Blame hurd/ports-get.c

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/* Copyright (C) 1994-2018 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 Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the 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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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, see
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   <http://www.gnu.org/licenses/>.  */
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#include <hurd.h>
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static error_t
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getbootstrap (mach_port_t *result)
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{
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  return __task_get_special_port (__mach_task_self (),
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				  TASK_BOOTSTRAP_PORT,
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				  result);
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}
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error_t (*_hurd_ports_getters[INIT_PORT_MAX]) (mach_port_t *result) =
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  {
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    [INIT_PORT_BOOTSTRAP] = getbootstrap,
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  };
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error_t
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_hurd_ports_get (unsigned int which, mach_port_t *result)
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{
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  if (which >= _hurd_nports)
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    return EINVAL;
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  if (which >= INIT_PORT_MAX || _hurd_ports_getters[which] == NULL)
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    return HURD_PORT_USE (&_hurd_ports[which],
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			  (*result = port) == MACH_PORT_NULL ? 0
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			  : __mach_port_mod_refs (__mach_task_self (),
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						  port, MACH_PORT_RIGHT_SEND,
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						  +1));
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  return (*_hurd_ports_getters[which]) (result);
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}