2 files changed, 28 insertions, 2 deletions
diff --git a/src/network/kernel/qhostinfo.cpp b/src/network/kernel/qhostinfo.cpp
index 46123eb8a7..d2e61778ec 100644
--- a/src/network/kernel/qhostinfo.cpp
+++ b/src/network/kernel/qhostinfo.cpp
@@ -279,6 +279,27 @@ int QHostInfo::lookupHost(const QString &name, QObject *receiver,
 }
 
 /*!
+    \fn QHostInfo &QHostInfo::operator=(QHostInfo &&other)
+
+    Move-assigns \a other to this QHostInfo instance.
+
+    \note The moved-from object \a other is placed in a
+    partially-formed state, in which the only valid operations are
+    destruction and assignment of a new value.
+
+    \since 5.10
+*/
+
+/*!
+    \fn void QHostInfo::swap(QHostInfo &other)
+
+    Swaps host-info \other with this host-info. This operation is
+    very fast and never fails.
+
+    \since 5.10
+*/
+
+/*!
     \fn int QHostInfo::lookupHost(const QString &name, const QObject *receiver, PointerToMemberFunction function)
 
     \since 5.9
diff --git a/src/network/kernel/qhostinfo.h b/src/network/kernel/qhostinfo.h
index 4484d718bd..c5727bb6eb 100644
--- a/src/network/kernel/qhostinfo.h
+++ b/src/network/kernel/qhostinfo.h
@@ -63,8 +63,11 @@ public:
     explicit QHostInfo(int lookupId = -1);
     QHostInfo(const QHostInfo &d);
     QHostInfo &operator=(const QHostInfo &d);
+    QHostInfo &operator=(QHostInfo &&other) Q_DECL_NOTHROW { swap(other); return *this; }
     ~QHostInfo();
 
+    void swap(QHostInfo &other) Q_DECL_NOTHROW { qSwap(d, other.d); }
+
     QString hostName() const;
     void setHostName(const QString &name);
 
@@ -125,7 +128,7 @@ public:
                                           !std::is_same<const char *, Func>::value, int>::type
         lookupHost(const QString &name, Func slot)
     {
-        return lookupHost(name, nullptr, slot);
+        return lookupHost(name, nullptr, std::move(slot));
     }
 
     // lookupHost to a functor or function pointer (with context)
@@ -141,7 +144,7 @@ public:
 
         auto slotObj = new QtPrivate::QFunctorSlotObject<Func1, 1,
                                                          typename QtPrivate::List<QHostInfo>,
-                                                         void>(slot);
+                                                         void>(std::move(slot));
         return lookupHostImpl(name, context, slotObj);
     }
 #endif // Q_QDOC
@@ -154,6 +157,8 @@ private:
                               QtPrivate::QSlotObjectBase *slotObj);
 };
 
+Q_DECLARE_SHARED_NOT_MOVABLE_UNTIL_QT6(QHostInfo)
+
 QT_END_NAMESPACE
 
 Q_DECLARE_METATYPE(QHostInfo)