3 files changed, 15 insertions, 0 deletions
diff --git a/src/corelib/thread/qatomic.cpp b/src/corelib/thread/qatomic.cpp
index d0e61a1cf6c..bcb92b384ae 100644
--- a/src/corelib/thread/qatomic.cpp
+++ b/src/corelib/thread/qatomic.cpp
@@ -316,6 +316,19 @@
 */
 
 /*!
+    \fn template <typename T> void QAtomicInteger<T>::refRelaxed()
+    \internal
+    Atomically increments the value of this QAtomicInteger.
+
+    In contrast to ref(), this uses relaxed semantics, which is
+    all that is needed for reference counting (together with deref's
+    acquire-release semantics).
+    It also doesn't return anything.
+
+    \sa deref(), operator++()
+*/
+
+/*!
     \fn template <typename T> T QAtomicInteger<T>::operator++()
     \since 5.3
 
diff --git a/src/corelib/thread/qatomic.h b/src/corelib/thread/qatomic.h
index 4fa4fcd2ff5..2e629735128 100644
--- a/src/corelib/thread/qatomic.h
+++ b/src/corelib/thread/qatomic.h
@@ -46,6 +46,7 @@ public:
     static constexpr bool isReferenceCountingWaitFree();
 
     bool ref();
+    void refRelaxed();
     bool deref();
 
     static constexpr bool isTestAndSetNative();
diff --git a/src/corelib/thread/qbasicatomic.h b/src/corelib/thread/qbasicatomic.h
index 43337648053..49e686a9de8 100644
--- a/src/corelib/thread/qbasicatomic.h
+++ b/src/corelib/thread/qbasicatomic.h
@@ -46,6 +46,7 @@ public:
     static constexpr bool isReferenceCountingWaitFree() noexcept { return Ops::isReferenceCountingWaitFree(); }
 
     bool ref() noexcept { return Ops::ref(_q_value); }
+    void refRelaxed() noexcept { Ops::fetchAndAddRelaxed(_q_value, 1); }
     bool deref() noexcept { return Ops::deref(_q_value); }
 
     static constexpr bool isTestAndSetNative() noexcept { return Ops::isTestAndSetNative(); }