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Diffstat (limited to 'unwind_prot.h')
| -rw-r--r-- | unwind_prot.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/unwind_prot.h b/unwind_prot.h new file mode 100644 index 0000000..8033a05 --- /dev/null +++ b/unwind_prot.h @@ -0,0 +1,48 @@ +/* unwind_prot.h - Macros and functions for hacking unwind protection. */ + +/* Copyright (C) 1993 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 2, 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; see the file COPYING. If not, write to the Free Software + Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ + +#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 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 */ |