setjmp/bits/setjmp2.h

   1 /* Checking macros for setjmp functions.
   2  * Copyright (C) 2009 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, write to the Free
  17  * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18  * 02111-1307 USA.  */
  19
  20 #ifndef _SETJMP_H
  21 # error "Never include <bits/setjmp2.h> directly; use <setjmp.h> instead."
  22 #endif
  23
  24 /* Variant of the longjmp functions which perform some sanity checking.  */
  25 #ifdef __REDIRECT_NTH
  26 extern void __REDIRECT_NTH (longjmp,
  27                             (struct __jmp_buf_tag __env[1], int __val),
  28                             __longjmp_chk) __attribute__ ((__noreturn__));
  29 extern void __REDIRECT_NTH (_longjmp,
  30                             (struct __jmp_buf_tag __env[1], int __val),
  31                             __longjmp_chk) __attribute__ ((__noreturn__));
  32 extern void __REDIRECT_NTH (siglongjmp,
  33                             (struct __jmp_buf_tag __env[1], int __val),
  34                             __longjmp_chk) __attribute__ ((__noreturn__));
  35 #else
  36 extern void __longjmp_chk (struct __jmp_buf_tag __env[1], int __val),
  37      __THROW __attribute__ ((__noreturn__));
  38 # define longjmp __longjmp_chk
  39 # define _longjmp __longjmp_chk
  40 # define siglongjmp __longjmp_chk
  41 #endif