X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=doc%2Fposix-headers%2Ffcntl.texi;h=c87e8726d4807823860003e7066ca7877dc6d6cc;hb=176cd193605775b290fee26568eec5d1ebd47f58;hp=4b543d6e7e59eadd5ef9826d0b9567bad3a4118a;hpb=6ef93da4cacc1865683aa3d3d6e0a97e0ed3e429;p=gnulib.git

diff --git a/doc/posix-headers/fcntl.texi b/doc/posix-headers/fcntl.texi
index 4b543d6e7..c87e8726d 100644
--- a/doc/posix-headers/fcntl.texi
+++ b/doc/posix-headers/fcntl.texi
@@ -9,15 +9,25 @@ Portability problems fixed by Gnulib:
 @itemize
 @item
 @samp{O_CLOEXEC}, @samp{O_DIRECTORY}, @samp{O_DSYNC}, @samp{O_NOCTTY},
-@samp{O_NOFOLLOW}, @samp{O_NONBLOCK}, @samp{O_RSYNC}, @samp{O_SYNC},
+@samp{O_NOFOLLOW}, @samp{O_RSYNC}, @samp{O_SYNC},
 and @samp{O_TTY_INIT} are not defined on some platforms.  Gnulib defines
-these macros to 0.
+these macros to 0, which is generally safe.
+
+@item
+@samp{O_NONBLOCK} is not defined on some platforms.  If the
+@samp{nonblocking} module is in use, gnulib guarantees a working
+non-zero value; otherwise, the gnulib replacement is 0.
 
 @item
 @samp{O_EXEC} and @samp{O_SEARCH} are not defined on some platforms.
 Gnulib defines these macros to @samp{O_RDONLY}, which is typically 0.
 
 @item
+The @samp{O_ACCMODE} mask mistakenly omits @samp{O_SEARCH} and
+@samp{O_EXEC} on some platforms:
+Cygwin.
+
+@item
 @samp{O_BINARY}, @samp{O_TEXT} (not specified by POSIX, but essential for
 portability to Woe32 platforms) are defined on some platforms but not on
 others.
@@ -35,7 +45,7 @@ mingw.
 @item
 @samp{F_DUPFD_CLOEXEC} is not defined on some platforms:
 MacOS X 10.5, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, AIX 5.1, HP-UX 11,
-IRIX 6.5, OSF/1 5.1, Solaris 10, Cygwin 1.7.1, mingw, Interix 3.5,
+IRIX 6.5, OSF/1 5.1, Solaris 11 2010-11, Cygwin 1.7.1, mingw, Interix 3.5,
 BeOS.
 
 @item
@@ -48,7 +58,7 @@ glibc 2.3.6, MacOS X 10.5, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, AIX
 @item
 @samp{AT_FDCWD} is defined with a value too large for an @code{int} on some
 platforms:
-Solaris 10.
+Solaris 11 2010-11.
 @end itemize
 
 Portability problems not fixed by Gnulib: