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Date:	Wed, 5 Nov 2014 12:17:53 +0100
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	[ANNOUNCEMENT] TEST RELEASE: Cygwin 1.7.33-0.5
Message-Id:	<announce.20141105111753.GT28636@calimero.vinschen.de>
MIME-Version:	1.0
User-Agent:	Mutt/1.5.23 (2014-03-12)

Hi Cygwin friends and users,


I just released a 5th TEST version of the next upcoming Cygwin release,
1.7.33-0.5.

Changes compared to the former test version 1.7.33-0.4:

- atexit is now exported as statically linked function from libcygwin.a.
  This allows reliable access to the DSO handle of the caller for newly
  built executables.  The former atexit entry point into the DLL remains
  for backward compatibility only.

- The xdr functions are no longer exported for newly built executables.
  Use libtirpc-devel instead.


If you want to help testing this new release (which I seriously hope
for), you can find it in your setup-x86.exe or setup-x86_64.exe as
"test" release.


The major change in this new release is the new method to read account
(passwd and group) information from the Windows user databases directly,
without the requirement to generate /etc/passwd and /etc/group files to
generate Unix-like uid and gid.

For your convenience I wrote new documentation.  Since this is a TEST
prerelease, the new documentation is not part of the official docs yet.
Rather have a look at

  https://cygwin.com/preliminary-ntsec.html

If you read it
(which I seriously hope for) and it's all just incomprehensible
gobbledygook to you, please say so on the mailing list

  cygwin AT cygwin DOT com

so we have a chance to improve the documentation.

Please give this TEST release a try.

If you find problems in the new features or regressions compared to the
current stable release 1.7.32, please report them to the public mailing
list

  cygwin AT cygwin DOT com


Following is a list of changes in this new release:


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

- Cygwin can now generate passwd/group entries directly from Windows
  user databases (local SAM or Active Directory), thus allowing to run
  Cygwin without having to create /etc/passwd and /etc/group files.
  Introduce /etc/nsswitch.conf file to configure passwd/group handling.

  For bordercase which require to use /etc/passwd and /etc/group files,
  change mkpasswd/mkgroup to generate passwd/group entries compatible
  with the entries read from SAM/AD.

- Add -b/--remove-all option to setfacl to reduce the ACL to only the
  entries representing POSIX permission bits.

- /proc/cygdrive is a new symlink pointing to the current cygdrive prefix.
  This can be utilized in scripts to access paths via cygdrive prefix, even
  if the cygdrive prefix has been changed by the user.

- /proc/partitions now prints the windows mount points the device is mounted
  on.  This allows to recognize the underlying Windows devices of the Cygwin
  raw device names.

- New API: quotactl, designed after the Linux/BSD function, but severely
  restricted:  Windows only supports user block quotas on NTFS, no group
  quotas, no inode quotas, no time constraints.

- New APIs: ffsl, ffsll (glibc extensions).

- New API: stime (SVr4).

- Provide Cygwin documentation (PDFs and HTML) for offline usage in
  /usr/share/doc/cygwin-${version}.


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

- New internal exception handling based on SEH on 64 bit Cygwin.

- Revamp Solaris ACL implementation to more closely work like POSIX ACLs
  are supposed to work.  Finally implement a CLASS_OBJ emulation.  Update
  getfacl(1)/setfacl(1) accordingly.

- When exec'ing applications, check if $PATH exists and is non-empty.  If not,
  add PATH variable with Cygwin installation directory as content to Windows
  environment to allow loading of Cygwin system DLLs.

- Disable CYGWIN "dosfilewarning" option by default.
- Improve various header files for C++- and standards-compliance.

- Doug Lea malloc implementation update from 2.8.3 to the latest 2.8.6.

- The xdr functions are no longer exported for newly built executables.
  Use libtirpc-devel instead.

- atexit is now exported as statically linked function from libcygwin.a.
  This allows reliable access to the DSO handle of the caller for newly
  built executables.  The former atexit entry point into the DLL remains
  for backward compatibility only.


Bug Fixes
---------

- Per POSIX, dirfd(3) now returns EINVAL rather than EBADF on invalid
  directory stream.

- Fix a resource leak in rmdir(2).

- Fix fchmod(2)/fchown(2)/fsetxattr(2) in case the file got renamed after
  open and before calling one of the affected functions.
  Addresses: https://cygwin.com/ml/cygwin/2014-08/msg00517.html

- Handle Netapp-specific problem in statvfs(2)/fstatvfs(2).
  Addresses: https://cygwin.com/ml/cygwin/2014-06/msg00425.html

- Fix chown(2) on ptys in a corner case.

- Generate correct error when a path is inaccessible due to missing permissions.
  Addresses: https://cygwin.com/ml/cygwin-developers/2014-10/msg00010.html

- Don't hang in accept calls if socket is no listener.  Set errno to EINVAL
  instead.

- Don't allow seeking on serial lines and sockets.  Set errno to ESPIPE
  instead.
  Addresses: https://cygwin.com/ml/cygwin/2014-08/msg00319.html

- Fix output of /proc/<PID>/statm.

- Fix a SEGV in cygcheck if the environment variable COMSPEC is not, or
  incorrectly set.
  Addresses: https://cygwin.com/ml/cygwin/2014-10/msg00292.html

- Fix a SEGV in some 64 bit applications explicitely dlclosing DLLs.
  Addresses: https://cygwin.com/ml/cygwin/2014-10/msg00402.html

- Fix -fuse-cxa-atexit handling where dlclose fails to trigger calling
  global dtors in dynamically loaded modules in C++ applications (and
  thus another potential SEGV).


To install 32-bit Cygwin use http://cygwin.com/setup-x86.exe
To install 64 bit Cygwin use http://cygwin.com/setup-x86_64.exe

If you're already running a 32 bit version of Cygwin on 64 bit Windows
machines, you can continue to do so.  If you're planning a new install
of Cygwin on a 64 bit Windows machine, consider to use the new 64 bit
Cygwin version, unless you need certain packages not yet available in
the 64 bit release.


Have fun,
Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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