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55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/* Copyright (C) 2010-2015 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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<http://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <sys/resource.h>
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#include <sys/types.h>
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#include <sysdep.h>
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#include <kernel-features.h>
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/* Put the soft and hard limits for RESOURCE in *RLIMITS.
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Returns 0 if successful, -1 if not (and sets errno). */
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int
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getrlimit64 (enum __rlimit_resource resource, struct rlimit64 *rlimits)
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{
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#ifdef __ASSUME_PRLIMIT64
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return INLINE_SYSCALL (prlimit64, 4, 0, resource, NULL, rlimits);
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#else
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# ifdef __NR_prlimit64
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int res = INLINE_SYSCALL (prlimit64, 4, 0, resource, NULL, rlimits);
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if (res == 0 || errno != ENOSYS)
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return res;
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# endif
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struct rlimit rlimits32;
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if (__getrlimit (resource, &rlimits32) < 0)
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return -1;
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if (rlimits32.rlim_cur == RLIM_INFINITY)
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rlimits->rlim_cur = RLIM64_INFINITY;
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else
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rlimits->rlim_cur = rlimits32.rlim_cur;
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if (rlimits32.rlim_max == RLIM_INFINITY)
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rlimits->rlim_max = RLIM64_INFINITY;
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else
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rlimits->rlim_max = rlimits32.rlim_max;
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return 0;
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#endif
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}
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libc_hidden_def (getrlimit64)
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