sysdeps/unix/sysv/linux/i386/kernel-features.h

   1 /* Set flags signalling availability of kernel features based on given
   2    kernel version number.  i386 version.
   3    Copyright (C) 1999-2017 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 /* i386 uses socketcall.  */
  21 #define __ASSUME_SOCKETCALL             1
  22
  23 /* The recvmmsg syscall was added for i386 in 2.6.33.  */
  24 #define __ASSUME_RECVMMSG_SYSCALL_WITH_SOCKETCALL       1
  25
  26 /* The sendmmsg syscall was added for i386 in 3.0.  */
  27 #define __ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL       1
  28
  29 /* Direct socketcalls available with kernel 4.3.  */
  30 #if __LINUX_KERNEL_VERSION >= 0x040300
  31 # define __ASSUME_SOCKET_SYSCALL             1
  32 # define __ASSUME_SOCKETPAIR_SYSCALL         1
  33 # define __ASSUME_BIND_SYSCALL               1
  34 # define __ASSUME_LISTEN_SYSCALL             1
  35 # define __ASSUME_GETSOCKOPT_SYSCALL         1
  36 # define __ASSUME_SETSOCKOPT_SYSCALL         1
  37 # define __ASSUME_GETSOCKNAME_SYSCALL        1
  38 # define __ASSUME_GETPEERNAME_SYSCALL        1
  39 # define __ASSUME_SENDTO_SYSCALL             1
  40 # define __ASSUME_SENDTO_FOR_SEND_SYSCALL    1
  41 # define __ASSUME_RECVFROM_SYSCALL           1
  42 # define __ASSUME_RECVFROM_FOR_RECV_SYSCALL  1
  43 # define __ASSUME_SHUTDOWN_SYSCALL           1
  44 #endif
  45
  46 #include_next <kernel-features.h>
  47
  48 #undef __ASSUME_ACCEPT_SYSCALL
  49
  50 #if __LINUX_KERNEL_VERSION < 0x040300
  51 # undef __ASSUME_ACCEPT4_SYSCALL
  52 # undef __ASSUME_SENDMSG_SYSCALL
  53 # undef __ASSUME_RECVMSG_SYSCALL
  54 # undef __ASSUME_CONNECT_SYSCALL
  55 #endif
  56
  57 /* i686 only supports ipc syscall.  */
  58 #undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS