Document the fact that sendfile(2) can EOPNOTSUPP if the underlying

filesystem for the file being transferred doesn't support UIO_NOCOPY. Reported by: Niki Denev <nike_d@cytexbg.com>
2005-10-31 04:08:28 +00:00 · 2005-10-31 04:08:28 +00:00 · 9dc2f0df89
commit 9dc2f0df89
parent 012546dd27
1 changed files with 5 additions and 0 deletions
--- a/lib/libc/sys/sendfile.2
+++ b/lib/libc/sys/sendfile.2
@ -247,6 +247,11 @@ The
 .Fa s
 argument
 is not a socket.
+.It Bq Er EOPNOTSUPP
+The file system for descriptor
+.Fa fd
+does not support
+.Fn sendfile .
 .It Bq Er EPIPE
 The socket peer has closed the connection.
 .El