From 7a8c7a9d0b891dbb3fbe88f4738d7ae147c4400a Mon Sep 17 00:00:00 2001
From: Martin Brodbeck <martin@brodbeck-online.de>
Date: Wed, 7 Nov 2018 16:02:07 +0100
Subject: [PATCH] make sure that only one instance of the application runs

---
 src/gui/kima2.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/gui/kima2.cpp b/src/gui/kima2.cpp
index f286e66..3f4a259 100644
--- a/src/gui/kima2.cpp
+++ b/src/gui/kima2.cpp
@@ -7,6 +7,7 @@
 #include <QMessageBox>
 #include <QSettings>
 #include <QTranslator>
+#include <QSharedMemory>
 
 int main(int argc, char* argv[])
 {
@@ -16,6 +17,13 @@ int main(int argc, char* argv[])
     QCoreApplication::setOrganizationDomain("rustysoft.de");
     QCoreApplication::setApplicationName("kima2");
 
+    // Make sure that only one instance of the application runs
+    // Of course the uuid used here is unique to this application
+    QSharedMemory shared("26297455-946a-4607-bfb7-5025a5f1e136");
+    if (!shared.create(512, QSharedMemory::ReadWrite)) {
+        exit(0);
+    }
+
     QTranslator qTranslator;
     QLocale german(QLocale::German);
 #ifdef __linux__