/* Resource limits.

   Copyright (C) 1994-2018 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 Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 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

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <hurd.h>

#include <cthreads.h>

#include <hurd/resource.h>

/* This must be given an initializer, or the a.out linking rules will

   not include the entire file when this symbol is referenced. */

struct rlimit _hurd_rlimits[RLIM_NLIMITS] = { { 0, }, };

/* This must be initialized data for the same reason as above, but this is

   intentionally initialized to a bogus value to emphasize the point that

   mutex_init is still required below just in case of unexec.  */

struct mutex _hurd_rlimit_lock = { SPIN_LOCK_INITIALIZER, };

static void

init_rlimit (void)

{

  int i;

  __mutex_init (&_hurd_rlimit_lock);

  for (i = 0; i < RLIM_NLIMITS; ++i)

    {

      if (_hurd_rlimits[i].rlim_max == 0)

	_hurd_rlimits[i].rlim_max = RLIM_INFINITY;

      if (_hurd_rlimits[i].rlim_cur == 0)

#define I(lim, val) case RLIMIT_##lim: _hurd_rlimits[i].rlim_cur = (val); break

	switch (i)

	  {

	    I (NOFILE, 1024);	/* Linux 2.2.12 uses this initial value.  */

	  default:

	    _hurd_rlimits[i].rlim_cur = _hurd_rlimits[i].rlim_max;

	    break;

	  }

#undef	I

    }

  (void) &init_rlimit;

}

text_set_element (_hurd_preinit_hook, init_rlimit);