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ae49f218da
hurd initialization stages use RUN_HOOK to run various initialization functions. That is however using absolute addresses which need to be relocated, which is done later by csu. We can however easily make the linker compute relative addresses which thus don't need a relocation. The new SET_RELHOOK and RUN_RELHOOK macros implement this.
58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
/* Resource limits.
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Copyright (C) 1994-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <hurd.h>
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#include <lock-intern.h>
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#include <hurd/resource.h>
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#include "set-hooks.h"
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/* This must be given an initializer, or the a.out linking rules will
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not include the entire file when this symbol is referenced. */
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struct rlimit _hurd_rlimits[RLIM_NLIMITS] = { { 0, }, };
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/* This must be initialized data for the same reason as above, but this is
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intentionally initialized to a bogus value to emphasize the point that
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mutex_init is still required below just in case of unexec. */
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struct mutex _hurd_rlimit_lock = { SPIN_LOCK_INITIALIZER, };
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static void attribute_used_retain
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init_rlimit (void)
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{
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int i;
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__mutex_init (&_hurd_rlimit_lock);
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for (i = 0; i < RLIM_NLIMITS; ++i)
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{
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if (_hurd_rlimits[i].rlim_max == 0)
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_hurd_rlimits[i].rlim_max = RLIM_INFINITY;
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if (_hurd_rlimits[i].rlim_cur == 0)
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#define I(lim, val) case RLIMIT_##lim: _hurd_rlimits[i].rlim_cur = (val); break
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switch (i)
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{
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I (NOFILE, 1024); /* Linux 2.2.12 uses this initial value. */
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default:
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_hurd_rlimits[i].rlim_cur = _hurd_rlimits[i].rlim_max;
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break;
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}
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#undef I
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}
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}
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SET_RELHOOK (_hurd_preinit_hook, init_rlimit);
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