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Subject:	Re: [ANNOUNCEMENT] cygwin 3.3.0-0.1.9814cfd8f693 (TEST)
From:	Chris Roehrig <croehrig AT house DOT org>
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Date:	Sat, 18 Sep 2021 12:03:15 -0700
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I'm not sure how to try out a test release without risking destabilizing my system, but I re-cloned and rebuilt the master branch and installed just the cygwin1.dll and all looks good to me so far.   No issues with any of my script pipes or fifos and I am getting full gigabit speeds with rsync.  

I too have been following all the pipe rework on Cygwin-developers and want to express my appreciation for Takashi, Ken and Corinna for tackling this.    You folks have made Cygwin so much more usable for a lot of applications!

-- Chris


On Fri Sep 17 2021, at 1:33 PM, Ken Brown via Cygwin-announce via Cygwin <cygwin AT cygwin DOT com> wrote:

> 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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