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9eaa579a01
tcsetattr checks if the VTIME and VMIN values changed and only calls SetCommTimeouts if so. That's a problem if tcsetattr is supposed to set VTIME and VIMN to 0, because these are the start values anyway. But this requires to set ReadIntervalTimeout to MAXDWORD, which just doesn't happen. Fix this by dropping the over-optimization of checking the old values before calling SetCommTimeouts, Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cygwin documentation is available on the net at https://cygwin.com You might especially be interested in https://cygwin.com/faq/faq.html#faq.programming.building-cygwin