1/* Checking macros for setjmp functions.
2 Copyright (C) 2009-2018 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#ifndef _SETJMP_H
20# error "Never include <bits/setjmp2.h> directly; use <setjmp.h> instead."
21#endif
22
23/* Variant of the longjmp functions which perform some sanity checking. */
24#ifdef __REDIRECT_NTH
25extern void __REDIRECT_NTHNL (longjmp,
26 (struct __jmp_buf_tag __env[1], int __val),
27 __longjmp_chk) __attribute__ ((__noreturn__));
28extern void __REDIRECT_NTHNL (_longjmp,
29 (struct __jmp_buf_tag __env[1], int __val),
30 __longjmp_chk) __attribute__ ((__noreturn__));
31extern void __REDIRECT_NTHNL (siglongjmp,
32 (struct __jmp_buf_tag __env[1], int __val),
33 __longjmp_chk) __attribute__ ((__noreturn__));
34#else
35extern void __longjmp_chk (struct __jmp_buf_tag __env[1], int __val),
36 __THROWNL __attribute__ ((__noreturn__));
37# define longjmp __longjmp_chk
38# define _longjmp __longjmp_chk
39# define siglongjmp __longjmp_chk
40#endif
41