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Avoids situations where the output might block
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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e.g. a usb-serial port
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Prevent multiple access to a serial port by using locking.
This is probably compatible with most serial port locking on Linux.
Perhaps on macosx.
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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Example of using the aio termios support
Signed-off-by: Steve Bennett <steveb@workware.net.au>
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