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authorJari Aalto <jari.aalto@cante.net>2009-01-12 13:36:28 +0000
committerJari Aalto <jari.aalto@cante.net>2009-09-12 16:47:00 +0000
commit3185942a5234e26ab13fa02f9c51d340cec514f8 (patch)
tree2c6fcd01779faef1f91c5d84d63981ca3479137d /unwind_prot.c
parentf1be666c7d78939ad775078d290bec2758fa29a2 (diff)
downloadbash-3185942a5234e26ab13fa02f9c51d340cec514f8.tar.gz
Imported from ../bash-4.0-rc1.tar.gz.
Diffstat (limited to 'unwind_prot.c')
-rw-r--r--unwind_prot.c34
1 files changed, 21 insertions, 13 deletions
diff --git a/unwind_prot.c b/unwind_prot.c
index 4fd194e8..9e150a66 100644
--- a/unwind_prot.c
+++ b/unwind_prot.c
@@ -1,23 +1,25 @@
+/* unwind_prot.c - a simple unwind-protect system for internal variables */
+
/* I can't stand it anymore! Please can't we just write the
whole Unix system in lisp or something? */
-/* Copyright (C) 1987-2002 Free Software Foundation, Inc.
+/* Copyright (C) 1987-2009 Free Software Foundation, Inc.
-This file is part of GNU Bash, the Bourne Again SHell.
+ 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, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
/* **************************************************************** */
/* */
@@ -174,6 +176,12 @@ clear_unwind_protect_list (flags)
}
}
+int
+have_unwind_protects ()
+{
+ return (unwind_protect_list != 0);
+}
+
/* **************************************************************** */
/* */
/* The Actual Functions */