sysdeps/unix/sysv/linux/mips/kernel-features.h

   1 /* Set flags signalling availability of kernel features based on given
   2    kernel version number.
   3    Copyright (C) 1999-2003, 2004, 2005, 2006 Free Software Foundation, Inc.
   4    This file is part of the GNU C Library.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 #include <sgidefs.h>
  22
  23 /* Linux 2.3.39 introduced 32bit UID/GIDs.  Some platforms had 32
  24    bit type all along.  */
  25 #define __ASSUME_32BITUIDS              1
  26
  27 /* MIPS platforms had IPC64 all along.  */
  28 #define __ASSUME_IPC64          1
  29
  30 #if _MIPS_SIM == _ABIN32
  31 # define __ASSUME_FCNTL64               1
  32 #endif
  33
  34 /* Support for the eventfd2 and signalfd4 syscalls was added in 2.6.27.  */
  35 #if __LINUX_KERNEL_VERSION >= 0x02061c
  36 # define __ASSUME_EVENTFD2      1
  37 # define __ASSUME_SIGNALFD4     1
  38 #endif
  39
  40 #include_next <kernel-features.h>
  41
  42 /* The n32 syscall ABI did not have a getdents64 syscall until
  43    2.6.35.  */
  44 #if _MIPS_SIM == _ABIN32 && __LINUX_KERNEL_VERSION < 0x020623
  45 # undef __ASSUME_GETDENTS64_SYSCALL
  46 #endif