mkfifo-tests, etc.: allow HP-UX 11.11 bug

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

diff --git a/doc/posix-functions/mknod.texi b/doc/posix-functions/mknod.texi
index e7dd13c..6618694 100644 (file)
--- a/doc/posix-functions/mknod.texi
+++ b/doc/posix-functions/mknod.texi
@@ -26,4 +26,8 @@ Portability problems not fixed by Gnulib:
 Use of this function for anything except fifos is not portable,
 generally requiring super-user privileges and knowledge of supported
 device numbers.
+@item
+If the argument exists and is a directory, this function fails with
+@code{EISDIR} instead of the correct @code{EEXIST}:
+HP-UX 11.11.
 @end itemize