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/* 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);
}
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