libcons/

2002-08-22  Marcus Brinkmann  <marcus@gnu.org>

	* demuxer.c, init-init.c, init-loop.c, opts-version.c,
	extra-version.c, dir-changed.c, file-changed.c,
	opts-std-startup.c, cons-lookup.c, cons-switch.c, vcons-remove.c,
	vcons-add.c, vcons-open.c, vcons-close.c, vcons-refresh.c, priv.h,
	mutations.h, cons.h: New files.

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;
+}