1  /* Copyright (C) 2013-2023 Free Software Foundation, Inc.
       2     This file is part of the GNU C Library.
       3  
       4     The GNU C Library is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU Lesser General Public
       6     License as published by the Free Software Foundation; either
       7     version 2.1 of the License, or (at your option) any later version.
       8  
       9     The GNU C Library is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      12     Lesser General Public License for more details.
      13  
      14     You should have received a copy of the GNU Lesser General Public
      15     License along with the GNU C Library; if not, see
      16     <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <sgidefs.h>
      19  
      20  #if _MIPS_SIM == _ABIO32 || _MIPS_SIM == _ABIN32
      21  
      22  # include <shlib-compat.h>
      23  
      24  # define getrlimit64 __new_getrlimit64
      25  # include <sysdeps/unix/sysv/linux/getrlimit64.c>
      26  # undef getrlimit64
      27  
      28  versioned_symbol (libc, __getrlimit64, getrlimit64, GLIBC_2_19);
      29  strong_alias (__getrlimit64, __GI_getrlimit64)
      30  
      31  # if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_19)
      32  
      33  /* RLIM64_INFINITY was supposed to be a glibc convention rather than
      34     anything seen by the kernel, but it ended being passed to the kernel
      35     through the prlimit64 syscall.  Given that a lot of binaries with
      36     the wrong constant value are in the wild, provide a wrapper function
      37     fixing the value after the syscall.  */
      38  
      39  #  define OLD_RLIM64_INFINITY		0x7fffffffffffffffULL
      40  
      41  int
      42  attribute_compat_text_section
      43  __old_getrlimit64 (enum __rlimit_resource resource,
      44  		   struct rlimit64 *rlimits)
      45  {
      46    struct rlimit64 krlimits;
      47  
      48    if (__getrlimit64 (resource, &krlimits) < 0)
      49      return -1;
      50  
      51    if (krlimits.rlim_cur == RLIM64_INFINITY)
      52      rlimits->rlim_cur = OLD_RLIM64_INFINITY;
      53    else
      54      rlimits->rlim_cur = krlimits.rlim_cur;
      55    if (krlimits.rlim_max == RLIM64_INFINITY)
      56      rlimits->rlim_max = OLD_RLIM64_INFINITY;
      57    else
      58      rlimits->rlim_max = krlimits.rlim_max;
      59  
      60    return 0;
      61  }
      62  
      63  compat_symbol (libc, __old_getrlimit64, getrlimit64, GLIBC_2_2);
      64  # endif
      65  
      66  #else /* !_ABI_O32 && !_ABI_N32 */
      67  # include <sysdeps/unix/sysv/linux/getrlimit64.c>
      68  #endif