initial import from bash_3.1dfsg.orig.tar.gz

1 files changed, 37 insertions, 0 deletions

diff --git a/quit.h b/quit.h
new file mode 100644
index 0000000..31b2765
--- /dev/null
+++ b/quit.h
@@ -0,0 +1,37 @@
+/* quit.h -- How to handle SIGINT gracefully. */
+
+/* Copyright (C) 1993 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 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, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
+#if !defined (_QUIT_H_)
+#define _QUIT_H_
+
+/* Non-zero means SIGINT has already ocurred. */
+extern int interrupt_state;
+
+/* Macro to call a great deal.  SIGINT just sets above variable.  When
+   it is safe, put QUIT in the code, and the "interrupt" will take place. */
+#define QUIT if (interrupt_state) throw_to_top_level ()
+
+#define SETINTERRUPT interrupt_state = 1
+#define CLRINTERRUPT interrupt_state = 0
+
+#define ADDINTERRUPT interrupt_state++
+#define DELINTERRUPT interrupt_state--
+
+#endif /* _QUIT_H_ */