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-rw-r--r--src/plugins/platforms/cocoa/qcocoahelpers.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoahelpers.h b/src/plugins/platforms/cocoa/qcocoahelpers.h
index 7810733255..bc0cd547cf 100644
--- a/src/plugins/platforms/cocoa/qcocoahelpers.h
+++ b/src/plugins/platforms/cocoa/qcocoahelpers.h
@@ -193,6 +193,19 @@ QT_NAMESPACE_ALIAS_OBJC_CLASS(QNSPanelContentsWrapper);
// -------------------------------------------------------------------------
+// QAppleRefCounted expects the retain function to return the object
+io_object_t q_IOObjectRetain(io_object_t obj);
+// QAppleRefCounted expects the release function to return void
+void q_IOObjectRelease(io_object_t obj);
+
+template <typename T>
+class QIOType : public QAppleRefCounted<T, io_object_t, q_IOObjectRetain, q_IOObjectRelease>
+{
+ using QAppleRefCounted<T, io_object_t, q_IOObjectRetain, q_IOObjectRelease>::QAppleRefCounted;
+};
+
+// -------------------------------------------------------------------------
+
// Depending on the ABI of the platform, we may need to use objc_msgSendSuper_stret:
// - http://www.sealiesoftware.com/blog/archive/2008/10/30/objc_explain_objc_msgSend_stret.html
// - https://lists.apple.com/archives/cocoa-dev/2008/Feb/msg02338.html