cygwin 3.6.1-1

[Corinna Vinschen]

The following packages have been uploaded to the Cygwin distribution:

* cygwin-3.6.1-1
* cygwin-devel-3.6.1-1
* cygwin-doc-3.6.1-1

Fixes:
------

- Console mode is really restored to the previous mode.
  Addresses: https://github.com/msys2/msys2-runtime/issues/268

- Clear direction flag in sigdeleyed before calling signal handler.
  Addresses: https://cygwin.com/pipermail/cygwin/2025-March/257704.html

- getlocalename_l: Fix a crash and handle LC_ALL according to final
  POSIX-1.2024 docs.
  Addresses: https://cygwin.com/pipermail/cygwin/2025-March/257715.html

- Copy context to alternate signal stack area in call_signal_handler()
  in the SA_ONSTACK case, because locally-copied context on the normal
  stack area is not accessible from the signal handler.
  Addresses: https://cygwin.com/pipermail/cygwin/2025-March/257714.html

- Fix reference counting when dlopen/dlclose is called on the Cygwin DLL
  or on non-Cygwin DLLs.
  Addresses: https://cygwin.com/pipermail/cygwin/2025-March/257783.html

- Fix reference counting when dlopen/dlclose a DLL with RTLD_NODELETE.

- Disallow accounts from the BUILTIN, NT AUTHORITY, NT SERVICE domains
  as USER entry in a POSIX ACL.  Only allow USER_OBJ, GROUP_OBJ and GROUP.

- Accommodate a change in Windows exception handling affecting software
  generated exceptions.
  Addresses: https://cygwin.com/pipermail/cygwin/2025-March/257808.html

- Return EMFILE when opening /dev/ptmx too many times.
  Addresses: https://cygwin.com/pipermail/cygwin/2025-March/257786.html

- Move pthread::atforkchild() at the end of fork::child(). This fixes
  subprocess failure in cmake (>= 3.29.x).
  Addresses: https://cygwin.com/pipermail/cygwin/2025-March/257800.html
  Addresses: https://github.com/msys2/msys2-runtime/issues/272

- Don't increment DLL reference count in dladdr.
  Addresses: https://cygwin.com/pipermail/cygwin/2025-April/257862.html

- Fix tcsetattr() for console which has been broken sinse cygwin 3.5.5.

- Fix up cached DOS attributes when trying to create the same file in
  two (or more) threads/processes concurrently.
  Addresses: https://cygwin.com/pipermail/cygwin/2025-April/257871.html

- Fix deadlock when calling pthread_key_create in the destructor of
  a pthread_key.
  Addresses: https://cygwin.com/pipermail/cygwin/2025-March/257705.html