1 files changed, 122 insertions, 0 deletions
diff --git a/boot-proxy-exc/userland-boot.c b/boot-proxy-exc/userland-boot.c
new file mode 100644
index 00000000..20c818ff
--- /dev/null
+++ b/boot-proxy-exc/userland-boot.c
@@ -0,0 +1,122 @@
+/* boot_script.c support functions for running in a Mach user task.
+   Copyright (C) 2001 Free Software Foundation, Inc.
+
+   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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#include <mach.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <error.h>
+#include "boot_script.h"
+#include "mach_proxy.h"
+#include "util.h"
+
+extern boolean_t is_user;
+
+void *
+boot_script_malloc (unsigned int size)
+{
+  return malloc (size);
+}
+
+void
+boot_script_free (void *ptr, unsigned int size)
+{
+  free (ptr);
+}
+
+int
+boot_script_task_create (struct cmd *cmd)
+{
+  error_t err = task_create (mach_task_self (), 0, &cmd->task);
+  if (err)
+    {
+      error (0, err, "%s: task_create", cmd->path);
+      return BOOT_SCRIPT_MACH_ERROR;
+    }
+  debug ("creating task: %s, task port: %d", cmd->path, cmd->task);
+  if (is_user)
+    {
+      task_t pseudo_task = 0;
+      create_pseudo_task (cmd->task, &pseudo_task);
+      /* now it is the pseudo task port. */
+      cmd->task = pseudo_task;
+    }
+  err = task_suspend (cmd->task);
+  if (err)
+    {
+      error (0, err, "%s: task_suspend", cmd->path);
+      return BOOT_SCRIPT_MACH_ERROR;
+    }
+  return 0;
+}
+
+int
+boot_script_task_resume (struct cmd *cmd)
+{
+  debug ("resume task %s: %d", cmd->path, cmd->task);
+  error_t err = task_resume (cmd->task);
+  if (err)
+    {
+      error (0, err, "%s: task_resume", cmd->path);
+      return BOOT_SCRIPT_MACH_ERROR;
+    }
+  return 0;
+}
+
+int
+boot_script_prompt_task_resume (struct cmd *cmd)
+{
+  char xx[5];
+
+  printf ("Hit return to resume %s...", cmd->path);
+  fgets (xx, sizeof xx, stdin);
+
+  return boot_script_task_resume (cmd);
+}
+
+void
+boot_script_free_task (task_t task, int aborting)
+{
+  if (aborting)
+    task_terminate (task);
+  else if (!is_user)
+    mach_port_deallocate (mach_task_self (), task);
+  /* For the normal user, the task port will still be used,
+   * so we cannot deallocate the task port here.*/
+}
+
+int
+boot_script_insert_right (struct cmd *cmd, mach_port_t port, mach_port_t *name)
+{
+  error_t err = mach_port_insert_right (cmd->task,
+					port, port, MACH_MSG_TYPE_COPY_SEND);
+  if (err)
+    {
+      error (0, err, "%s: mach_port_insert_right", cmd->path);
+      return BOOT_SCRIPT_MACH_ERROR;
+    }
+  *name = port;
+  return 0;
+}
+
+int
+boot_script_insert_task_port (struct cmd *cmd, task_t task, mach_port_t *name)
+{
+  return boot_script_insert_right (cmd, task, name);
+}