1 /* unwind_prot.h - Macros and functions for hacking unwind protection. */
3 /* Copyright (C) 1993-2009 Free Software Foundation, Inc.
5 This file is part of GNU Bash, the Bourne Again SHell.
7 Bash is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 Bash is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with Bash. If not, see <http://www.gnu.org/licenses/>.
21 #if !defined (_UNWIND_PROT_H)
22 #define _UNWIND_PROT_H
24 /* Run a function without interrupts. */
25 extern void begin_unwind_frame __P((char *));
26 extern void discard_unwind_frame __P((char *));
27 extern void run_unwind_frame __P((char *));
28 extern void add_unwind_protect (); /* Not portable to arbitrary C99 hosts. */
29 extern void remove_unwind_protect __P((void));
30 extern void run_unwind_protects __P((void));
31 extern void clear_unwind_protect_list __P((int));
32 extern int have_unwind_protects __P((void));
33 extern void uwp_init __P((void));
35 /* Define for people who like their code to look a certain way. */
36 #define end_unwind_frame()
38 /* How to protect a variable. */
39 #define unwind_protect_var(X) unwind_protect_mem ((char *)&(X), sizeof (X))
40 extern void unwind_protect_mem __P((char *, int));
42 /* Backwards compatibility */
43 #define unwind_protect_int unwind_protect_var
44 #define unwind_protect_short unwind_protect_var
45 #define unwind_protect_string unwind_protect_var
46 #define unwind_protect_pointer unwind_protect_var
47 #define unwind_protect_jmp_buf unwind_protect_var
49 #endif /* _UNWIND_PROT_H */