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- /* 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;
- }
-