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dd3121df08
Hide internal __setrlimit function to allow direct access within libc.so and libc.a without using GOT nor PLT. [BZ #18822] * include/sys/resource.h (__setrlimit): Add libc_hidden_proto. * resource/setrlimit.c (__setrlimit): Add libc_hidden_def. * sysdeps/mach/hurd/setrlimit.c (__setrlimit): Likewise. * sysdeps/unix/sysv/linux/setrlimit.c (__setrlimit): Likewise. * sysdeps/unix/sysv/linux/setrlimit64.c (__GI___setrlimit): New.
61 lines
2.0 KiB
C
61 lines
2.0 KiB
C
/* Linux setrlimit implementation (32 bits off_t).
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Copyright (C) 2016-2017 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 <shlib-compat.h>
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#if !__RLIM_T_MATCHES_RLIM64_T
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/* The compatibility symbol is meant to match the old __NR_getrlimit syscall
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(with broken RLIM_INFINITY definition). It should be provided iff
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__NR_getrlimit and __NR_ugetrlimit are both defined. */
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# ifndef __NR_ugetrlimit
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# undef SHLIB_COMPAT
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# define SHLIB_COMPAT(a, b, c) 0
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# endif
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int
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__setrlimit (enum __rlimit_resource resource, const struct rlimit *rlim)
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{
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struct rlimit64 rlim64;
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if (rlim->rlim_cur == RLIM_INFINITY)
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rlim64.rlim_cur = RLIM64_INFINITY;
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else
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rlim64.rlim_cur = rlim->rlim_cur;
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if (rlim->rlim_max == RLIM_INFINITY)
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rlim64.rlim_max = RLIM64_INFINITY;
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else
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rlim64.rlim_max = rlim->rlim_max;
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return INLINE_SYSCALL_CALL (prlimit64, 0, resource, &rlim64, NULL);
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}
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libc_hidden_def (__setrlimit)
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# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2)
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strong_alias (__setrlimit, __setrlimit_1)
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compat_symbol (libc, __setrlimit, setrlimit, GLIBC_2_0);
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versioned_symbol (libc, __setrlimit_1, setrlimit, GLIBC_2_2);
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# else
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weak_alias (__setrlimit, setrlimit)
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# endif
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#endif /* __RLIM_T_MATCHES_RLIM64_T */
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