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1 | /* unwind_prot.h - Macros and functions for hacking unwind protection. */ |
2 | ||
3185942a | 3 | /* Copyright (C) 1993-2009 Free Software Foundation, Inc. |
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4 | |
5 | This file is part of GNU Bash, the Bourne Again SHell. | |
6 | ||
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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. | |
726f6388 | 11 | |
3185942a JA |
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. | |
726f6388 | 16 | |
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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/>. | |
19 | */ | |
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20 | |
21 | #if !defined (_UNWIND_PROT_H) | |
22 | #define _UNWIND_PROT_H | |
23 | ||
24 | /* Run a function without interrupts. */ | |
f73dda09 JA |
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)); | |
3185942a | 32 | extern int have_unwind_protects __P((void)); |
7117c2d2 | 33 | extern void uwp_init __P((void)); |
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34 | |
35 | /* Define for people who like their code to look a certain way. */ | |
36 | #define end_unwind_frame() | |
37 | ||
f73dda09 JA |
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)); | |
726f6388 | 41 | |
f73dda09 JA |
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 | |
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48 | |
49 | #endif /* _UNWIND_PROT_H */ |