utimens: check for ctime update

[gnulib.git] / doc / posix-functions / utimensat.texi

diff --git a/doc/posix-functions/utimensat.texi b/doc/posix-functions/utimensat.texi
index 67f5078..85fc218 100644 (file)
--- a/doc/posix-functions/utimensat.texi
+++ b/doc/posix-functions/utimensat.texi
@@ -22,10 +22,18 @@ This function returns a bogus value instead of failing with
 @code{ENOSYS} on some platforms:
 Linux kernel 2.6.21.
 @item
+This function fails with @code{ENOSYS} if passed the flag
+@code{AT_SYMLINK_NOFOLLOW} on a regular file:
+Linux kernel 2.6.22.
+@item
 When using @code{UTIME_OMIT} or @code{UTIME_NOW}, some systems require
 the @code{tv_sec} argument to be 0, and don't necessarily handle all
 file permissions in the manner required by POSIX:
 Linux kernel 2.6.25.
+@item
+When using @code{UTIME_OMIT} for the modification time, but specifying
+an access time, some systems fail to update the change time:
+Linux kernel 2.6.32.
 @end itemize
 
 Portability problems not fixed by Gnulib: