1 files changed, 46 insertions, 0 deletions
diff --git a/libnetfs/release-peropen.c b/libnetfs/release-peropen.c
new file mode 100644
index 00000000..9a52184b
--- /dev/null
+++ b/libnetfs/release-peropen.c
@@ -0,0 +1,46 @@
+/* 
+   Copyright (C) 1996, 1997 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 "netfs.h"
+
+void
+netfs_release_peropen (struct peropen *po)
+{
+  mutex_lock (&po->np->lock);
+  if (--po->refcnt)
+    mutex_unlock (&po->np->lock);
+  else
+    {
+      if (po->root_parent)
+	mach_port_deallocate (mach_task_self (), po->root_parent);
+
+      if (po->shadow_root && po->shadow_root != po->np)
+	{
+	  mutex_lock (&po->shadow_root->lock);
+	  netfs_nput (po->shadow_root);
+	}
+      if (po->shadow_root_parent)
+	mach_port_deallocate (mach_task_self (), po->shadow_root_parent);
+
+      netfs_nput (po->np);
+
+      free (po);
+    }
+}