|  | /* Checking macros for setjmp functions. | 
|  | Copyright (C) 2009-2016 Free Software Foundation, Inc. | 
|  | This file is part of the GNU C Library. | 
|  |  | 
|  | The GNU C Library is free software; you can redistribute it and/or | 
|  | modify it under the terms of the GNU Lesser General Public | 
|  | License as published by the Free Software Foundation; either | 
|  | version 2.1 of the License, or (at your option) any later version. | 
|  |  | 
|  | The GNU C Library is distributed in the hope that it will be useful, | 
|  | but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
|  | Lesser General Public License for more details. | 
|  |  | 
|  | You should have received a copy of the GNU Lesser General Public | 
|  | License along with the GNU C Library; if not, see | 
|  | <http://www.gnu.org/licenses/>.  */ | 
|  |  | 
|  | #ifndef _SETJMP_H | 
|  | # error "Never include <bits/setjmp2.h> directly; use <setjmp.h> instead." | 
|  | #endif | 
|  |  | 
|  | /* Variant of the longjmp functions which perform some sanity checking.  */ | 
|  | #ifdef __REDIRECT_NTH | 
|  | extern void __REDIRECT_NTHNL (longjmp, | 
|  | (struct __jmp_buf_tag __env[1], int __val), | 
|  | __longjmp_chk) __attribute__ ((__noreturn__)); | 
|  | extern void __REDIRECT_NTHNL (_longjmp, | 
|  | (struct __jmp_buf_tag __env[1], int __val), | 
|  | __longjmp_chk) __attribute__ ((__noreturn__)); | 
|  | extern void __REDIRECT_NTHNL (siglongjmp, | 
|  | (struct __jmp_buf_tag __env[1], int __val), | 
|  | __longjmp_chk) __attribute__ ((__noreturn__)); | 
|  | #else | 
|  | extern void __longjmp_chk (struct __jmp_buf_tag __env[1], int __val), | 
|  | __THROWNL __attribute__ ((__noreturn__)); | 
|  | # define longjmp __longjmp_chk | 
|  | # define _longjmp __longjmp_chk | 
|  | # define siglongjmp __longjmp_chk | 
|  | #endif |