sysdeps/unix/sysv/linux/bits/sigcontext.h

   1 /* Copyright (C) 1996-2017 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    <http://www.gnu.org/licenses/>.  */
  17
  18 #ifndef _BITS_SIGCONTEXT_H
  19 #define _BITS_SIGCONTEXT_H 1
  20
  21 #if !defined _SIGNAL_H && !defined _SYS_UCONTEXT_H
  22 # error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
  23 #endif
  24
  25 #ifndef sigcontext_struct
  26 /* Kernel headers before 2.1.1 define a struct sigcontext_struct, but
  27    we need sigcontext.  */
  28 # define sigcontext_struct sigcontext
  29
  30 # include <asm/sigcontext.h>
  31
  32 /* The Linux kernel headers redefine NULL wrongly, so cleanup afterwards.  */
  33 # define __need_NULL
  34 # include <stddef.h>
  35 #endif
  36
  37 #endif /* bits/sigcontext.h */