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To:	cygwin AT cygwin DOT com
Subject:	[ANNOUNCEMENT] cygwin 3.3.0-0.1.9814cfd8f693 (TEST)
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From:	Ken Brown via Cygwin-announce via Cygwin <cygwin AT cygwin DOT com>
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Cc:	Ken Brown via Cygwin-announce <cygwin-announce AT cygwin DOT com>
Sender:	"Cygwin" <cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com>

The following packages have been uploaded to the Cygwin distribution as test 
releases:

* cygwin-3.3.0-0.1.9814cfd8f693
* cygwin-devel-3.3.0-0.1.9814cfd8f693
* cygwin-doc-3.3.0-0.1.9814cfd8f693

This release comes with an overhaul of the internal pipe code.  In theory, there 
should be no user-visible changes except for bug fixes and performance 
improvements.  But of course there will be new bugs.  Please test!

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

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

- An IP-sampling profiler named 'profiler' has been added.  It can be
   used to profile any Cygwin program along with any DLLs loaded.

- A new tool 'gmondump' has been added.  It can dump the raw
   information of any "gmon.out" file created by profiler, ssp, or use
   of the gcc/g++ option '-pg'.  (Continue using gprof to get symbolic
   profile displays.)

- New GNU-specific APIs, slated to become part of the next POSIX
   standard:  pthread_cond_clockwait, pthread_mutex_clocklock,
   pthread_rwlock_clockrdlock, pthread_rwlock_clockwrlock,
   sem_clockwait.

- New Solaris-specific APIs, slated to become part of the next POSIX
   standard:  sig2str, str2sig.


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

- The speed argument to cfsetspeed(3) can now be a numerical baud rate
   rather than a Bnnn constant, as on Linux.
   Addresses: https://cygwin.com/pipermail/cygwin/2021-July/248887.html

- The internal implementation of pipes has been overhauled; this
   should result in improved performance.
   Addresses: https://cygwin.com/pipermail/cygwin/2021-August/249238.html


Bug Fixes
---------

- Fix values returned by select(2) for shutdown sockets.
   Addresses: https://cygwin.com/pipermail/cygwin-developers/2021-April/012092.html

- Introduce a new hypotl(3) function not suffering unnecessary
   overflows.
   Addresses: https://cygwin.com/pipermail/cygwin/2021-April/248302.html

- Fix path handling for paths spanning native symlinks.
   Addresses: https://cygwin.com/pipermail/cygwin/2021-April/248307.html

- Fix tab position evaluation after console window resize.

- Fix a regression in pseudo console handling, resulting in rlwrap not
   being able to start a new pseudo console.

- Handle two race conditions in pseudo console usage.
   Addresses: https://cygwin.com/pipermail/cygwin/2021-April/248292.html

- Fix a bug in recognizing a successful completion of connect(2) on a
   datagram socket.

- Fix connect(2) when called with an address structure whose family is
   AF_UNSPEC.  As specified by POSIX and Linux, this is allowed on
   datagram sockets, and its effect is to reset the socket's peer
   address.

- Fix nanosleep(2) returning negative rem. NtQueryTimer appears to be
   able to return a negative remaining time (less than the timer
   resolution) for unsignalled timers.

- Fix getifaddrs(3) returning address family 0 or IPv4 address 0.
   Addresses: https://cygwin.com/pipermail/cygwin/2021-July/248970.html

- Fix getaddrinfo(3) to return valid ai_socktype and ai_protocol
   values if the underlying GetAddrInfoW screws up.
   Addresses: https://cygwin.com/pipermail/cygwin/2021-July/248985.html

- Fix duplicate /proc/partitions entries and (presumably) duplicate
   PIDs in ps(1) output.
   Addresses: https://cygwin.com/pipermail/cygwin/2021-July/248998.html
              https://cygwin.com/pipermail/cygwin/2021-August/249124.html

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


Have fun,

Ken Brown, on behalf of Corinna

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