70 lines
2.4 KiB
Plaintext
70 lines
2.4 KiB
Plaintext
What's new:
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-----------
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- Drop support for Windows 7, Windows 8, Server 2008 R2 and Server 2012.
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- Console devices (/dev/consN) are now accessible by processes attached
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to other consoles or ptys. Thanks to this new feature, GNU screen and
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tmux now work in the console.
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- newgrp(1) tool.
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- cygcheck has new options searching for available packages in the
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cygwin distro, as well as getting extended info on available and
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installed packages.
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- fnmatch(3) and glob(3) now support named character classes, equivalence
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class expressions, and collating symbols in the search pattern, i.e.,
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[:alnum:], [=a=], [.aa.].
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- Introduce /dev/disk directory with various by-* subdirectories which
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provide symlinks to disk and partition raw devices:
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by-drive/DRIVE_LETTER -> ../../sdXN
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by-label/VOLUME_LABEL -> ../../sdXN
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by-id/BUSTYPE-[VENDOR_]PRODUCT_[SERIAL|0xHASH][-partN] -> ../../sdX[N]
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by-partuuid/MBR_SERIAL-OFFSET -> ../../sdXN
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by-partuuid/GPT_GUID -> ../../sdXN
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by-uuid/VOLUME_SERIAL -> ../../sdXN
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by-voluuid/MBR_SERIAL-OFFSET -> ../../sdXN
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by-voluuid/VOLUME_GUID -> ../../sdXN
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The subdirectories by-drive and by-voluuid are Cygwin specific.
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- Introduce /proc/codesets and /proc/locales with information on
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supported codesets and locales for all interested parties. Locale(1)
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opens these files and uses the info for printing locale info like any
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other process could do.
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- Add support for GB18030 codeset.
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- Add support for lseek flags SEEK_DATA and SEEK_HOLE, a GNU extension.
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- New API calls: posix_spawn_file_actions_addchdir_np,
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posix_spawn_file_actions_addfchdir_np.
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- New API calls: c8rtomb, c16rtomb, c32rtomb, mbrtoc8, mbrtoc16, mbrtoc32.
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- New API call: close_range (available on FreeBSD and Linux).
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- New API call: fallocate (Linux-specific).
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- Implement OSS-based sound mixer device (/dev/mixer).
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What changed:
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-------------
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- posix_spawnp no longer falls back to starting the shell for unrecognized
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files as execvp. For the reasoning, see
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https://www.austingroupbugs.net/view.php?id=1674
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- FIFOs now also work on NFS filesystems.
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- Enable automatic sparsifying of files on SSDs, independent of the
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"sparse" mount mode.
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- When RLIMIT_CORE is more than 1MB, a core dump file which can be loaded by gdb
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is now written on a fatal error. Otherwise, if it's greater than zero, a text
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format .stackdump file is written, as previously.
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- The default RLIMIT_CORE is now 0, disabling the generation of core dump or
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stackdump files.
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