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/* Linux setrlimit implementation (32 bits off_t).
Copyright (C) 2016-2017 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 <errno.h>
#include <sys/resource.h>
#include <sys/types.h>
#include <shlib-compat.h>
#if !__RLIM_T_MATCHES_RLIM64_T
/* The compatibility symbol is meant to match the old __NR_getrlimit syscall
(with broken RLIM_INFINITY definition). It should be provided iff
__NR_getrlimit and __NR_ugetrlimit are both defined. */
# ifndef __NR_ugetrlimit
# undef SHLIB_COMPAT
# define SHLIB_COMPAT(a, b, c) 0
# endif
int
__setrlimit (enum __rlimit_resource resource, const struct rlimit *rlim)
{
# ifdef __NR_prlimit64
struct rlimit64 rlim64;
if (rlim->rlim_cur == RLIM_INFINITY)
rlim64.rlim_cur = RLIM64_INFINITY;
else
rlim64.rlim_cur = rlim->rlim_cur;
if (rlim->rlim_max == RLIM_INFINITY)
rlim64.rlim_max = RLIM64_INFINITY;
else
rlim64.rlim_max = rlim->rlim_max;
int res = INLINE_SYSCALL_CALL (prlimit64, 0, resource, &rlim64, NULL);
if (res == 0 || errno != ENOSYS)
return res;
# endif
return INLINE_SYSCALL_CALL (setrlimit, resource, rlim);
}
# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2)
strong_alias (__setrlimit, __setrlimit_1)
compat_symbol (libc, __setrlimit, setrlimit, GLIBC_2_0);
versioned_symbol (libc, __setrlimit_1, setrlimit, GLIBC_2_2);
# else
weak_alias (__setrlimit, setrlimit)
# endif
#endif /* __RLIM_T_MATCHES_RLIM64_T */
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