Hi everybody, We had a small discussion on the #qt-labs IRC channel about memory leaks earlier, and I'd like to get a feel from the community in general.
In QtQuick, QSGRenderLoop::instance() can create a QSGWindowsRenderLoop using new that it never destroys. The memory is always pointed to by a static member pointer, so it's never "lost" exactly, but the memory is never freed by Qt (but hopefully will be by any decent OS). Is this a bug? Should Qt libs bother freeing memory on exit, or is this an unnecessary expense? This issue is important to my company, because we use our own memory manager that complains loudly when memory is not freed, and we now have a ton of false positives from this series of allocations. In my experience, Qt has very few leaks-on-exit, so it seems like the de facto standard is to clean-up memory and not leave it to the OS, but maybe that's been a happy accident so far. Should Qt clean-up dynamically allocated reachable pointers, or is this useless / pointless work? Best regards, Alex
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