1/* unwind_prot.h - Macros and functions for hacking unwind protection. */ 2 3/* Copyright (C) 1993 Free Software Foundation, Inc. 4 5 This file is part of GNU Bash, the Bourne Again SHell. 6 7 Bash is free software; you can redistribute it and/or modify it under 8 the terms of the GNU General Public License as published by the Free 9 Software Foundation; either version 2, or (at your option) any later 10 version. 11 12 Bash is distributed in the hope that it will be useful, but WITHOUT ANY 13 WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 for more details. 16 17 You should have received a copy of the GNU General Public License along 18 with Bash; see the file COPYING. If not, write to the Free Software 19 Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ 20 21#if !defined (_UNWIND_PROT_H) 22#define _UNWIND_PROT_H 23 24/* Run a function without interrupts. */ 25extern void begin_unwind_frame __P((char *)); 26extern void discard_unwind_frame __P((char *)); 27extern void run_unwind_frame __P((char *)); 28extern void add_unwind_protect (); /* Not portable to arbitrary C99 hosts. */ 29extern void remove_unwind_protect __P((void)); 30extern void run_unwind_protects __P((void)); 31extern void clear_unwind_protect_list __P((int)); 32extern void uwp_init __P((void)); 33 34/* Define for people who like their code to look a certain way. */ 35#define end_unwind_frame() 36 37/* How to protect a variable. */ 38#define unwind_protect_var(X) unwind_protect_mem ((char *)&(X), sizeof (X)) 39extern void unwind_protect_mem __P((char *, int)); 40 41/* Backwards compatibility */ 42#define unwind_protect_int unwind_protect_var 43#define unwind_protect_short unwind_protect_var 44#define unwind_protect_string unwind_protect_var 45#define unwind_protect_pointer unwind_protect_var 46#define unwind_protect_jmp_buf unwind_protect_var 47 48#endif /* _UNWIND_PROT_H */ 49