hurd/hurdrlimit.c

   1 /* Resource limits.
   2 Copyright (C) 1994, 1995 Free Software Foundation, Inc.
   3 This file is part of the GNU C Library.
   4
   5 The GNU C Library is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU Library General Public License as
   7 published by the Free Software Foundation; either version 2 of the
   8 License, or (at your option) any later version.
   9
  10 The GNU C Library is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 Library General Public License for more details.
  14
  15 You should have received a copy of the GNU Library General Public
  16 License along with the GNU C Library; see the file COPYING.LIB.  If
  17 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  18 Cambridge, MA 02139, USA.  */
  19
  20 #include <hurd.h>
  21 #include <cthreads.h>
  22 #include <hurd/resource.h>
  23
  24 /* This must be given an initializer, or the a.out linking rules will
  25    not include the entire file when this symbol is referenced. */
  26 struct rlimit _hurd_rlimits[RLIM_NLIMITS] = { { 0, }, };
  27
  28 /* This must be initialized data for the same reason as above, but this is
  29    intentionally initialized to a bogus value to emphasize the point that
  30    mutex_init is still required below just in case of unexec.  */
  31 struct mutex _hurd_rlimit_lock = { SPIN_LOCK_INITIALIZER, };
  32
  33 static void
  34 init_rlimit (void)
  35 {
  36   int i;
  37
  38   __mutex_init (&_hurd_rlimit_lock);
  39
  40   for (i = 0; i < RLIM_NLIMITS; ++i)
  41     {
  42       if (_hurd_rlimits[i].rlim_max == 0)
  43         _hurd_rlimits[i].rlim_max = RLIM_INFINITY;
  44       if (_hurd_rlimits[i].rlim_cur == 0)
  45         _hurd_rlimits[i].rlim_cur = _hurd_rlimits[i].rlim_max;
  46     }
  47
  48   (void) &init_rlimit;
  49 }
  50 text_set_element (_hurd_preinit_hook, init_rlimit);