1 files changed, 79 insertions, 0 deletions
diff --git a/libpager/object-init.c b/libpager/object-init.c
new file mode 100644
index 00000000..eeb50993
--- /dev/null
+++ b/libpager/object-init.c
@@ -0,0 +1,79 @@
+/* Implementation of memory_object_init for pager library
+   Copyright (C) 1994, 1995, 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"
+#include "memory_object_S.h"
+#include <stdio.h>
+
+/* Implement the object initialiation call as described in
+   <mach/memory_object.defs>.  */
+kern_return_t
+_pager_seqnos_memory_object_init (mach_port_t object, 
+				  mach_port_seqno_t seqno,
+				  mach_port_t control,
+				  mach_port_t name,
+				  vm_size_t pagesize)
+{
+  struct pager *p;
+
+  p = ports_lookup_port (0, object, _pager_class);
+  if (!p)
+    return EOPNOTSUPP;
+
+  mutex_lock (&p->interlock);
+  _pager_wait_for_seqno (p, seqno);
+
+  if (pagesize != __vm_page_size)
+    {
+      printf ("incg init: bad page size");
+      goto out;
+    }
+
+  if (p->pager_state != NOTINIT)
+    {
+#ifdef KERNEL_INIT_RACE
+      struct pending_init *i = malloc (sizeof (struct pending_init));
+      printf ("pager out-of-sequence init\n");
+      i->control = control;
+      i->name = name;
+
+      i->next = 0;
+      if (p->init_tail)
+	p->init_tail->next = i;
+      else
+	p->init_head = i;
+      p->init_tail = i;
+#else
+      printf ("pager dup init\n");
+#endif      
+      goto out;
+    }
+
+  p->memobjcntl = control;
+  p->memobjname = name;
+
+  memory_object_ready (control, p->may_cache, p->copy_strategy);
+
+  p->pager_state = NORMAL;
+
+ out:
+  _pager_release_seqno (p, seqno);
+  mutex_unlock (&p->interlock);
+  ports_port_deref (p);
+
+  return 0;
+}