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/* 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);
}
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