setjmp/bits/setjmp2.h

   1 /* Checking macros for setjmp functions.
   2    Copyright (C) 2009, 2011 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
  25 extern void __REDIRECT_NTHNL (longjmp,
  26                               (struct __jmp_buf_tag __env[1], int __val),
  27                               __longjmp_chk) __attribute__ ((__noreturn__));
  28 extern void __REDIRECT_NTHNL (_longjmp,
  29                               (struct __jmp_buf_tag __env[1], int __val),
  30                               __longjmp_chk) __attribute__ ((__noreturn__));
  31 extern void __REDIRECT_NTHNL (siglongjmp,
  32                               (struct __jmp_buf_tag __env[1], int __val),
  33                               __longjmp_chk) __attribute__ ((__noreturn__));
  34 #else
  35 extern 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