| /* Linux getrlimit64 implementation (64 bits rlim_t). |
| Copyright (C) 2010-2018 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 */ |
