.cpp
index 3ddf8356a..d0c35cd24 100644
--- a/app/main.cpp
+++ b/app/main.cpp
@@ -459,6 +459,11 @@ int main( int argc, char *argv[] )
   // See issue #3431 -> disable Android accessibility features to prevent ANRs
   qputenv( "QT_ANDROID_DISABLE_ACCESSIBILITY", "1" );
 #endif
+#ifdef Q_OS_IOS
+  // See issue #3561 -> WFS layers causing stress on iOS
+  qputenv( "QGIS_USE_SHARED_MEMORY_KEEP_ALIVE", "1" );
+  qDebug() <<  "Setting QGIS_USE_SHARED_MEMORY_KEEP_ALIVE environment variable TRUE";
+#endif
 
   // AppSettings has to be initialized after QGIS app init (because of correct reading/writing QSettings).
   AppSettings as;