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5ba41ad6e9
- The cause of the problem reported in https://www.cygwin.com/ml/cygwin/2020-01/msg00220.html is that the chars input before dup() cannot be read from the new file descriptor. This is because the readahead buffer (rabuf) in the console is newly created by dup(), and does not inherit from the parent. This patch fixes the issue.
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