include/bits/setjmp.h

   1 /* Copyright (C) 2001-2021 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 /* Define the machine-dependent type `jmp_buf'.  x86-64 version.  */
  19 #ifndef _BITS_SETJMP_H
  20 #define _BITS_SETJMP_H  1
  21
  22 #if !defined _SETJMP_H && !defined _PTHREAD_H
  23 # error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead."
  24 #endif
  25
  26 #include <bits/wordsize.h>
  27
  28 #ifndef _ASM
  29
  30 # if __WORDSIZE == 64
  31 typedef long int __jmp_buf[8];
  32 # elif defined  __x86_64__
  33 __extension__ typedef long long int __jmp_buf[8];
  34 # else
  35 typedef int __jmp_buf[6];
  36 # endif
  37
  38 #endif
  39
  40 #endif  /* bits/setjmp.h */