1: /* Resource limits.
    2:    Copyright (C) 1994,95,97,2000 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 Lesser General Public
    7:    License as published by the Free Software Foundation; either
    8:    version 2.1 of the 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:    Lesser General Public License for more details.
   14: 
   15:    You should have received a copy of the GNU Lesser General Public
   16:    License along with the GNU C Library; if not, write to the Free
   17:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   18:    02111-1307 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: #define I(lim, val) case RLIMIT_##lim: _hurd_rlimits[i].rlim_cur = (val); break
   46:         switch (i)
   47:           {
   48:             I (NOFILE, 1024);  /* Linux 2.2.12 uses this initial value.  */
   49: 
   50:           default:
   51:             _hurd_rlimits[i].rlim_cur = _hurd_rlimits[i].rlim_max;
   52:             break;
   53:           }
   54: #undef  I
   55:     }
   56: 
   57:   (void) &init_rlimit;
   58: }
   59: text_set_element (_hurd_preinit_hook, init_rlimit);