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1 files changed, 72 insertions, 0 deletions

diff --git a/libpager/object-create.c b/libpager/object-create.c
new file mode 100644
index 00000000..89a76a96
--- /dev/null
+++ b/libpager/object-create.c
@@ -0,0 +1,72 @@
+/* Create a new memory object (Default pager only)
+   Copyright (C) 1994 Free Software Foundation, Inc.
+   Written by Michael I. Bushnell.
+
+   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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+
+#include "priv.h"
+#include "memory_object_create_S.h"
+
+/* Implement the object creation call as described in
+   <mach/memory_object_default.defs>. */
+kern_return_t
+_pager_seqnos_memory_object_create (mach_port_t master,
+				    mach_port_seqno_t seqno,
+				    mach_port_t newobject,
+				    vm_size_t objectsize,
+				    mach_port_t newctl,
+				    mach_port_t newname,
+				    vm_size_t objectpagesize)
+{
+  struct port_info *masterpi;
+  struct pager *p;
+
+  if (!pager_support_defpager)
+    return EOPNOTSUPP;
+  
+  if (objectpagesize != vm_page_size)
+    return EINVAL;
+
+  masterpi = ports_check_port_type (object, pager_master_port_type);
+  if (!masterpi)
+    return EOPNOTSUPP;
+  
+  p = ports_intern_external_port (newobject, sizeof (struct pager), 
+				  pager_port_type);
+  
+  p->pager_state = NORMAL;
+  mutex_init (&p->interlock);
+  condition_init (&p->wakeup);
+  p->lock_requests = 0;
+  p->attribute_requests = 0;
+  p->may_cache = 0;
+  p->copy_strategy = MEMORY_OBJECT_COPY_DELAY;
+  p->memobjcntl = newctl;
+  p->memobjname = newname;
+  p->seqno = -1;
+  p->noterm = 0;
+  p->waitingforseqno = 0;
+  p->pagemap = 0;
+  p->pagemapsize = 0;
+  
+  p->upi = pager_create_upi (p);
+
+  return 0;
+}
+
+