/* unwind_prot.h - Macros and functions for hacking unwind protection. */
-/* Copyright (C) 1993 Free Software Foundation, Inc.
+/* Copyright (C) 1993-2009 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 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.
+ 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ 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
/* Run a function without interrupts. */
-void
- begin_unwind_frame (), discard_unwind_frame (),
- run_unwind_frame (), add_unwind_protect (), remove_unwind_protect (),
- run_unwind_protects ();
+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 int have_unwind_protects __P((void));
+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 an integer. */
-#define unwind_protect_int(X) unwind_protect_var (&(X), (char *)(X), sizeof (int))
+/* 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));
-/* How to protect a pointer to a string. */
-#define unwind_protect_string(X) \
- unwind_protect_var ((int *)&(X), (X), sizeof (char *))
-
-/* How to protect any old pointer. */
-#define unwind_protect_pointer(X) unwind_protect_string (X)
-
-/* How to protect the contents of a jmp_buf. */
-#define unwind_protect_jmp_buf(X) \
- unwind_protect_var ((int *)(X), (char *)(X), sizeof (jmp_buf))
+/* 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 */