5 files changed, 31 insertions, 29 deletions
diff --git a/src/network/bearer/qbearerengine_p.h b/src/network/bearer/qbearerengine_p.h
index 5fc2578a78..a5a020a857 100644
--- a/src/network/bearer/qbearerengine_p.h
+++ b/src/network/bearer/qbearerengine_p.h
@@ -77,7 +77,7 @@ class Q_NETWORK_EXPORT QBearerEngine : public QObject
     friend class QNetworkConfigurationManagerPrivate;
 
 public:
-    explicit QBearerEngine(QObject *parent = 0);
+    explicit QBearerEngine(QObject *parent = nullptr);
     virtual ~QBearerEngine();
 
     virtual bool hasIdentifier(const QString &id) = 0;
diff --git a/src/network/bearer/qbearerplugin_p.h b/src/network/bearer/qbearerplugin_p.h
index 0cdde3c06c..ac787d0541 100644
--- a/src/network/bearer/qbearerplugin_p.h
+++ b/src/network/bearer/qbearerplugin_p.h
@@ -68,7 +68,7 @@ class Q_NETWORK_EXPORT QBearerEnginePlugin : public QObject
 {
     Q_OBJECT
 public:
-    explicit QBearerEnginePlugin(QObject *parent = 0);
+    explicit QBearerEnginePlugin(QObject *parent = nullptr);
     virtual ~QBearerEnginePlugin();
 
     virtual QBearerEngine *create(const QString &key) const = 0;
diff --git a/src/network/bearer/qnetworkconfiguration.h b/src/network/bearer/qnetworkconfiguration.h
index e7b74034fc..048abc2fc8 100644
--- a/src/network/bearer/qnetworkconfiguration.h
+++ b/src/network/bearer/qnetworkconfiguration.h
@@ -55,13 +55,11 @@ class Q_NETWORK_EXPORT QNetworkConfiguration
 public:
     QNetworkConfiguration();
     QNetworkConfiguration(const QNetworkConfiguration& other);
-#ifdef Q_COMPILER_RVALUE_REFS
-    QNetworkConfiguration &operator=(QNetworkConfiguration &&other) Q_DECL_NOTHROW { swap(other); return *this; }
-#endif
+    QNetworkConfiguration &operator=(QNetworkConfiguration &&other) noexcept { swap(other); return *this; }
     QNetworkConfiguration &operator=(const QNetworkConfiguration &other);
     ~QNetworkConfiguration();
 
-    void swap(QNetworkConfiguration &other) Q_DECL_NOTHROW { qSwap(d, other.d); }
+    void swap(QNetworkConfiguration &other) noexcept { qSwap(d, other.d); }
 
     bool operator==(const QNetworkConfiguration &other) const;
     inline bool operator!=(const QNetworkConfiguration &other) const
diff --git a/src/network/bearer/qsharednetworksession.cpp b/src/network/bearer/qsharednetworksession.cpp
index fc01acb8b4..af543f77e3 100644
--- a/src/network/bearer/qsharednetworksession.cpp
+++ b/src/network/bearer/qsharednetworksession.cpp
@@ -57,36 +57,30 @@ inline QSharedNetworkSessionManager* sharedNetworkSessionManager()
     return rv;
 }
 
-static void doDeleteLater(QObject* obj)
-{
-    obj->deleteLater();
-}
+struct DeleteLater {
+    void operator()(QObject* obj) const
+    {
+        obj->deleteLater();
+    }
+};
 
 QSharedPointer<QNetworkSession> QSharedNetworkSessionManager::getSession(const QNetworkConfiguration &config)
 {
-    QSharedNetworkSessionManager *m(sharedNetworkSessionManager());
-    const auto it = m->sessions.constFind(config);
+    QSharedNetworkSessionManager *m = sharedNetworkSessionManager();
+    auto &entry = m->sessions[config];
     //if already have a session, return it
-    if (it != m->sessions.cend()) {
-        QSharedPointer<QNetworkSession> p = it.value().toStrongRef();
-        if (!p.isNull())
-            return p;
-    }
+    if (auto p = entry.toStrongRef())
+        return p;
     //otherwise make one
-    QSharedPointer<QNetworkSession> session(new QNetworkSession(config), doDeleteLater);
-    m->sessions[config] = session;
+    QSharedPointer<QNetworkSession> session(new QNetworkSession(config), DeleteLater{});
+    entry = session;
     return session;
 }
 
 void QSharedNetworkSessionManager::setSession(const QNetworkConfiguration &config, QSharedPointer<QNetworkSession> session)
 {
-    QSharedNetworkSessionManager *m(sharedNetworkSessionManager());
-    m->sessions[config] = session;
-}
-
-uint qHash(const QNetworkConfiguration& config)
-{
-    return ((uint)config.type()) | (((uint)config.bearerType()) << 8) | (((uint)config.purpose()) << 16);
+    QSharedNetworkSessionManager *m = sharedNetworkSessionManager();
+    m->sessions[config] = std::move(session);
 }
 
 QT_END_NAMESPACE
diff --git a/src/network/bearer/qsharednetworksession_p.h b/src/network/bearer/qsharednetworksession_p.h
index 001b8af02a..f22f9eeacb 100644
--- a/src/network/bearer/qsharednetworksession_p.h
+++ b/src/network/bearer/qsharednetworksession_p.h
@@ -54,16 +54,26 @@
 #include <QtNetwork/private/qtnetworkglobal_p.h>
 #include "qnetworksession.h"
 #include "qnetworkconfiguration.h"
-#include <QHash>
 #include <QSharedPointer>
 #include <QWeakPointer>
 #include <QMutex>
 
+#include <unordered_map>
+
 #ifndef QT_NO_BEARERMANAGEMENT
 
 QT_BEGIN_NAMESPACE
 
-uint qHash(const QNetworkConfiguration& config);
+namespace QtPrivate {
+struct NetworkConfigurationHash {
+    using result_type = size_t;
+    using argument_type = QNetworkConfiguration;
+    size_t operator()(const QNetworkConfiguration &config) const noexcept
+    {
+        return std::hash<size_t>{}(size_t(config.type()) | (size_t(config.bearerType()) << 8) | (size_t(config.purpose()) << 16));
+    }
+};
+}
 
 class QSharedNetworkSessionManager
 {
@@ -71,7 +81,7 @@ public:
     static QSharedPointer<QNetworkSession> getSession(const QNetworkConfiguration &config);
     static void setSession(const QNetworkConfiguration &config, QSharedPointer<QNetworkSession> session);
 private:
-    QHash<QNetworkConfiguration, QWeakPointer<QNetworkSession> > sessions;
+    std::unordered_map<QNetworkConfiguration, QWeakPointer<QNetworkSession>, QtPrivate::NetworkConfigurationHash> sessions;
 };
 
 QT_END_NAMESPACE