1  /* Linux getrlimit implementation (32 bits rlim_t).
       2     Copyright (C) 2016-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library.  If not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <sys/resource.h>
      20  #include <sysdep.h>
      21  #include <shlib-compat.h>
      22  
      23  #if !__RLIM_T_MATCHES_RLIM64_T
      24  
      25  /* The __NR_getrlimit compatibility implementation is required iff
      26     __NR_ugetrlimit is also defined (meaning an old broken RLIM_INFINITY
      27     definition).  */
      28  # ifndef __NR_ugetrlimit
      29  #  define __NR_ugetrlimit __NR_getrlimit
      30  #  undef SHLIB_COMPAT
      31  #  define SHLIB_COMPAT(a, b, c) 0
      32  # endif
      33  
      34  int
      35  __new_getrlimit (enum __rlimit_resource resource, struct rlimit *rlim)
      36  {
      37    return INLINE_SYSCALL_CALL (ugetrlimit, resource, rlim);
      38  }
      39  weak_alias (__new_getrlimit, __getrlimit)
      40  hidden_weak (__getrlimit)
      41  
      42  # if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2)
      43  /* Back compatible 2Gig limited rlimit.  */
      44  int
      45  __old_getrlimit (enum __rlimit_resource resource, struct rlimit *rlim)
      46  {
      47    return INLINE_SYSCALL_CALL (getrlimit, resource, rlim);
      48  }
      49  compat_symbol (libc, __old_getrlimit, getrlimit, GLIBC_2_0);
      50  versioned_symbol (libc, __new_getrlimit, getrlimit, GLIBC_2_2);
      51  # else
      52  weak_alias (__new_getrlimit, getrlimit)
      53  # endif
      54  
      55  #endif /* __RLIM_T_MATCHES_RLIM64_T  */