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- Closing attach_mutex and recreating it causes the race issue between pty and console codes. With this patch, attach_mutex is created only once in a process which opens pty, and never closed in order to avoid this issue. Addresses: https://cygwin.com/pipermail/cygwin-developers/2021-December/012548.html
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