diff options
Diffstat (limited to 'libcons/init-init.c')
-rw-r--r-- | libcons/init-init.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/libcons/init-init.c b/libcons/init-init.c new file mode 100644 index 00000000..e84f0e67 --- /dev/null +++ b/libcons/init-init.c @@ -0,0 +1,99 @@ +/* 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 <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 (NULL, NULL); + if (!cons_port_class) + return errno; + + /* Create the console structure. */ + cons = malloc (sizeof (*cons)); + if (!cons) + return errno; + mutex_init (&cons->lock); + cons->vcons_list = NULL; + cons->vcons_last = NULL; + cons->active = 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_port->vcons = NULL; + + 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; +} |