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65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
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/* Copyright (C) 1993 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <mach.h>
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kern_return_t
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__mach_get_priv_ports (mach_port_t *host_priv_ptr,
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mach_port_t *device_master_ptr)
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{
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kern_return_t err;
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mach_port_t bootstrap, reply;
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struct
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{
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mach_msg_header_t hdr;
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mach_msg_type_t host_priv_type;
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mach_port_t host_priv;
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mach_msg_type_t dev_master_type;
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mach_port_t dev_master;
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} msg;
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if (err = task_get_bootstrap_port (mach_task_self (), &bootstrap))
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return err;
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/* We cannot simply use a MiG-generated user stub to do this,
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because the return message does not contain a return code datum. */
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reply = __mach_reply_port ();
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msg.hdr.msgh_bits = MACH_MSGH_BITS (MACH_MSG_TYPE_COPY_SEND,
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MACH_MSG_TYPE_MAKE_SEND_ONCE);
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msg.hdr.msgh_size = 0;
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msg.hdr.msgh_remote_port = bootstrap;
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msg.hdr.msgh_local_port = reply;
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msg.hdr.msgh_kind = MACH_MSGH_KIND_NORMAL;
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msg.hdr.msgh_id = 999999;
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err = __mach_msg (&msg.hdr,
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MACH_SEND_MSG|MACH_RCV_MSG|MACH_RCV_TIMEOUT,
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sizeof (msg.hdr), sizeof (msg), reply,
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500, MACH_PORT_NULL); /* XXX timeout is arbitrary */
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mach_port_deallocate (mach_task_self (), bootstrap);
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mach_port_deallocate (mach_task_self (), reply);
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if (err == KERN_SUCCESS)
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{
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*host_priv_ptr = msg.host_priv;
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*device_master_ptr = msg.dev_master;
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}
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return err;
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}
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