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, 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_NTHNL (longjmp,
  27                               (struct __jmp_buf_tag __env[1], int __val),
  28                               __longjmp_chk) __attribute__ ((__noreturn__));
  29 extern void __REDIRECT_NTHNL (_longjmp,
  30                               (struct __jmp_buf_tag __env[1], int __val),
  31                               __longjmp_chk) __attribute__ ((__noreturn__));
  32 extern void __REDIRECT_NTHNL (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      __THROWNL __attribute__ ((__noreturn__));
  38 # define longjmp __longjmp_chk
  39 # define _longjmp __longjmp_chk
  40 # define siglongjmp __longjmp_chk
  41 #endif