glibc/hurd/hurdrlimit.c

59 lines
1.9 KiB
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, 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);