1 files changed, 45 insertions, 0 deletions
diff --git a/libpager/pager-sync.c b/libpager/pager-sync.c
new file mode 100644
index 00000000..d98a3ac8
--- /dev/null
+++ b/libpager/pager-sync.c
@@ -0,0 +1,45 @@
+/* Functions for sync.
+   Copyright (C) 1994, 1996 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"
+
+/* Have the kernel write back all dirty pages in the pager; if
+   WAIT is set, then wait for them to be finally written before
+   returning. */
+void
+pager_sync (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_ALL, 0,
+		      VM_PROT_NO_CHANGE, wait);
+}
+
+
+/* Have the kernel write back some pages of a pager; if WAIT is set,
+   then wait for them to be finally written before returning. */
+void
+pager_sync_some (struct pager *p, vm_address_t offset,
+		 vm_size_t size, int wait)
+{
+  _pager_lock_object (p, offset, size, MEMORY_OBJECT_RETURN_ALL, 0,
+		      VM_PROT_NO_CHANGE, wait);
+}
+