1/* bashjmp.h -- wrapper for setjmp.h with necessary bash definitions. */
2
3/* Copyright (C) 1987-2009 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
8   it under the terms of the GNU General Public License as published by
9   the Free Software Foundation, either version 3 of the License, or
10   (at your option) any later version.
11
12   Bash is distributed in the hope that it will be useful,
13   but WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   GNU General Public License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with Bash.  If not, see <http://www.gnu.org/licenses/>.
19*/
20
21#ifndef _BASHJMP_H_
22#define _BASHJMP_H_
23
24#include "posixjmp.h"
25
26extern procenv_t	top_level;
27extern procenv_t	subshell_top_level;
28extern procenv_t	return_catch;	/* used by `return' builtin */
29
30#define SHFUNC_RETURN()	longjmp (return_catch, 1)
31
32#define COPY_PROCENV(old, save) \
33	xbcopy ((char *)old, (char *)save, sizeof (procenv_t));
34
35/* Values for the second argument to longjmp/siglongjmp. */
36#define NOT_JUMPED	0	/* Not returning from a longjmp. */
37#define FORCE_EOF	1	/* We want to stop parsing. */
38#define DISCARD		2	/* Discard current command. */
39#define EXITPROG	3	/* Unconditionally exit the program now. */
40#define ERREXIT		4	/* Exit due to error condition */
41#define SIGEXIT		5	/* Exit due to fatal terminating signal */
42
43#endif /* _BASHJMP_H_ */
44