(x-keysym-table, x-selection-timeout, x-session-id, x-session-previous-id):

[gnu-emacs] / src / blockinput.h

diff --git a/src/blockinput.h b/src/blockinput.h
index 4e1d8524142360bd6978f761fe2911cdc1b33583..0eaebbe34df6d1554e93eaaf4540082704a3e82a 100644 (file)
--- a/src/blockinput.h
+++ b/src/blockinput.h
@@ -1,5 +1,6 @@
 /* blockinput.h - interface to blocking complicated interrupt-driven input.
-   Copyright (C) 1989, 1993 Free Software Foundation, Inc.
+   Copyright (C) 1989, 1993, 2002, 2003, 2004,
+                 2005 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
@@ -15,9 +16,13 @@ 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.  */
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
 
+#ifndef EMACS_BLOCKINPUT_H
+#define EMACS_BLOCKINPUT_H
+
+#include "atimer.h"
 
 /* When Emacs is using signal-driven input, the processing of those
    input signals can get pretty hairy.  For example, when Emacs is
@@ -38,7 +43,7 @@ Boston, MA 02111-1307, USA.  */
    BLOCK_INPUT and UNBLOCK_INPUT may be nested.
 
    * Any complicated interrupt handling code should test
-   interrupt_input_blocked, and put off its work until later.  
+   interrupt_input_blocked, and put off its work until later.
 
    * If the interrupt handling code wishes, it may set
    interrupt_input_pending to a non-zero value.  If that flag is set
@@ -90,9 +95,38 @@ extern int pending_atimers;
     }                                          \
   while (0)
 
-#define TOTALLY_UNBLOCK_INPUT (interrupt_input_blocked = 0)
+/* Undo any number of BLOCK_INPUT calls,
+   and also reinvoke any pending signal.  */
+
+#define TOTALLY_UNBLOCK_INPUT                  \
+  do if (interrupt_input_blocked != 0)         \
+    {                                          \
+      interrupt_input_blocked = 1;             \
+      UNBLOCK_INPUT;                           \
+    }                                          \
+  while (0)
+
+/* Undo any number of BLOCK_INPUT calls down to level LEVEL,
+   and also (if the level is now 0) reinvoke any pending signal.  */
+
+#define UNBLOCK_INPUT_TO(LEVEL)                                \
+  do                                                   \
+    {                                                  \
+      interrupt_input_blocked = (LEVEL) + 1;           \
+      UNBLOCK_INPUT;                                   \
+    }                                                  \
+  while (0)
+
 #define UNBLOCK_INPUT_RESIGNAL UNBLOCK_INPUT
 
+/* In critical section ? */
+#define INPUT_BLOCKED_P (interrupt_input_blocked > 0)
+
 /* Defined in keyboard.c */
 /* Don't use a prototype here; it causes trouble in some files.  */
 extern void reinvoke_input_signal ();
+
+#endif /* EMACS_BLOCKINPUT_H */
+
+/* arch-tag: 51a9ec86-945a-4966-8f04-2d1341250e03
+   (do not change this comment) */