The posix side of the qemu guest agent uses fcntl() with the O_NONBLOCK arg. Without the availability of fcntl() on the Win32 side of things, I would like to see if I can come up with an equivalent mechanism for doing non-blocking reads and writes using the overlapped approach in ReadFile() and WriteFile().

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  • over 5 years ago: kallan originated Win32 non-blocking IO for qemu-ga

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