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authorKen Brown <kbrown@cornell.edu>2020-01-17 10:52:54 -0500
committerKen Brown <kbrown@cornell.edu>2020-01-20 09:47:41 -0500
commit4261a8f5cac478ee299f0feb3ae478dbf287427e (patch)
tree4b471bd75bd8bf05b53115fd215d17740ee86a46 /winsup
parent352dbd304be48cd47de4f588031b98b8e0202f33 (diff)
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Cygwin: document recent changes
Diffstat (limited to 'winsup')
-rw-r--r--winsup/cygwin/release/3.1.319
-rw-r--r--winsup/doc/new-features.xml15
2 files changed, 31 insertions, 3 deletions
diff --git a/winsup/cygwin/release/3.1.3 b/winsup/cygwin/release/3.1.3
index 4897411..425d8bb 100644
--- a/winsup/cygwin/release/3.1.3
+++ b/winsup/cygwin/release/3.1.3
@@ -1,5 +1,18 @@
-Bug Fixes
----------
+What changed:
+-------------
+
+- Allow symlinks to be opened with O_PATH | O_NOFOLLOW.
+
+- Allow the pathname argument to readlinkat(2) to be an empty string,
+ provided the dirfd argument refers to a symlink opened with
+ O_PATH | O_NOFOLLOW. The readlinkat call then operates on that
+ symlink.
+
+- Support the Linux-specific AT_EMPTY_PATH flag for fchownat(2) and
+ fstatat(2).
+
+Bug Fixes:
+----------
- Define CPU_SETSIZE, as on Linux.
Addresses: https://cygwin.com/ml/cygwin/2019-12/msg00248.html
@@ -7,6 +20,6 @@ Bug Fixes
- Fix the problem which overrides the code page setting.
Addresses: https://www.cygwin.com/ml/cygwin/2019-12/msg00292.html
-- Fix a regression that prevents the root of a drive from being the
+- Fix a regression that prevented the root of a drive from being the
Cygwin installation root.
Addresses: https://cygwin.com/ml/cygwin/2020-01/msg00111.html
diff --git a/winsup/doc/new-features.xml b/winsup/doc/new-features.xml
index 65bdc17..967c64a 100644
--- a/winsup/doc/new-features.xml
+++ b/winsup/doc/new-features.xml
@@ -54,6 +54,21 @@ Allow times(2) to have a NULL argument, as on Linux.
Improve /proc/cpuinfo output and align more closely with Linux.
</para></listitem>
+<listitem><para>
+Allow symlinks to be opened with O_PATH | O_NOFOLLOW.
+</para></listitem>
+
+<listitem><para>
+Allow the pathname argument to readlinkat(2) to be an empty string,
+provided the dirfd argument refers to a symlink opened with O_PATH |
+O_NOFOLLOW. The readlinkat call then operates on that symlink.
+</para></listitem>
+
+<listitem><para>
+Support the Linux-specific AT_EMPTY_PATH flag for fchownat(2) and
+fstatat(2).
+</para></listitem>
+
</itemizedlist>
</sect2>