From 96c7daa17f7db316419302c5bca7c3258c5a772b Mon Sep 17 00:00:00 2001
From: Christian Mollekopf <chrigi_1@fastmail.fm>
Date: Sun, 27 Dec 2015 11:26:37 +0100
Subject: Ensure the initialization of the TypeIndex is threadsafe.

Multiple initial queries can be running at the same time.
---
 common/domain/event.cpp  | 5 +++++
 common/domain/folder.cpp | 5 +++++
 common/domain/mail.cpp   | 5 +++++
 3 files changed, 15 insertions(+)

(limited to 'common/domain')

diff --git a/common/domain/event.cpp b/common/domain/event.cpp
index a348e65..18009fc 100644
--- a/common/domain/event.cpp
+++ b/common/domain/event.cpp
@@ -21,6 +21,8 @@
 #include <QVector>
 #include <QByteArray>
 #include <QString>
+#include <QMutex>
+#include <QMutexLocker>
 
 #include "../resultset.h"
 #include "../index.h"
@@ -33,10 +35,13 @@
 
 #include "event_generated.h"
 
+static QMutex sMutex;
+
 using namespace Akonadi2::ApplicationDomain;
 
 static TypeIndex &getIndex()
 {
+    QMutexLocker locker(&sMutex);
     static TypeIndex *index = 0;
     if (!index) {
         index = new TypeIndex("event");
diff --git a/common/domain/folder.cpp b/common/domain/folder.cpp
index 3cd221e..7934841 100644
--- a/common/domain/folder.cpp
+++ b/common/domain/folder.cpp
@@ -21,6 +21,8 @@
 #include <QVector>
 #include <QByteArray>
 #include <QString>
+#include <QMutex>
+#include <QMutexLocker>
 
 #include "../resultset.h"
 #include "../index.h"
@@ -33,10 +35,13 @@
 
 #include "folder_generated.h"
 
+static QMutex sMutex;
+
 using namespace Akonadi2::ApplicationDomain;
 
 static TypeIndex &getIndex()
 {
+    QMutexLocker locker(&sMutex);
     static TypeIndex *index = 0;
     if (!index) {
         index = new TypeIndex("folder");
diff --git a/common/domain/mail.cpp b/common/domain/mail.cpp
index a698b6d..8875d88 100644
--- a/common/domain/mail.cpp
+++ b/common/domain/mail.cpp
@@ -21,6 +21,8 @@
 #include <QVector>
 #include <QByteArray>
 #include <QString>
+#include <QMutex>
+#include <QMutexLocker>
 
 #include "../resultset.h"
 #include "../index.h"
@@ -33,10 +35,13 @@
 
 #include "mail_generated.h"
 
+static QMutex sMutex;
+
 using namespace Akonadi2::ApplicationDomain;
 
 static TypeIndex &getIndex()
 {
+    QMutexLocker locker(&sMutex);
     static TypeIndex *index = 0;
     if (!index) {
         index = new TypeIndex("mail");
-- 
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