1 /* Copyright (C) 1996-2022 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 */ 38