Fixes:
------

- Fix undesired behaviour of console master thread in win32-input-mode
  which is supported by Windows Termainal.
  Addresses: https://cygwin.com/pipermail/cygwin/2024-August/256380.html

- Fix a regression in 3.5.4 that writing to pipe extremely slows down.
  Addresses: https://cygwin.com/pipermail/cygwin/2024-August/256398.html

- Fix pread() and pwrite() EBADF error after fork().
  Addresses: https://sourceware.org/pipermail/cygwin/2024-September/256468.html