1 files changed, 54 insertions, 0 deletions
diff --git a/libdiskfs/io-stubs.c b/libdiskfs/io-stubs.c
new file mode 100644
index 00000000..debb0fed
--- /dev/null
+++ b/libdiskfs/io-stubs.c
@@ -0,0 +1,54 @@
+/* 
+   Copyright (C) 1994 Free Software Foundation
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   This program is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include "priv.h"
+
+/* Unimplemented stubs. */
+
+/* Implement io_readsleep as described in <hurd/io.defs>
+   Semantics of ordinary files say this shouldn't happen, because
+   we never set use_read_size in the shared data. */
+error_t
+S_io_readsleep (struct protid *cred)
+{
+  if (!cred)
+    return EOPNOTSUPP;
+  
+  return 0;
+}
+
+/* Implement io_eofnotify as described in <hurd/io.defs>. 
+   We don't use this feature. */
+error_t
+S_io_eofnotify (struct protid *cred)
+{
+  if (!cred)
+    return EOPNOTSUPP;
+  
+  return 0;
+}
+
+/* Implement io_sigio as described in <hurd/io.defs>. 
+   We do this (in theory) but async IO is implemented here yet. */
+error_t
+S_io_sigio (struct protid *cred)
+{
+  if (!cred)
+    return EOPNOTSUPP;
+  
+  return 0;
+}