65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
|
/* Copyright (C) 1993 Free Software Foundation, Inc.
|
||
|
|
This file is part of the GNU C Library.
|
||
|
|
|
||
|
|
The GNU C Library is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU Library General Public License as
|
||
|
|
published by the Free Software Foundation; either version 2 of the
|
||
|
|
License, or (at your option) any later version.
|
||
|
|
|
||
|
|
The GNU C Library 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
|
||
|
|
Library General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Library General Public
|
||
|
|
License along with the GNU C Library; see the file COPYING.LIB. If
|
||
|
|
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
|
||
|
|
Cambridge, MA 02139, USA. */
|
||
|
|
|
||
|
|
#include <mach.h>
|
||
|
|
|
||
|
|
kern_return_t
|
||
|
|
__mach_get_priv_ports (mach_port_t *host_priv_ptr,
|
||
|
|
mach_port_t *device_master_ptr)
|
||
|
|
{
|
||
|
|
kern_return_t err;
|
||
|
|
mach_port_t bootstrap, reply;
|
||
|
|
|
||
|
|
struct
|
||
|
|
{
|
||
|
|
mach_msg_header_t hdr;
|
||
|
|
mach_msg_type_t host_priv_type;
|
||
|
|
mach_port_t host_priv;
|
||
|
|
mach_msg_type_t dev_master_type;
|
||
|
|
mach_port_t dev_master;
|
||
|
|
} msg;
|
||
|
|
|
||
|
|
if (err = task_get_bootstrap_port (mach_task_self (), &bootstrap))
|
||
|
|
return err;
|
||
|
|
|
||
|
|
/* We cannot simply use a MiG-generated user stub to do this,
|
||
|
|
because the return message does not contain a return code datum. */
|
||
|
|
reply = __mach_reply_port ();
|
||
|
|
msg.hdr.msgh_bits = MACH_MSGH_BITS (MACH_MSG_TYPE_COPY_SEND,
|
||
|
|
MACH_MSG_TYPE_MAKE_SEND_ONCE);
|
||
|
|
msg.hdr.msgh_size = 0;
|
||
|
|
msg.hdr.msgh_remote_port = bootstrap;
|
||
|
|
msg.hdr.msgh_local_port = reply;
|
||
|
|
msg.hdr.msgh_kind = MACH_MSGH_KIND_NORMAL;
|
||
|
|
msg.hdr.msgh_id = 999999;
|
||
|
|
err = __mach_msg (&msg.hdr,
|
||
|
|
MACH_SEND_MSG|MACH_RCV_MSG|MACH_RCV_TIMEOUT,
|
||
|
|
sizeof (msg.hdr), sizeof (msg), reply,
|
||
|
|
500, MACH_PORT_NULL); /* XXX timeout is arbitrary */
|
||
|
|
mach_port_deallocate (mach_task_self (), bootstrap);
|
||
|
|
mach_port_deallocate (mach_task_self (), reply);
|
||
|
|
|
||
|
|
if (err == KERN_SUCCESS)
|
||
|
|
{
|
||
|
|
*host_priv_ptr = msg.host_priv;
|
||
|
|
*device_master_ptr = msg.dev_master;
|
||
|
|
}
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|