Initial revision

1 files changed, 44 insertions, 0 deletions

diff --git a/libpager/pager-return.c b/libpager/pager-return.c
new file mode 100644
index 00000000..8953ad9a
--- /dev/null
+++ b/libpager/pager-return.c
@@ -0,0 +1,44 @@
+/* 
+   Copyright (C) 1996 Free Software Foundation, Inc.
+   Written by Michael I. Bushnell, p/BSG.
+
+   This file 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 "priv.h"
+
+/* Have all dirty pages written back, and also flush the contents of
+   the kernel's cache. */
+void
+pager_return (struct pager *p, int wait)
+{
+  vm_address_t offset;
+  vm_size_t len;
+  
+  pager_report_extent (p->upi, &offset, &len);
+  
+  _pager_lock_object (p, offset, len, MEMORY_OBJECT_RETURN_DIRTY, 1,
+		      VM_PROT_NO_CHANGE, wait);
+}
+
+void
+pager_return_some (struct pager *p, vm_address_t offset,
+		   vm_size_t size, int wait)
+{
+  _pager_lock_object (p, offset, size, MEMORY_OBJECT_RETURN_DIRTY, 1,
+		      VM_PROT_NO_CHANGE, wait);
+}
+