1  /* Copyright (C) 1996-2023 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  #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 */