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