CALL FOR TESTING: Cygwin 1.7.6 due soon

Corinna Vinschen
Fri Jun 25 12:50:00 GMT 2010

A lot of changes and fixes have been made in Cygwin since 1.7.5 has
been released, so we're looking forward to release Cygwin 1.7.6 soon.

Please test the latest developer snapshots at
which should have "Release Candidate" quality.

Please report bugs to the cygwin at cygwin dot com mailing list.
Please follow the guidelines at
Be aware that we're mainly focusing on regressions from 1.7.5.

What's new:

- Add new mount options "dos" and "ihash" to allow overriding Cygwin
  default behaviour on broken filesystems not recognized by Cygwin.

- A new mechanism is used to propagate pty handles safely to other
  processes, which does not require to use Cygserver.

- Pass on coresize settings made with setrlimit(2).  This allows
  shells to disable creating stackdump files in child processes via
  `ulimit -c 0' in bash or `limit coredumpsize 0' in tcsh.

- Locale categories contain all localization strings additionally as
  wide-char strings.  locale(1) prints these values just as on Linux.
  nl_langinfo(3) allows to fetch them.


- Fix problem where pseudo-relocs were getting applied twice, resulting
  in a crash.

- Fix a crash when accessing /proc/registry*

- Avoid that connect on a not yet established AF_LOCAL/AF_UNIX
  socket misinterprets the socket file as non-socket.

- Fix stdin/out/err handle permissions when called from a non-Cygwin

- Fix codeset problem in internal handling of process name.

- Fix abbreviated month names for japanese and korean locale.

- Fix calls to gettimeofday after call to settimeofday.

- Fix REG_MULTI_SZ handling in /proc/registry*

- Honor cygwin username even if it only differs by case from Windows

- Fix potential memory leak when accessing // or //server directories.

- Fix using a wrong handle when cehcking for files inaccessible to
  current user.

- Fix erroneous handling of devices in path checking.

- Fix potential crash in exec(2) if parent uses file locking.

Other changes:

- Change the way a process is made process group leader in case
  we're started from a non-Cygwin process.  This isn't foolproof
  and may need more work.

- Workaround BLODA problem in rename(2) which otherwise results
  in annoying errors.

- Improve error output in strace.

- Add more workarounds for broken filesystems which either don't grok
  reopening a file by handle (NWFS) or which are not capable of
  handling filenames with leading spaces or trailing dots or spaces
  (NWFS, Netapp).

- Don't try to evaluate reparse points (junctions) on remote
  filesystems as symlinks.

- Improve performance of stat and a few other functions.  ls(1) should
  be up to 30% faster on some drives.


To update your installation, click on the "Install Cygwin now" link
on the web page.  This downloads setup.exe to
your system.  Then, run setup and answer all of the questions.


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

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