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- This patch fixes the issue that xterm compatible mode for input is not correctly set/unset in some situation such as: 1) cat is stopped by ctrl-c. 2) The window size is changed in less. In case 1), request_xterm_mode_input(true) is called in read(), however, cat is stopped without request_xterm_mode_input(false). In case 2), less uses longjmp in signal handler, therefore, corresponding request_xterm_mode_input(false) is not called if the SIGWINCH signal is sent within read(). With this patch, InterlockedExchange() is used instead of InterlockedIncrement/ Decrement().
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