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/* init-init.c - Initialize the console library.
Copyright (C) 1995, 1996, 2002 Free Software Foundation, Inc.
Written by Michael I. Bushnell, p/BSG and 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 <errno.h>
#include <malloc.h>
#include <pthread.h>
#include <hurd.h>
#include <hurd/ports.h>
#include <mach.h>
#include "cons.h"
#include "priv.h"
struct port_bucket *cons_port_bucket;
struct port_class *cons_port_class;
error_t
cons_init (void)
{
error_t err;
cons_t cons;
cons_notify_t dir_notify_port;
mach_port_t dir_notify;
cons_port_bucket = ports_create_bucket ();
if (!cons_port_bucket)
return errno;
cons_port_class = ports_create_class (cons_vcons_destroy, NULL);
if (!cons_port_class)
return errno;
/* Create the console structure. */
cons = malloc (sizeof (*cons));
if (!cons)
return errno;
pthread_mutex_init (&cons->lock, NULL);
cons->vcons_list = NULL;
cons->vcons_last = NULL;
cons->dir = opendir (cons_file);
cons->slack = _cons_slack;
if (!cons->dir)
{
free (cons);
return errno;
}
cons->dirport = getdport (dirfd (cons->dir));
if (cons->dirport == MACH_PORT_NULL)
{
closedir (cons->dir);
free (cons);
return errno;
}
/* Request directory notifications. */
err = ports_create_port (cons_port_class, cons_port_bucket,
sizeof (*dir_notify_port), &dir_notify_port);
if (err)
{
mach_port_deallocate (mach_task_self (), cons->dirport);
closedir (cons->dir);
free (cons);
return err;
}
dir_notify_port->cons = cons;
dir_notify = ports_get_right (dir_notify_port);
err = dir_notice_changes (cons->dirport, dir_notify,
MACH_MSG_TYPE_MAKE_SEND);
if (err)
{
mach_port_deallocate (mach_task_self (), cons->dirport);
closedir (cons->dir);
free (cons);
return err;
}
return 0;
}
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