Initial checkin.

1 files changed, 32 insertions, 0 deletions

diff --git a/libstore/map.c b/libstore/map.c
new file mode 100644
index 00000000..4ba779ea
--- /dev/null
+++ b/libstore/map.c
@@ -0,0 +1,32 @@
+/* Direct store mapping
+
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   Written by Miles Bader <miles@gnu.ai.mit.edu>
+   This task is part of the GNU Hurd.
+
+   The GNU Hurd 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.
+
+   The GNU Hurd 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
+
+#include "store.h"
+
+/* Return a memory object paging on STORE.  [among other reasons,] this may
+   fail because store contains non-contiguous regions on the underlying
+   object.  In such a case you can try calling some of the routines below to
+   get a pager.  */
+error_t store_map (const struct store *store, vm_prot_t prot, mach_port_t *memobj)
+{
+  error_t (*map) (const struct store *store, vm_prot_t prot, mach_port_t *memobj) =
+    store->class->map;
+  return map ? (*map) (store, prot, memobj) : EOPNOTSUPP;
+}