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

   1 /* Set flags signalling availability of kernel features based on given
   2    kernel version number.  SPARC version.
   3    Copyright (C) 1999-2018 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, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 /* SPARC uses socketcall.  */
  21 #define __ASSUME_SOCKETCALL             1
  22
  23 #include_next <kernel-features.h>
  24
  25 /* 32-bit SPARC kernels do not support
  26    futex_atomic_cmpxchg_inatomic.  */
  27 #if !defined __arch64__ && !defined __sparc_v9__
  28 # undef __ASSUME_SET_ROBUST_LIST
  29 #endif
  30
  31 #if !defined __arch64__
  32 # undef __ASSUME_ACCEPT_SYSCALL
  33 # undef __ASSUME_CONNECT_SYSCALL
  34 # undef __ASSUME_RECVFROM_SYSCALL
  35 #else
  36 /* sparc64 defines __NR_pause,  however it is not supported (ENOSYS).
  37    Undefine so pause.c can use a correct alternative.  */
  38 # undef __NR_pause
  39 #endif
  40
  41 /* sparc only supports ipc syscall.  */
  42 #undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS