mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-01 17:30:07 +00:00
04277e02d7
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
88 lines
2.9 KiB
C
88 lines
2.9 KiB
C
/* Linux getrlimit64 implementation (64 bits rlim_t).
|
|
Copyright (C) 2010-2019 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/types.h>
|
|
#include <shlib-compat.h>
|
|
|
|
/* Add this redirection so the strong_alias for __RLIM_T_MATCHES_RLIM64_T
|
|
linking getrlimit64 to {__}getrlimit does not throw a type error. */
|
|
#undef getrlimit
|
|
#undef __getrlimit
|
|
#define getrlimit getrlimit_redirect
|
|
#define __getrlimit __getrlimit_redirect
|
|
#include <sys/resource.h>
|
|
#undef getrlimit
|
|
#undef __getrlimit
|
|
|
|
/* Put the soft and hard limits for RESOURCE in *RLIMITS.
|
|
Returns 0 if successful, -1 if not (and sets errno). */
|
|
int
|
|
__getrlimit64 (enum __rlimit_resource resource, struct rlimit64 *rlimits)
|
|
{
|
|
return INLINE_SYSCALL_CALL (prlimit64, 0, resource, NULL, rlimits);
|
|
}
|
|
libc_hidden_def (__getrlimit64)
|
|
|
|
#if __RLIM_T_MATCHES_RLIM64_T
|
|
/* If both rlim_t and rlimt64_t are essentially the same type we can use
|
|
alias both interfaces. */
|
|
strong_alias (__getrlimit64, __GI_getrlimit)
|
|
strong_alias (__getrlimit64, __GI___getrlimit)
|
|
strong_alias (__getrlimit64, __getrlimit)
|
|
/* Alpha defines a versioned getrlimit{64}. */
|
|
# ifndef USE_VERSIONED_RLIMIT
|
|
weak_alias (__getrlimit64, getrlimit)
|
|
weak_alias (__getrlimit64, getrlimit64)
|
|
libc_hidden_weak (getrlimit64)
|
|
# else
|
|
weak_alias (__getrlimit64, __GI_getrlimit64)
|
|
# endif
|
|
|
|
#elif SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_2)
|
|
/* Back compatible 2GiB limited rlimit. */
|
|
extern int __new_getrlimit (enum __rlimit_resource, struct rlimit *)
|
|
attribute_hidden;
|
|
|
|
int
|
|
attribute_compat_text_section
|
|
__old_getrlimit64 (enum __rlimit_resource resource, struct rlimit64 *rlimits)
|
|
{
|
|
struct rlimit rlimits32;
|
|
|
|
if (__new_getrlimit (resource, &rlimits32) < 0)
|
|
return -1;
|
|
|
|
if (rlimits32.rlim_cur == RLIM_INFINITY)
|
|
rlimits->rlim_cur = RLIM64_INFINITY >> 1;
|
|
else
|
|
rlimits->rlim_cur = rlimits32.rlim_cur;
|
|
if (rlimits32.rlim_max == RLIM_INFINITY)
|
|
rlimits->rlim_max = RLIM64_INFINITY >> 1;
|
|
else
|
|
rlimits->rlim_max = rlimits32.rlim_max;
|
|
|
|
return 0;
|
|
}
|
|
versioned_symbol (libc, __getrlimit64, getrlimit64, GLIBC_2_2);
|
|
compat_symbol (libc, __old_getrlimit64, getrlimit64, GLIBC_2_1);
|
|
#else
|
|
weak_alias (__getrlimit64, getrlimit64)
|
|
libc_hidden_weak (getrlimit64)
|
|
#endif /* __RLIM_T_MATCHES_RLIM64_T */
|