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Restart read() and write() if signals occur before, or during with SA_RESTART Signed-off-by: Timothy Edward Baldwin <T.E.Baldwin99@members.leeds.ac.uk> Message-id: 1441497448-32489-15-git-send-email-T.E.Baldwin99@members.leeds.ac.uk [PMM: Update to new safe_syscall() convention of setting errno] Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Riku Voipio <riku.voipio@linaro.org>