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hurdrlimit.c

/* Resource limits.
   Copyright (C) 1994,95,97,2000 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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#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);

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