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From: Ken Brown <kbrown AT cornell DOT edu>
To: cygwin AT cygwin DOT com
Subject: [ANNOUNCEMENT] cygwin 3.1.0-0.6 (TEST)
Date: Sun, 22 Sep 2019 14:11:40 +0000
Message-Id: <announce.20190922101035.2703-1-kbrown@cornell.edu>
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The following packages have been uploaded to the Cygwin distribution
as test releases:

* cygwin-3.1.0-0.6
* cygwin-devel-3.1.0-0.6
* cygwin-doc-3.1.0-0.6

This release comes with a couple of new features and quite a few
bug fixes.

The most interesting changes:

- A revamp of the old FIFO code.  It should now be possible to open
  FIFOs multiple times for writing, something the old code failed on.
  Courtesy Ken Brown.

- Support the new pseudo console in PTY. Pseudo console is a new feature
  in Windows 10 1809, which provides console APIs on virtual terminal.
  With this patch, native console applications can work in Cygwin PTYs.
  Courtesy Takashi Yano.

There have been a lot of changes in the PTY code since
cygwin-3.1.0-0.5.  Please test!

=======================================================================

What's new:
-----------

- Add 24 bit color support using xterm compatibility mode in Windows 10
  1703 or later.  Add fake 24 bit color support for legacy console,
  which uses the nearest color from 16 system colors.

- Support pseudo console in PTY. Pseudo console is a new feature
  in Windows 10 1809, which provides console APIs on virtual
  terminal. With this patch, native console applications can work
  in PTYs such as mintty, ssh, gnu screen or tmux.

- New APIs: sched_getaffinity, sched_setaffinity, pthread_getaffinity_np,
  pthread_setaffinity_np, plus CPU_SET macros.

- New APIs: dbm_clearerr, dbm_close, dbm_delete, dbm_dirfno, dbm_error,
  dbm_fetch, dbm_firstkey, dbm_nextkey, dbm_open, dbm_store.


What changed:
-------------

- FIFOs can now be opened multiple times for writing.
  Addresses: https://cygwin.com/ml/cygwin/2015-03/msg00047.html
             https://cygwin.com/ml/cygwin/2015-12/msg00311.html

- If a SA_SIGINFO signal handler changes the ucontext_t pointed to by
  the third parameter, follow it after returning from the handler.

- Eliminate a header file name collision with <X11/XLocale.h> on case
  insensitive filesystems by reverting <xlocale.h> back to <sys/_locale.h>.

- Allow times(2) to have a NULL argument, as on Linux.
  Addresses: https://cygwin.com/ml/cygwin/2019-09/msg00141.html


Bug Fixes
---------

- Fix select() on console in canonical mode.  Return after one line is
  completed, instead of when only one key is typed.

- Make console I/O functions thread-safe.

- Define missing MSG_EOR.  It's unsupported by the underlying Winsock
  layer so using it in send(2), sendto(2), or sendmsg(2) will return -1
  with errno set to EOPNOTSUPP and recvmsg(2) will never return it.

- Fix a timerfd deadlock.
  Addresses: https://cygwin.com/ml/cygwin/2019-06/msg00096.html

- Fix sigpending() incorrectly returning signals for unrelated threads.
  Addresses: https://cygwin.com/ml/cygwin/2019-07/msg00051.html

- Fix a hang when opening a FIFO with O_PATH.
  Addresses: https://cygwin.com/ml/cygwin-developers/2019-06/msg00001.html

- Don't append ".lnk" when renaming a socket file.
  Addresses: https://cygwin.com/ml/cygwin/2019-07/msg00139.html

- Make tcsetpgrp() return -1 if its argument is negative.
  Addresses: https://cygwin.com/ml/cygwin/2019-07/msg00166.html

- Avoid mistakenly moving a process under debugger control into the
  process group of the debugger.
  Addresses a problem visible in GDB 8.1.1, related to
  https://cygwin.com/ml/cygwin/2019-07/msg00166.html

- Return ENOEXEC from execve for arbitrary files only if the files are
  executable.
  Addresses: https://cygwin.com/ml/cygwin/2019-08/msg00054.html

- Fix off-by-one in environment evaluation leading to an abort.
  Addresses: https://cygwin.com/ml/cygwin-patches/2019-q3/msg00069.html

- Make output of /proc/[PID]/stat consistent with getpriority().
  Addresses: https://cygwin.com/ml/cygwin/2019-08/msg00082.html

- 64 bit only: Avoid collisions between memory maps created with shmat
  and Windows datastructures during fork.
  Addresses: https://cygwin.com/ml/cygwin/2019-08/msg00107.html

=======================================================================


Have fun,

Ken Brown, on behalf of Corinna

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