diff options
Diffstat (limited to 'unwind_prot.h')
| -rw-r--r-- | unwind_prot.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/unwind_prot.h b/unwind_prot.h new file mode 100644 index 0000000..97b3af9 --- /dev/null +++ b/unwind_prot.h @@ -0,0 +1,52 @@ +/* unwind_prot.h - Macros and functions for hacking unwind protection. */ + +/* Copyright (C) 1993-2020 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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>. +*/ + +#if !defined (_UNWIND_PROT_H) +#define _UNWIND_PROT_H + +extern void uwp_init PARAMS((void)); + +/* Run a function without interrupts. */ +extern void begin_unwind_frame PARAMS((char *)); +extern void discard_unwind_frame PARAMS((char *)); +extern void run_unwind_frame PARAMS((char *)); +extern void add_unwind_protect (); /* Not portable to arbitrary C99 hosts. */ +extern void remove_unwind_protect PARAMS((void)); +extern void run_unwind_protects PARAMS((void)); +extern void clear_unwind_protect_list PARAMS((int)); +extern int have_unwind_protects PARAMS((void)); +extern int unwind_protect_tag_on_stack PARAMS((const char *)); +extern void uwp_init PARAMS((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 PARAMS((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 */ |