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/* unwind_prot.h - Macros and functions for hacking unwind protection. */
/* Copyright (C) 1993-2008 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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
*/
#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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