1 /* quit.h -- How to handle SIGINT gracefully. */
3 /* Copyright (C) 1993 Free Software Foundation, Inc.
5 This file is part of GNU Bash, the Bourne Again SHell.
7 Bash is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 2, or (at your option) any later
12 Bash is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License along
18 with Bash; see the file COPYING. If not, write to the Free Software
19 Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
21 #if !defined (__QUIT_H__)
24 /* Non-zero means SIGINT has already ocurred. */
25 extern int interrupt_state;
27 extern void throw_to_top_level ();
29 /* Macro to call a great deal. SIGINT just sets above variable. When
30 it is safe, put QUIT in the code, and the "interrupt" will take place. */
31 #define QUIT if (interrupt_state) throw_to_top_level ()
33 #endif /* __QUIT_H__ */