1 files changed, 45 insertions, 0 deletions
diff --git a/libcons/vcons-close.c b/libcons/vcons-close.c
new file mode 100644
index 00000000..33a38982
--- /dev/null
+++ b/libcons/vcons-close.c
@@ -0,0 +1,45 @@
+/* vcons-close.c - Close a virtual console.
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   Written by Marcus Brinkmann.
+
+   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 <assert.h>
+
+#include <hurd.h>
+#include <hurd/ports.h>
+#include <cthreads.h>
+
+#include "cons.h"
+
+/* Close the virtual console VCONS.  */
+void
+cons_vcons_close (vcons_t vcons)
+{
+  cons_t cons = vcons->cons;
+  vcons_list_t vcons_entry = vcons->vcons_entry;
+
+  mutex_lock (&cons->lock);
+  /* The same virtual console should never be opened twice.  */
+  assert (vcons_entry->vcons == vcons);
+  vcons_entry->vcons = NULL;
+  mutex_unlock (&cons->lock);
+
+  /* Destroy the port.  */
+  ports_port_deref (vcons);
+  ports_destroy_right (vcons);
+}