1426 lines
42 KiB
XML
1426 lines
42 KiB
XML
<?xml version="1.0" encoding='UTF-8'?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
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<sect1 id="ov-new1.7"><title>What's new and what changed in Cygwin 1.7</title>
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<sect2 id="ov-new1.7.32"><title>What's new and what changed in 1.7.32</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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Introduce reading passwd/group entries directly from SAM/AD, thus allowing
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to do without /etc/passwd and /etc/group files. Introduce /etc/nsswitch.conf
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file to configure passwd/group handling.
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.31"><title>What's new and what changed in 1.7.31</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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Improve performance of send(2), sendto(2), sendmsg(2) when using small
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input buffers.
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</para></listitem>
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<listitem><para>
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The default pthread_mutex type is now PTHREAD_MUTEX_NORMAL, rather than
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PTHREAD_MUTEX_ERRORCHECK, just as on Linux.
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</para></listitem>
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<listitem><para>
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Align pthread_attr stack functions more closely to Linux.
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</para></listitem>
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<listitem><para>
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Mark pthread_attr_getstackaddr and pthread_attr_setstackaddr as deprecated,
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as on Linux.
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.29"><title>What's new and what changed in 1.7.29</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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Allow quoting of arguments to the CYGWIN environment variable, i.e.,
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set CYGWIN=error_start="c:\bin\someprogram -T"
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</para></listitem>
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<listitem><para>
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Console screen clearing works more like xterm or mintty.
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.28"><title>What's new and what changed in 1.7.28</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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popen now supports the Glibc 'e' flag to set the FD_CLOEXEC flag on the pipe
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in a thread-safe way.
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</para></listitem>
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<listitem><para>
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New netinet/ip6.h header.
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</para></listitem>
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<listitem><para>
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Switch to BSD FILE stream fopen/exit semantics, as in all BSD variants
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and Linux/GLibc: Don't fflush/lseek a FILE stream on fclose and exit,
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if it only has been read from.
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.27"><title>What's new and what changed in 1.7.27</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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Don't create native symlinks with target paths having long path prefixes
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"\\?\" if the target path is shorter than MAX_PATH characters. This works
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around a Windows 8.1 bug: The ShellExecuteW fails if the lpFile parameter
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points to a native NTFS symlink with a target path prefixed with "\\?\".
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.26"><title>What's new and what changed in 1.7.26</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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getaddrinfo now supports glibc-specific International Domain Name (IDN)
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extension flags: AI_IDN, AI_CANONIDN, AI_IDN_ALLOW_UNASSIGNED,
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AI_IDN_USE_STD3_ASCII_RULES.
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</para></listitem>
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<listitem><para>
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getnameinfo now supports glibc-specific International Domain Name (IDN)
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extension flags: NI_IDN, NI_IDN_ALLOW_UNASSIGNED, NI_IDN_USE_STD3_ASCII_RULES.
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</para></listitem>
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<listitem><para>
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Slightly improve randomness of /dev/random emulation.
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</para></listitem>
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<listitem><para>
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Allow to use advisory locking on any device. POSIX fcntl and lockf locking
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works with any device, BSD flock locking only with devices backed by an OS
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handle. Right now this excludes console windows on pre Windows 8, as well as
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almost all virtual files under /proc from BSD flock locking.
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</para></listitem>
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<listitem><para>
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The header /usr/include/exceptions.h, containing implementation details for
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32 bit Windows' exception handling only, has been removed.
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</para></listitem>
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<listitem><para>
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Preliminary, experimental support of the posix_spawn family of functions.
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New associated header /usr/include/spawn.h.
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.25"><title>What's new and what changed in 1.7.25</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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Change magic number associated with process information block so that 32-bit
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Cygwin processes don't try to interpret 64-bit information and vice-versa.
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</para></listitem>
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<listitem><para>
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Redefine content of mtget tape info struct to allow fetching the number of
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partitions on a tape.
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.24"><title>What's new and what changed in 1.7.24</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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Allow application override of posix_memalign.
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.23"><title>What's new and what changed in 1.7.23</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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Added CYGWIN environment variable keyword "wincmdln" which causes Cygwin to
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send the full windows command line to any subprocesses.
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.22"><title>What's new and what changed in 1.7.22</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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Support for /dev/mem, /dev/kmem and /dev/port removed, since OS support
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was limited to 32 bit Windows XP only.
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</para></listitem>
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<listitem><para>
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Added cygwin GetCommandLine wrappers which will allow Cygwin programs to
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(appear to) use the Windows command line functions.
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</para></listitem>
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<listitem><para>
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regcomp(3) now allows character values >= 0x80 if the current codeset is
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ASCII (default codeset in the "C"/"POSIX" locale). This allows patterns
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containing arbitrary byte values as GLibc's regcomp.
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.21"><title>What's new and what changed in 1.7.21</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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New API: rawmemchr.
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.19"><title>What's new and what changed in 1.7.19</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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Drop support for Windows 2000 and Windows XP pre-SP3.
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</para></listitem>
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<listitem><para>
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Add support for building a 64 bit version of Cygwin on x86_64 natively.
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</para></listitem>
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<listitem><para>
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Add support for creating native NTFS symlinks starting with Windows Vista
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by setting the CYGWIN=winsymlinks:native or CYGWIN=winsymlinks:nativestrict
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option.
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</para></listitem>
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<listitem><para>
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Add support for AFS filesystem.
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</para></listitem>
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<listitem><para>
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Preliminary support for mandatory locking via fcntl/flock/lockf, using Windows
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locking semantics. New F_LCK_MANDATORY fcntl command.
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</para></listitem>
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<listitem><para>
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New APIs: __b64_ntop, __b64_pton, arc4random, arc4random_addrandom,
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arc4random_buf, arc4random_stir, arc4random_uniform.
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.18"><title>What's new and what changed in 1.7.18</title>
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<itemizedlist mark="bullet">
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<listitem><para>Added Windows console cursor appearance support.</para>
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<itemizedlist mark="bullet">
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<listitem><para>
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Show/Hide Cursor mode (DECTCEM): "ESC[?25h" / "ESC[?25l"
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</para></listitem>
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<listitem><para>
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Set cursor style (DECSCUSR): "ESC[n q" (note the space before the q);
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where n is 0, 1, 2 for block cursor, 3, 4 for underline cursor (all
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disregarding blinking mode), or > 4 to set the cursor height to a
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percentage of the cell height.
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</para></listitem>
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</itemizedlist>
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</listitem>
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<listitem><para>
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For performance reasons, Cygwin does not try to create sparse files
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automatically anymore, unless you use the new "sparse" mount option.
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</para></listitem>
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<listitem><para>
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New API: cfsetspeed.
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.17"><title>What's new and what changed in 1.7.17</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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Support the "e" flag to fopen(3). This is a Glibc extension which
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allows to fopen the file with the O_CLOEXEC flag set.
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</para></listitem>
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<listitem><para>
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Support the "x" flag to fopen(3). This is a Glibc/C11 extension which
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allows to open the file with the O_EXCL flag set.
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.16"><title>What's new and what changed in 1.7.16</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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New API: getmntent_r, memrchr.
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</para></listitem>
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<listitem><para>
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Recognize ReFS filesystem.
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.15"><title>What's new and what changed in 1.7.15</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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CYGWIN=pipe_byte option now forces the opening of pipes in byte mode rather than message mode.
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.14"><title>What's new and what changed in 1.7.14</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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Add mouse reporting modes 1005, 1006 and 1015 to console window.
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.13"><title>What's new and what changed in 1.7.13</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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mkpasswd and mkgroup now try to print an entry for the TrustedInstaller
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account existing since Windows Vista/Server 2008.
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</para></listitem>
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<listitem><para>
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Terminal typeahead when switching from canonical to non-canonical mode
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is now properly flushed.
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.12"><title>What's new and what changed in 1.7.12</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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Cygwin now automatically populates the /dev directory with all existing
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POSIX devices.
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</para></listitem>
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<listitem><para>
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Add virtual /proc/PID/mountinfo file.
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</para></listitem>
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<listitem><para>
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flock now additionally supports the following scenario, which requires
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to propagate locks to the parent process:
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<screen>
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(
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flock -n 9 || exit 1
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# ... commands executed under lock ...
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} 9>/var/lock/mylockfile
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</screen>
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Only propagation to the direct parent process is supported so far,
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not to grand parents or sibling processes.
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</para></listitem>
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<listitem><para>
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Add a "detect_bloda" setting for the CYGWIN environment variable to help
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finding potential BLODAs.
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.11"><title>What's new and what changed in 1.7.11</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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New <command>pldd</command> command for listing DLLs loaded by a process.
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</para></listitem>
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<listitem><para>
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New API: scandirat.
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</para></listitem>
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<listitem><para>
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Change the way remote shares mapped to drive letters are recognized when
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creating the cygdrive directory. If Windows claims the drive is
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unavailable, don't show it in the cygdrive directory listing.
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</para></listitem>
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<listitem><para>
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Raise default stacksize of pthreads from 512K to 1 Meg. It can still be
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changed using the pthread_attr_setstacksize call.
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</para></listitem>
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</itemizedlist>
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</sect2>
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<sect2 id="ov-new1.7.10"><title>What's new and what changed in 1.7.10</title>
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<itemizedlist mark="bullet">
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<listitem><para>
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Drop support for Windows NT4.
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</para></listitem>
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<listitem><para>
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The CYGWIN environment variable options "envcache", "strip_title", "title",
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"tty", and "upcaseenv" have been removed.
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</para></listitem>
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<listitem><para>
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If the executable (and the system) is large address aware, the application heap
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will be placed in the large memory area. The <command>peflags</command> tool
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from the <literal>rebase</literal> package can be used to set the large
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address awareness flag in the executable file header.
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</para></listitem>
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<listitem><para>
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The registry setting "heap_chunk_in_mb" has been removed, in favor of a new
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per-executable setting in the executable file header which can be set using the
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<command>peflags</command> tool. See <xref linkend="setup-maxmem"></xref>
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for more information.
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</para></listitem>
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<listitem><para>
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The CYGWIN=tty mode using pipes to communicate with the console in a pseudo
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tty-like mode has been removed. Either just use the normal Windows console
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as is, or use a terminal application like <command>mintty</command>.
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</para></listitem>
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<listitem><para>
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New <command>getconf</command> command for querying confstr(3), pathconf(3),
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sysconf(3), and limits.h configuration.
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</para></listitem>
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<listitem><para>
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New <command>tzset</command> utility to generate a POSIX-compatible TZ
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environment variable from the Windows timezone settings.
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</para></listitem>
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<listitem><para>
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The passwd command now allows an administrator to use the -R command for
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other user accounts: passwd -R username.
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</para></listitem>
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<listitem><para>
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Pthread spinlocks. New APIs: pthread_spin_destroy, pthread_spin_init,
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pthread_spin_lock, pthread_spin_trylock, pthread_spin_unlock.
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</para></listitem>
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<listitem><para>
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Pthread stack address management. New APIs: pthread_attr_getstack,
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pthread_attr_getstackaddr, pthread_attr_getguardsize, pthread_attr_setstack,
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pthread_attr_setstackaddr, pthread_attr_setguardsize, pthread_getattr_np.
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</para></listitem>
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<listitem><para>
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POSIX Clock Selection option. New APIs: clock_nanosleep,
|
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pthread_condattr_getclock, pthread_condattr_setclock.
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</para></listitem>
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<listitem><para>
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clock_gettime(3) and clock_getres(3) accept per-process and per-thread CPU-time
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clocks, including CLOCK_PROCESS_CPUTIME_ID and CLOCK_THREAD_CPUTIME_ID.
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New APIs: clock_getcpuclockid, pthread_getcpuclockid.
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</para></listitem>
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<listitem><para>
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GNU/glibc error.h error reporting functions. New APIs: error, error_at_line.
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New exports: error_message_count, error_one_per_line, error_print_progname.
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Also, perror and strerror_r no longer clobber strerror storage.
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</para></listitem>
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<listitem><para>
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C99 <tgmath.h> type-generic macros.
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</para></listitem>
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|
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<listitem><para>
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/proc/loadavg now shows the number of currently running processes and the
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total number of processes.
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</para></listitem>
|
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|
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<listitem><para>
|
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Added /proc/devices and /proc/misc, which lists supported device types and
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their device numbers.
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</para></listitem>
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|
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<listitem><para>
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Added /proc/swaps, which shows the location and size of Windows paging file(s).
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</para></listitem>
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|
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<listitem><para>
|
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Added /proc/sysvipc/msg, /proc/sysvipc/sem, and /proc/sysvipc/shm which
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provide information about System V IPC message queues, semaphores, and
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shared memory.
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</para></listitem>
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|
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<listitem><para>
|
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/proc/version now shows the username of whomever compiled the Cygwin DLL
|
|
as well as the version of GCC used when compiling.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
dlopen now supports the Glibc-specific RTLD_NODELETE and RTLD_NOOPEN flags.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
The printf(3) and wprintf(3) families of functions now handle the %m
|
|
conversion flag.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Other new API: clock_settime, __fpurge, getgrouplist, get_current_dir_name,
|
|
getpt, ppoll, psiginfo, psignal, ptsname_r, sys_siglist, pthread_setschedprio,
|
|
pthread_sigqueue, sysinfo.
|
|
</para></listitem>
|
|
|
|
</itemizedlist>
|
|
|
|
</sect2>
|
|
|
|
<sect2 id="ov-new1.7.9"><title>What's new and what changed in 1.7.9</title>
|
|
|
|
<itemizedlist mark="bullet">
|
|
|
|
<listitem><para>
|
|
New API: strchrnul.
|
|
</para></listitem>
|
|
|
|
</itemizedlist>
|
|
|
|
</sect2>
|
|
|
|
<sect2 id="ov-new1.7.8"><title>What's new and what changed in 1.7.8</title>
|
|
|
|
<itemizedlist mark="bullet">
|
|
|
|
<listitem><para>
|
|
Drop support for Windows NT4 prior to Service Pack 4.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Reinstantiate Cygwin's ability to delete an empty directory which is the
|
|
current working directory of the same or another process. Same for any
|
|
other empty directory which has been opened by the same or another process.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Cygwin now ships the C standard library fenv.h header file, and implements the
|
|
related APIs (including GNU/glibc extensions): feclearexcept, fedisableexcept,
|
|
feenableexcept, fegetenv, fegetexcept, fegetexceptflag, fegetprec, fegetround,
|
|
feholdexcept, feraiseexcept, fesetenv, fesetexceptflag, fesetprec, fesetround,
|
|
fetestexcept, feupdateenv, and predefines both default and no-mask FP
|
|
environments. See the
|
|
<ulink url="http://www.gnu.org/software/libc/manual/html_node/Arithmetic.html">
|
|
GNU C Library manual</ulink> for full details of this functionality.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Support for the C99 complex functions, except for the "long double"
|
|
implementations. New APIs: cacos, cacosf, cacosh, cacoshf, carg, cargf, casin,
|
|
casinf, casinh, casinhf, catan, catanf, catanh, catanhf, ccos, ccosf, ccosh,
|
|
ccoshf, cexp, cexpf, cimag, cimagf, clog, clogf, conj, conjf, cpow, cpowf,
|
|
cproj, cprojf, creal, crealf, csin, csinf, csinh, csinhf, csqrt, csqrtf, ctan,
|
|
ctanf, ctanh, ctanhf.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Fix the width of "CJK Ambiguous Width" characters to 1 for singlebyte charsets
|
|
and 2 for East Asian multibyte charsets. (For UTF-8, it remains dependent on
|
|
the specified language, and the "@cjknarrow" locale modifier can still be used
|
|
to force width 1.)
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
The strerror_r interface now has two flavors; if _GNU_SOURCE is
|
|
defined, it retains the previous behavior of returning char *
|
|
(but the result is now guaranteed to be NUL-terminated); otherwise
|
|
it now obeys POSIX semantics of returning int.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
/proc/sys now allows unfiltered access to the native NT namespace. Access
|
|
restrictions still apply. Direct device access via /proc/sys is not yet
|
|
supported. File system access via block devices works. For instance
|
|
(note the trailing slash!)
|
|
<screen>
|
|
bash$ cd /proc/sys/Device/HarddiskVolumeShadowCopy1/
|
|
</screen>
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Other new APIs: llround, llroundf, madvise, pthread_yield.
|
|
Export program_invocation_name, program_invocation_short_name.
|
|
Support TIOCGPGRP, TIOCSPGRP ioctls.
|
|
</para></listitem>
|
|
|
|
</itemizedlist>
|
|
|
|
</sect2>
|
|
|
|
<sect2 id="ov-new1.7.7"><title>What's new and what changed in 1.7.7</title>
|
|
|
|
<itemizedlist mark="bullet">
|
|
|
|
<listitem><para>
|
|
Partially revert the 1.7.6 change to set the Win32 current working directory
|
|
(CWD) always to an invalid directory, since it breaks backward compatibility
|
|
too much. The Cygwin CWD and the Win32 CWD are now kept in sync again, unless
|
|
the Cygwin CWD is not usable as Win32 CWD. See the reworked
|
|
<xref linkend="pathnames-win32-api"></xref> for details.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Make sure to follow the Microsoft security advisory concerning DLL hijacking.
|
|
See the <ulink url="http://www.microsoft.com/technet/security/advisory/2269637.mspx">Microsoft Security Advisory (2269637) "Insecure Library Loading Could Allow Remote Code Execution"</ulink> for details.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Allow to link against -lbinmode instead of /lib/binmode.o. Same for
|
|
-ltextmode, -ltextreadmode and -lautomode.
|
|
See <xref linkend="textbin-devel"></xref> for details.
|
|
</para></listitem>
|
|
|
|
</itemizedlist>
|
|
|
|
</sect2>
|
|
|
|
<sect2 id="ov-new1.7.6"><title>What's new and what changed in 1.7.6</title>
|
|
|
|
<itemizedlist mark="bullet">
|
|
|
|
<listitem><para>
|
|
Add new mount options "dos" and "ihash" to allow overriding Cygwin default
|
|
behaviour on broken filesystems not recognized by Cygwin.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Add new mount option "bind" to allow remounting parts of the POSIX file
|
|
hirarchy somewhere else.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Ttys and ptys are handled as securable objects using file-like permissions
|
|
and owner/group information. <command>chmod</command> and
|
|
<command>chown</command> now work on ttys/ptys. A new mechanism is used
|
|
to propagate pty handles safely to other processes, which does not require
|
|
to use Cygserver.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Pass on coresize settings made with setrlimit(2). This allows shells to
|
|
disable creating stackdump files in child processes via
|
|
<screen>ulimit -c 0</screen> in bash or <screen>limit coredumpsize 0</screen>
|
|
in tcsh.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
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.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
New interfaces mkostemp(3) and mkostemps(3) are added.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
New virtual file /proc/filesystems.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
clock_gettime(3) and clock_getres(3) accept CLOCK_MONOTONIC.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
DEPRECATED with 1.7.7: Cygwin handles the current working directory entirely
|
|
on its own. The Win32 current working directory is set to an invalid path to
|
|
be out of the way. [...]
|
|
</para></listitem>
|
|
|
|
</itemizedlist>
|
|
|
|
</sect2>
|
|
|
|
<sect2 id="ov-new1.7.5"><title>What's new and what changed in 1.7.5</title>
|
|
|
|
<itemizedlist mark="bullet">
|
|
|
|
<listitem><para>
|
|
Support for DEC Backarrow Key Mode escape sequences (ESC [ ? 67 h, ESC [ ? 67 l)
|
|
in Windows console.
|
|
</para></listitem>
|
|
|
|
</itemizedlist>
|
|
|
|
</sect2>
|
|
|
|
<sect2 id="ov-new1.7.3"><title>What's new and what changed in 1.7.3</title>
|
|
|
|
<itemizedlist mark="bullet">
|
|
|
|
<listitem><para>
|
|
Support for GB2312/EUC-CN. These charsets are implemented as aliases to GBK.
|
|
GB2312 is now the default charset name for the locales zh_CN and zh_SG, just
|
|
as on Linux.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Modification and access timestamps of devices reflect the current time.
|
|
</para></listitem>
|
|
|
|
</itemizedlist>
|
|
|
|
</sect2>
|
|
|
|
<sect2 id="ov-new1.7.2"><title>What's new and what changed in 1.7.2</title>
|
|
|
|
<itemizedlist mark="bullet">
|
|
|
|
<listitem><para>Localization support has been much improved.</para>
|
|
|
|
<itemizedlist mark="bullet">
|
|
|
|
<listitem><para>
|
|
Cygwin now handles locales using the underlying Windows locale
|
|
support. The locale must exist in Windows to be recognized.
|
|
Locale aliases from the file /usr/share/locale/locale.alias are also
|
|
allowed, as long as their replacement is supported by the underlying Windows.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
New tool "locale" to fetch locale information and default locales based on
|
|
the Windows default settings as well as lists of all supported locales
|
|
and character sets.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Default charset for locales without explicit charset is now chosen
|
|
from a list of Linux-compatible charsets.
|
|
</para>
|
|
|
|
<para>
|
|
For instance: en_US -> ISO-8859-1, ja_JP -> EUC-JP, zh_TW -> Big5.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Added support for the charsets GEORGIAN-PS, PT154, and TIS-620.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Support for the various locale modifiers to switch charsets as on Linux.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Default charset in the "C" or "POSIX" locale has been changed back
|
|
from UTF-8 to ASCII, to avoid problems with applications
|
|
expecting a singlebyte charset in the "C"/"POSIX" locale. Still use
|
|
UTF-8 internally for filename conversion in this case.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
LC_COLLATE, LC_MONETARY, LC_NUMERIC, and LC_TIME localization is
|
|
enabled via Windows locale support. LC_MESSAGES is enabled via a big
|
|
table with localized strings.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
fnmatch(3), regcomp(3), regexec(3) calls are now multibyte-aware.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
printf(3), wprintf(3) families of functions now handle the grouping
|
|
flag, the apostrophe <literal>'</literal>, per POSIX-1.2008. The
|
|
integer portion of the result of a decimal conversion (%i, %d, %u, %f,
|
|
%F, %g, %G) will be formatted with thousands' grouping characters.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
strftime(3), wcsftime(3), and strptime(3) now handle the E and O format
|
|
modifiers to print/scan alternative date and time representations or to
|
|
use alternative digits in locales which support this. Additionally these
|
|
functions now also support the padding modifiers '0' and '+', as well as
|
|
a field width per POSIX-1.2008.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
New strfmon(3) call.
|
|
</para></listitem>
|
|
|
|
</itemizedlist>
|
|
|
|
</listitem>
|
|
|
|
<listitem><para>
|
|
Support open(2) flags O_CLOEXEC and O_TTY_INIT flags. Support fcntl
|
|
flag F_DUPFD_CLOEXEC. Support socket flags SOCK_CLOEXEC and SOCK_NONBLOCK.
|
|
Add new Linux-compatible API calls accept4(2), dup3(2), and pipe2(2).
|
|
Support the signal SIGPWR.
|
|
</para></listitem>
|
|
|
|
<listitem><para>Enhanced Windows console support.</para>
|
|
|
|
<itemizedlist mark="bullet">
|
|
|
|
<listitem><para>
|
|
The console's backspace keycode can be changed using 'stty erase'.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Function keys send distinguished escape sequences compatible with rxvt.
|
|
Keypad keys send distinguished escape sequences, xterm-style.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Support of combining Alt and AltGr modifiers in console window
|
|
(compatible with xterm and mintty), so that e.g. Alt-@ sends ESC @
|
|
also on keyboards where @ is mapped to an AltGr combination.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Report mouse wheel scroll events in mouse reporting mode 1000 (note:
|
|
this doesn't seem to work on all systems, assumedly due to driver
|
|
interworking issues).
|
|
Add mouse reporting mode 1002 to report mouse drag movement.
|
|
Add mouse reporting mode 1003 to report any mouse movement.
|
|
Add focus event reporting (mode 1004), compatible with xterm and mintty.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Add escape sequences for not bold (22), not invisible (28), not
|
|
blinking (25) (compatible with xterm and mintty).
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Support VT100 line drawing graphics mode in console window (compatible
|
|
with xterm and mintty).
|
|
</para></listitem>
|
|
|
|
</itemizedlist>
|
|
|
|
</listitem>
|
|
|
|
<listitem><para>
|
|
Handle native DOS paths always as if mounted with "posix=0,noacl".
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Handle UNC paths starting with slashes identical to /cygdrive paths.
|
|
In other words, use the /cygdrive mount flags for these paths as well.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Recognize NWFS filesystem and workaround broken OS call.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
New support for eXtensible Data Record (XDR) encoding and decoding,
|
|
as defined by RFCs 1014, 1832, and 4506. The XDR protocol and
|
|
functions are useful for cross-platfrom data exchange, and are
|
|
commonly used as the core data interchange format for Remote
|
|
Procedure Call (RPC) and NFS.
|
|
</para></listitem>
|
|
|
|
</itemizedlist>
|
|
|
|
</sect2>
|
|
|
|
<sect2 id="ov-new1.7.1"><title>What's new and what changed from 1.5 to 1.7</title>
|
|
|
|
<sect3 id="ov-new1.7-os"><title>OS related changes</title>
|
|
|
|
<itemizedlist mark="bullet">
|
|
|
|
<listitem><para>
|
|
Windows 95, 98 and Me are not supported anymore. The new Cygwin 1.7 DLL
|
|
will not run on any of these systems.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Add support for Windows 7 and Windows Server 2008 R2.
|
|
</para></listitem>
|
|
|
|
</itemizedlist>
|
|
|
|
</sect3>
|
|
|
|
<sect3 id="ov-new1.7-file"><title>File Access related changes</title>
|
|
|
|
<itemizedlist mark="bullet">
|
|
|
|
<listitem><para>
|
|
Mount points are no longer stored in the registry. Use /etc/fstab and
|
|
/etc/fstab.d/$USER instead. Mount points created with mount(1) are only
|
|
local to the current session and disappear when the last Cygwin process
|
|
in the session exits.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Cygwin creates the mount points for /, /usr/bin, and /usr/lib
|
|
automatically from it's own position on the disk. They don't have to be
|
|
specified in /etc/fstab.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
If a filename cannot be represented in the current character set, the
|
|
character will be converted to a sequence Ctrl-X + UTF-8 representation
|
|
of the character. This allows to access all files, even those not
|
|
having a valid representation of their filename in the current character
|
|
set. To always have a valid string, use the UTF-8 charset by
|
|
setting the environment variable $LANG, $LC_ALL, or $LC_CTYPE to a valid
|
|
POSIX value, such as "en_US.UTF-8".
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
PATH_MAX is now 4096. Internally, path names can be as long as the
|
|
underlying OS can handle (32K).
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
struct dirent now supports d_type, filled out with DT_REG or DT_DIR.
|
|
All other file types return as DT_UNKNOWN for performance reasons.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
The CYGWIN environment variable options "ntsec" and "smbntsec" have been
|
|
replaced by the per-mount option "acl"/"noacl".
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
The CYGWIN environment variable option "ntea" has been removed without
|
|
substitute.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
The CYGWIN environment variable option "check_case" has been removed in
|
|
favor of real case-sensitivity on file systems supporting it.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Creating filenames with special DOS characters '"', '*', ':', '<',
|
|
'>', '|' is supported.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Creating files with special DOS device filename components ("aux",
|
|
"nul", "prn") is supported.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
File names are case sensitive if the OS and the underlying file system
|
|
supports it. Works on NTFS and NFS. Does not work on FAT and Samba
|
|
shares. Requires to change a registry key (see the User's Guide). Can
|
|
be switched off on a per-mount basis.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Due to the above changes, managed mounts have been removed.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Incoming DOS paths are always handled case-insensitive and get no POSIX
|
|
permission, as if they are mounted with noacl,posix=0 mount flags.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
unlink(2) and rmdir(2) try very hard to remove files/directories even if
|
|
they are currently accessed or locked. This is done by utilizing the
|
|
hidden recycle bin directories and marking the files for deletion.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
rename(2) rewritten to be more POSIX conformant.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
access(2) now performs checks using the real user ID, as required by
|
|
POSIX; the old behavior of querying based on effective user ID is
|
|
available through the new faccessat(2) and euidaccess(2) APIs.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Add st_birthtim member to struct stat.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
File locking is now advisory, not mandatory anymore. The fcntl(2) and
|
|
the new lockf(2) APIs create and maintain locks with POSIX semantics,
|
|
the flock(2) API creates and maintains locks with BSD semantics. POSIX
|
|
and BSD locks are independent of each other.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Implement atomic O_APPEND mode.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
New open(2) flags O_DIRECTORY, O_EXEC and O_SEARCH.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Make the "plain file with SYSTEM attribute set" style symlink default
|
|
again when creating symlinks. Only create Windows shortcut style
|
|
symlinks if CYGWIN=winsymlinks is set in the environment.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Symlinks now use UTF-16 encoding for the target filename for better
|
|
internationalization support. Cygwin 1.7 can read all old style
|
|
symlinks, but the new style is not compatible with older Cygwin
|
|
releases.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Handle NTFS native symlinks available since Vista/2008 as symlinks (but
|
|
don't create Vista/2008 symlinks due to unfortunate OS restrictions).
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Recognize NFS shares and handle them using native mechanisms. Recognize
|
|
and create real symlinks on NFS shares. Get correct stat(2) information
|
|
and set real mode bits on open(2), mkdir(2) and chmod(2).
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Recognize MVFS and workaround problems manipulating metadata and handling
|
|
DOS attributes.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Recognize Netapp DataOnTap drives and fix inode number handling.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Recognize Samba version beginning with Samba 3.0.28a using the new
|
|
extended version information negotiated with the Samba developers.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Stop faking hardlinks by copying the file on filesystems which don't
|
|
support hardlinks natively (FAT, FAT32, etc.). Just return an error
|
|
instead, just like Linux.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
List servers of all accessible domains and workgroups in // instead of
|
|
just the servers in the own domain/workgroup.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Support Linux-like extended attributes ([fl]getxattr, [fl]listxattr,
|
|
[fl]setxattr, [fl]removexattr).
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
New file conversion API for conversion from Win32 to POSIX path and vice
|
|
versa (cygwin_conv_path, cygwin_create_path, cygwin_conv_path_list).
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
New openat family of functions: openat, faccessat, fchmodat, fchownat,
|
|
fstatat, futimesat, linkat, mkdirat, mkfifoat, mknodat, readlinkat,
|
|
renameat, symlinkat, unlinkat.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Other new APIs: posix_fadvise, posix_fallocate, funopen, fopencookie,
|
|
open_memstream, open_wmemstream, fmemopen, fdopendir, fpurge, mkstemps,
|
|
eaccess, euidaccess, canonicalize_file_name, fexecve, execvpe.
|
|
</para></listitem>
|
|
|
|
</itemizedlist>
|
|
|
|
</sect3>
|
|
|
|
<sect3 id="ov-new1.7-net"><title>Network related changes</title>
|
|
|
|
<itemizedlist mark="bullet">
|
|
|
|
<listitem><para>
|
|
New implementation for blocking sockets and select on sockets which is
|
|
supposed to allow POSIX-compatible sharing of sockets between threads
|
|
and processes.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
send/sendto/sendmsg now send data in 64K chunks to circumvent an
|
|
internal buffer problem in WinSock (KB 201213).
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
New send/recv option MSG_DONTWAIT.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
IPv6 support. New APIs getaddrinfo, getnameinfo, freeaddrinfo,
|
|
gai_strerror, in6addr_any, in6addr_loopback. On IPv6-less systems,
|
|
replacement functions are available for IPv4. On systems with IPv6
|
|
enabled, the underlying WinSock functions are used. While I tried hard
|
|
to get the functionality as POSIXy as possible, keep in mind that a
|
|
*fully* conformant implementation of getaddrinfo and other stuff is only
|
|
available starting with Windows Vista/2008.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Resolver functions (res_init, res_query, res_search, res_querydomain,
|
|
res_mkquery, res_send, dn_comp, dn_expand) are now part of Cygwin.
|
|
Applications don't have to link against minires anymore. Actually, this
|
|
*is* the former libminires.a.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
rcmd is now implemented inside of Cygwin, instead of calling the WinSock
|
|
function. This allows rsh(1) usage on Vista/2008 and later, which
|
|
dropped this function from WinSock.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Define multicast structures in netinet/in.h. Note that fully conformant
|
|
multicast support is only available beginning with Vista/2008.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Improve get_ifconf. Redefine struct ifreq and subsequent datastructures
|
|
to be able to keep more information. Support SIOCGIFINDEX,
|
|
SIOCGIFDSTADDR and the Cygwin specific SIOCGIFFRNDLYNAM. Support real
|
|
interface flags on systems supporting them.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Other new APIs: bindresvport, bindresvport_sa, gethostbyname2,
|
|
iruserok_sa, rcmd_af, rresvport_af. getifaddrs, freeifaddrs,
|
|
if_nametoindex, if_indextoname, if_nameindex, if_freenameindex.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Add /proc/net/if_inet6.
|
|
</para></listitem>
|
|
|
|
</itemizedlist>
|
|
|
|
</sect3>
|
|
|
|
<sect3 id="ov-new1.7-device"><title>Device related changes</title>
|
|
|
|
<itemizedlist mark="bullet">
|
|
|
|
<listitem><para>
|
|
Reworked pipe implementation which uses overlapped IO to create more
|
|
reliable interruptible pipes and fifos.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
The CYGWIN environment variable option "binmode" has been removed.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Improved fifo handling by using native Windows named pipes.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Detect when a stdin/stdout which looks like a pipe is really a tty.
|
|
Among other things, this allows a debugged application to recognize that
|
|
it is using the same tty as the debugger.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Support UTF-8 in console window.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
In the console window the backspace key now emits DEL (0x7f) instead of
|
|
BS (0x08), Alt-Backspace emits ESC-DEL (0x1b,0x7f) instead of DEL
|
|
(0x7f), same as the Linux console and xterm. Control-Space now emits an
|
|
ASCII NUL (0x0) character.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Support up to 64 serial interfaces using /dev/ttyS0 - /dev/ttyS63.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Support up to 128 raw disk drives /dev/sda - /dev/sddx.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
New API: cfmakeraw, get_avphys_pages, get_nprocs, get_nprocs_conf,
|
|
get_phys_pages, posix_openpt.
|
|
</para></listitem>
|
|
|
|
</itemizedlist>
|
|
|
|
</sect3>
|
|
|
|
<sect3 id="ov-new1.7-posix"><title>Other POSIX related changes</title>
|
|
|
|
<itemizedlist mark="bullet">
|
|
|
|
<listitem><para>
|
|
A lot of character sets are supported now via a call to setlocale().
|
|
The setting of the environment variables $LANG, $LC_ALL or $LC_CTYPE
|
|
will be used. For instance, setting $LANG to "de_DE.ISO-8859-15" before
|
|
starting a Cygwin session will use the ISO-8859-15 character set in the
|
|
entire session. The default locale in the absence of one of the
|
|
aforementioned environment variables is "C.UTF-8".
|
|
</para>
|
|
|
|
<para>
|
|
The full list of supported character sets: "ASCII", "ISO-8859-x" with x
|
|
in 1-16, except 12, "UTF-8", Windows codepages "CPxxx", with xxx in
|
|
(437, 720, 737, 775, 850, 852, 855, 857, 858, 862, 866, 874, 1125, 1250,
|
|
1251, 1252, 1253, 1254, 1255, 1256, 1257, 1258), "KOI8-R", "KOI8-U",
|
|
"SJIS", "GBK", "eucJP", "eucKR", and "Big5".
|
|
</para>
|
|
|
|
</listitem>
|
|
|
|
<listitem><para>
|
|
Allow multiple concurrent read locks per thread for pthread_rwlock_t.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Implement pthread_kill(thread, 0) as per POSIX.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
New API for POSIX IPC: Named semaphores: sem_open, sem_close,
|
|
sem_unlink. Message queues: mq_open, mq_getattr, mq_setattr, mq_notify,
|
|
mq_send, mq_timedsend, mq_receive, mq_timedreceive, mq_close, mq_unlink.
|
|
Shared memory: shm_open, shm_unlink.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Only declare expected functions in <strings.h>, don't include
|
|
<string.h> from here.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Support for WCONTINUED, WIFCONTINUED() added to waitpid and wait4.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
New APIs: _Exit, confstr, insque, remque, sys_sigabbrev, posix_madvise,
|
|
posix_memalign, reallocf, exp10, exp10f, pow10, pow10f, lrint, lrintf,
|
|
rint, rintf, llrint, llrintf, llrintl, lrintl, rintl, mbsnrtowcs,
|
|
strcasestr, stpcpy, stpncpy, wcpcpy, wcpncpy, wcsnlen, wcsnrtombs,
|
|
wcsftime, wcstod, wcstof, wcstoimax, wcstok, wcstol, wcstoll, wcstoul,
|
|
wcstoull, wcstoumax, wcsxfrm, wcscasecmp, wcsncasecmp, fgetwc, fgetws,
|
|
fputwc, fputws, fwide, getwc, getwchar, putwc, putwchar, ungetwc,
|
|
asnprintf, dprintf, vasnprintf, vdprintf, wprintf, fwprintf, swprintf,
|
|
vwprintf, vfwprintf, vswprintf, wscanf, fwscanf, swscanf, vwscanf,
|
|
vfwscanf, vswscanf.
|
|
</para></listitem>
|
|
|
|
</itemizedlist>
|
|
|
|
</sect3>
|
|
|
|
<sect3 id="ov-new1.7-sec"><title>Security related changes</title>
|
|
|
|
<itemizedlist mark="bullet">
|
|
|
|
<listitem><para>
|
|
Getting a domain user's groups is hopefully more bulletproof now.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Cygwin now comes with a real LSA authentication package. This must be
|
|
manually installed by a privileged user using the /bin/cyglsa-config
|
|
script. The advantages and disadvantages are noted in
|
|
http://cygwin.com/ml/cygwin-developers/2006-11/msg00000.html
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Cygwin now allows storage and use of user passwords in a hidden area of
|
|
the registry. This is tried first when Cygwin is called by privileged
|
|
processes to switch the user context. This allows, for instance, ssh
|
|
public key sessions with full network credentials to access shares on
|
|
other machines.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
New options have been added to the mkpasswd and mkgroup tools to ease
|
|
use in multi-machine and multi-domain environments. The existing
|
|
options have a slightly changed behaviour.
|
|
</para></listitem>
|
|
|
|
</itemizedlist>
|
|
|
|
</sect3>
|
|
|
|
<sect3 id="ov-new1.7-misc"><title>Miscellaneous</title>
|
|
|
|
<itemizedlist mark="bullet">
|
|
|
|
<listitem><para>
|
|
New ldd utility, similar to Linux.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
New link libraries libdl.a, libresolv.a, librt.a.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Fallout from the long path names: If the current working directory is
|
|
longer than 260 bytes, or if the current working directory is a virtual
|
|
path (like /proc, /cygdrive, //server), don't call native Win32 programs
|
|
since they don't understand these paths.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
On the first usage of a DOS path (C:\foo, \\foo\bar), the Cygwin DLL
|
|
emits a scary warning that DOS paths shouldn't be used. This warning
|
|
may be disabled via the new CYGWIN=nodosfilewarning setting.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
The CYGWIN environment variable option "server" has been removed.
|
|
Cygwin automatically uses cygserver if it's available.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Allow environment of arbitrary size instead of a maximum of 32K.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Don't force uppercase environment when started from a non-Cygwin
|
|
process. Except for certain Windows and POSIX variables which are
|
|
always uppercased, preserve environment case. Switch back to old
|
|
behaviour with the new CYGWIN=upcaseenv setting.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Detect and report a missing DLL on process startup.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Add /proc/registry32 and /proc/registry64 paths to access 32 bit and 64
|
|
bit registry on 64 bit systems.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Add the ability to distinguish registry keys and registry values with
|
|
the same name in the same registry subtree. The key is called "foo" and
|
|
the value will be called "foo%val" in this case.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Align /proc/cpuinfo more closly to Linux content.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Add /proc/$PID/mounts entries and a symlink /proc/mounts pointing to
|
|
/proc/self/mounts as on Linux.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Optimized strstr and memmem implementation.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Remove backwards compatibility with old signal masks. (Some *very* old
|
|
programs which use signal masks may no longer work correctly).
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Cygwin now exports wrapper functions for libstdc++ operators new and
|
|
delete, to support the toolchain in implementing full C++ standards
|
|
conformance when working with shared libraries.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Different Cygwin installations in different paths can be run in parallel
|
|
without knowing of each other. The path of the Cygwin DLL used in a
|
|
process is a key used when creating IPC objects. So different Cygwin
|
|
DLLs are running in different namespaces.
|
|
</para></listitem>
|
|
|
|
<listitem><para>
|
|
Each Cygwin DLL stores its path and installation key in the registry.
|
|
This allows troubleshooting of problems which could be a result of
|
|
having multiple concurrent Cygwin installations.
|
|
</para></listitem>
|
|
|
|
</itemizedlist>
|
|
|
|
</sect3>
|
|
|
|
</sect2>
|
|
|
|
</sect1>
|