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 setrlimit64 __new_setrlimit64
      25  # include <sysdeps/unix/sysv/linux/setrlimit64.c>
      26  # undef setrlimit64
      27  
      28  versioned_symbol (libc, __new_setrlimit64, setrlimit64, GLIBC_2_19);
      29  
      30  # if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_19)
      31  
      32  /* RLIM64_INFINITY was supposed to be a glibc convention rather than
      33     anything seen by the kernel, but it ended being passed to the kernel
      34     through the prlimit64 syscall.  Given that a lot of binaries with
      35     the wrong constant value are in the wild, provide a wrapper function
      36     fixing the value before the syscall.  */
      37  
      38  #  define OLD_RLIM64_INFINITY		0x7fffffffffffffffULL
      39  
      40  int
      41  attribute_compat_text_section
      42  __old_setrlimit64 (enum __rlimit_resource resource,
      43  		   const struct rlimit64 *rlimits)
      44  {
      45    struct rlimit64 krlimits;
      46  
      47    if (rlimits->rlim_cur == OLD_RLIM64_INFINITY)
      48      krlimits.rlim_cur = RLIM64_INFINITY;
      49    else
      50      krlimits.rlim_cur = rlimits->rlim_cur;
      51    if (rlimits->rlim_max == OLD_RLIM64_INFINITY)
      52      krlimits.rlim_max = RLIM64_INFINITY;
      53    else
      54      krlimits.rlim_max = rlimits->rlim_max;
      55  
      56    return __new_setrlimit64 (resource, &krlimits);
      57  }
      58  
      59  compat_symbol (libc, __old_setrlimit64, setrlimit64, GLIBC_2_2);
      60  # endif
      61  
      62  #else /* !_ABI_O32 && !_ABI_N32 */
      63  # include <sysdeps/unix/sysv/linux/setrlimit64.c>
      64  #endif