81 lines
3.2 KiB
Plaintext
81 lines
3.2 KiB
Plaintext
What's new:
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-----------
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- An IP-sampling profiler named 'profiler' has been added. It can be used
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to profile any Cygwin program along with any DLLs loaded.
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- A new tool 'gmondump' has been added. It can dump the raw information
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of any "gmon.out" file created by profiler, ssp, or use of the gcc/g++
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option '-pg'. (Continue using gprof to get symbolic profile displays.)
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- New GNU-specific APIs, slated to become part of the next POSIX standard:
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pthread_cond_clockwait, pthread_mutex_clocklock, pthread_rwlock_clockrdlock,
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pthread_rwlock_clockwrlock, sem_clockwait.
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- New Solaris-specific APIs, slated to become part of the next POSIX standard:
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sig2str, str2sig.
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What changed:
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-------------
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- The speed argument to cfsetspeed(3) can now be a numerical baud rate
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rather than a Bnnn constant, as on Linux.
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Addresses: https://cygwin.com/pipermail/cygwin/2021-July/248887.html
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- The internal implementation of pipes has been overhauled; this
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should result in improved performance.
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Addresses: https://cygwin.com/pipermail/cygwin/2021-August/249238.html
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Bug Fixes
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---------
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- Fix values returned by select(2) for shutdown sockets.
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Addresses: https://cygwin.com/pipermail/cygwin-developers/2021-April/012092.html
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- Introduce a new hypotl(3) function not suffering unnecessary overflows.
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Addresses: https://cygwin.com/pipermail/cygwin/2021-April/248302.html
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- Fix path handling for paths spanning native symlinks.
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Addresses: https://cygwin.com/pipermail/cygwin/2021-April/248307.html
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- Fix tab position evaluation after console window resize.
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- Fix a regression in pseudo console handling, resulting in rlwrap not
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being able to start a new pseudo console.
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- Handle two race conditions in pseudo console usage.
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Addresses: https://cygwin.com/pipermail/cygwin/2021-April/248292.html
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- Fix a bug in recognizing a successful completion of connect(2) on a
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datagram socket.
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- Fix connect(2) when called with an address structure whose family is
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AF_UNSPEC. As specified by POSIX and Linux, this is allowed on
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datagram sockets, and its effect is to reset the socket's peer
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address.
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- Fix nanosleep(2) returning negative rem. NtQueryTimer appears to be able to
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return a negative remaining time (less than the timer resolution) for
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unsignalled timers.
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- Fix getifaddrs(3) returning address family 0 or IPv4 address 0.
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Addresses: https://cygwin.com/pipermail/cygwin/2021-July/248970.html
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- Fix getaddrinfo(3) to return valid ai_socktype and ai_protocol values
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if the underlying GetAddrInfoW screws up.
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Addresses: https://cygwin.com/pipermail/cygwin/2021-July/248985.html
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- Fix duplicate /proc/partitions entries and (presumably) duplicate PIDs
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in ps(1) output.
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Addresses: https://cygwin.com/pipermail/cygwin/2021-July/248998.html
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https://cygwin.com/pipermail/cygwin/2021-August/249124.html
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- Fix pty master closing error regarding attach_mutex.
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Addresses: https://cygwin.com/pipermail/cygwin-developers/2021-October/012418.html
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- Fix access violation that can sometimes occur when copy/pasting between
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32-bit and 64-bit Cygwin environments. Align clipboard descriptor layouts.
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Addresses: https://cygwin.com/pipermail/cygwin-patches/2021q4/011517.html
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