Document behavior of lazy highlight in word search (Bug#7470).

[bpt/emacs.git] / src / blockinput.h

diff --git a/src/blockinput.h b/src/blockinput.h
index 6aa865e..890adcb 100644 (file)
--- a/src/blockinput.h
+++ b/src/blockinput.h
@@ -1,12 +1,13 @@
 /* blockinput.h - interface to blocking complicated interrupt-driven input.
-   Copyright (C) 1989, 1993, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1989, 1993, 2001, 2002, 2003, 2004,
+                 2005, 2006, 2007, 2008, 2009, 2010  Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
-GNU Emacs is free software; you can redistribute it and/or modify
+GNU Emacs 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.
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
 
 GNU Emacs is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -14,9 +15,7 @@ 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 GNU Emacs; see the file COPYING.  If not, write to
-the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #ifndef EMACS_BLOCKINPUT_H
 #define EMACS_BLOCKINPUT_H
@@ -48,7 +47,7 @@ Boston, MA 02111-1307, USA.  */
    interrupt_input_pending to a non-zero value.  If that flag is set
    when input becomes unblocked, UNBLOCK_INPUT will send a new SIGIO.  */
 
-extern int interrupt_input_blocked;
+extern volatile int interrupt_input_blocked;
 
 /* Nonzero means an input interrupt has arrived
    during the current critical section.  */
@@ -60,6 +59,7 @@ extern int interrupt_input_pending;
 
 extern int pending_atimers;
 
+
 /* Begin critical section. */
 #define BLOCK_INPUT (interrupt_input_blocked++)