| 1 | /* unwind_prot.h - Macros and functions for hacking unwind protection. */
|
|---|
| 2 |
|
|---|
| 3 | /* Copyright (C) 1993 Free Software Foundation, Inc.
|
|---|
| 4 |
|
|---|
| 5 | This file is part of GNU Bash, the Bourne Again SHell.
|
|---|
| 6 |
|
|---|
| 7 | Bash is free software; you can redistribute it and/or modify it under
|
|---|
| 8 | the terms of the GNU General Public License as published by the Free
|
|---|
| 9 | Software Foundation; either version 2, or (at your option) any later
|
|---|
| 10 | version.
|
|---|
| 11 |
|
|---|
| 12 | Bash is distributed in the hope that it will be useful, but WITHOUT ANY
|
|---|
| 13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|---|
| 14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|---|
| 15 | for more details.
|
|---|
| 16 |
|
|---|
| 17 | You should have received a copy of the GNU General Public License along
|
|---|
| 18 | with Bash; see the file COPYING. If not, write to the Free Software
|
|---|
| 19 | Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
|
|---|
| 20 |
|
|---|
| 21 | #if !defined (_UNWIND_PROT_H)
|
|---|
| 22 | #define _UNWIND_PROT_H
|
|---|
| 23 |
|
|---|
| 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 void uwp_init __P((void));
|
|---|
| 33 |
|
|---|
| 34 | /* Define for people who like their code to look a certain way. */
|
|---|
| 35 | #define end_unwind_frame()
|
|---|
| 36 |
|
|---|
| 37 | /* How to protect a variable. */
|
|---|
| 38 | #define unwind_protect_var(X) unwind_protect_mem ((char *)&(X), sizeof (X))
|
|---|
| 39 | extern void unwind_protect_mem __P((char *, int));
|
|---|
| 40 |
|
|---|
| 41 | /* Backwards compatibility */
|
|---|
| 42 | #define unwind_protect_int unwind_protect_var
|
|---|
| 43 | #define unwind_protect_short unwind_protect_var
|
|---|
| 44 | #define unwind_protect_string unwind_protect_var
|
|---|
| 45 | #define unwind_protect_pointer unwind_protect_var
|
|---|
| 46 | #define unwind_protect_jmp_buf unwind_protect_var
|
|---|
| 47 |
|
|---|
| 48 | #endif /* _UNWIND_PROT_H */
|
|---|
