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/* unwind_prot.h - Macros and functions for hacking unwind protection. */
/* Copyright (C) 1993 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
Bash is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
Bash is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License along
with Bash; see the file COPYING. If not, write to the Free Software
Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
#if !defined (_UNWIND_PROT_H)
#define _UNWIND_PROT_H
/* Run a function without interrupts. */
extern void begin_unwind_frame __P((char *));
extern void discard_unwind_frame __P((char *));
extern void run_unwind_frame __P((char *));
extern void add_unwind_protect (); /* Not portable to arbitrary C99 hosts. */
extern void remove_unwind_protect __P((void));
extern void run_unwind_protects __P((void));
extern void clear_unwind_protect_list __P((int));
extern void uwp_init __P((void));
/* Define for people who like their code to look a certain way. */
#define end_unwind_frame()
/* How to protect a variable. */
#define unwind_protect_var(X) unwind_protect_mem ((char *)&(X), sizeof (X))
extern void unwind_protect_mem __P((char *, int));
/* Backwards compatibility */
#define unwind_protect_int unwind_protect_var
#define unwind_protect_short unwind_protect_var
#define unwind_protect_string unwind_protect_var
#define unwind_protect_pointer unwind_protect_var
#define unwind_protect_jmp_buf unwind_protect_var
#endif /* _UNWIND_PROT_H */
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