doc: Mention reason for replacement on glibc/Linux systems.

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

diff --git a/doc/posix-functions/fcntl.texi b/doc/posix-functions/fcntl.texi
index 8278dc2..34e21ce 100644 (file)
--- a/doc/posix-functions/fcntl.texi
+++ b/doc/posix-functions/fcntl.texi
@@ -15,6 +15,7 @@ mingw, MSVC 9.
 @item
 This function does not support @code{F_DUPFD_CLOEXEC} on some
 platforms:
+glibc with Linux kernels before 2.6.24,
 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 11 2010-11, Cygwin 1.7.1, Interix 3.5,
 BeOS.