| /* unwind_prot.h - Macros and functions for hacking unwind protection. */ |
| |
| /* Copyright (C) 1993-2009 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 int have_unwind_protects __P((void)); |
| 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 */ |