| 1 | /* unwind_prot.h - Macros and functions for hacking unwind protection. */ |
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| 2 | |
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| 3 | /* Copyright (C) 1993 Free Software Foundation, Inc. |
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| 4 | |
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| 5 | This file is part of GNU Bash, the Bourne Again SHell. |
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| 6 | |
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| 7 | Bash is free software; you can redistribute it and/or modify it under |
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| 8 | the terms of the GNU General Public License as published by the Free |
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| 9 | Software Foundation; either version 2, or (at your option) any later |
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| 10 | version. |
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| 11 | |
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| 12 | Bash is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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| 15 | for more details. |
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| 16 | |
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| 17 | You should have received a copy of the GNU General Public License along |
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| 18 | with Bash; see the file COPYING. If not, write to the Free Software |
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| 19 | Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ |
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| 20 | |
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| 21 | #if !defined (_UNWIND_PROT_H) |
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| 22 | #define _UNWIND_PROT_H |
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| 23 | |
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| 24 | /* Run a function without interrupts. */ |
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| 25 | extern void begin_unwind_frame __P((char *)); |
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| 26 | extern void discard_unwind_frame __P((char *)); |
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| 27 | extern void run_unwind_frame __P((char *)); |
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| 28 | extern void add_unwind_protect (); /* Not portable to arbitrary C99 hosts. */ |
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| 29 | extern void remove_unwind_protect __P((void)); |
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| 30 | extern void run_unwind_protects __P((void)); |
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| 31 | extern void clear_unwind_protect_list __P((int)); |
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| 32 | extern void uwp_init __P((void)); |
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| 33 | |
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| 34 | /* Define for people who like their code to look a certain way. */ |
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| 35 | #define end_unwind_frame() |
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| 36 | |
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| 37 | /* How to protect a variable. */ |
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| 38 | #define unwind_protect_var(X) unwind_protect_mem ((char *)&(X), sizeof (X)) |
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| 39 | extern void unwind_protect_mem __P((char *, int)); |
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| 40 | |
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| 41 | /* Backwards compatibility */ |
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| 42 | #define unwind_protect_int unwind_protect_var |
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| 43 | #define unwind_protect_short unwind_protect_var |
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| 44 | #define unwind_protect_string unwind_protect_var |
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| 45 | #define unwind_protect_pointer unwind_protect_var |
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| 46 | #define unwind_protect_jmp_buf unwind_protect_var |
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| 47 | |
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| 48 | #endif /* _UNWIND_PROT_H */ |
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