X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fevent-loop.h;h=155dafad9184bae9667a946babac3c870dad31e1;hb=5fe966540d6b748f825774868463003700f0c878;hp=16c228637c2fba3ca7f5c422d8e0ff76130c5bf8;hpb=28e7fd62340426746f9c896cbc40c5d374ec47aa;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/event-loop.h b/gdb/event-loop.h
index 16c228637c..155dafad91 100644
--- a/gdb/event-loop.h
+++ b/gdb/event-loop.h
@@ -1,5 +1,5 @@
 /* Definitions used by the GDB event loop.
-   Copyright (C) 1999-2013 Free Software Foundation, Inc.
+   Copyright (C) 1999-2016 Free Software Foundation, Inc.
    Written by Elena Zannoni <ezannoni@cygnus.com> of Cygnus Solutions.
 
    This file is part of GDB.
@@ -75,18 +75,6 @@ typedef void (sig_handler_func) (gdb_client_data);
 typedef void (async_event_handler_func) (gdb_client_data);
 typedef void (timer_handler_func) (gdb_client_data);
 
-/* Where to add an event onto the event queue, by queue_event.  */
-typedef enum
-  {
-    /* Add at tail of queue.  It will be processed in first in first
-       out order.  */
-    TAIL,
-    /* Add at head of queue.  It will be processed in last in first
-       out order.  */
-    HEAD
-  }
-queue_position;
-
 /* Exported functions from event-loop.c */
 
 extern void start_event_loop (void);
@@ -114,6 +102,15 @@ void call_async_signal_handler (struct async_signal_handler *handler);
    below, with IMMEDIATE_P == 0.  */
 void mark_async_signal_handler (struct async_signal_handler *handler);
 
+/* Returns true if HANDLER is marked ready.  */
+
+extern int
+  async_signal_handler_is_marked (struct async_signal_handler *handler);
+
+/* Mark HANDLER as NOT ready.  */
+
+extern void clear_async_signal_handler (struct async_signal_handler *handler);
+
 /* Wrapper for the body of signal handlers.  Call this function from
    any SIGINT handler which needs to access GDB data structures or
    escape via longjmp.  If IMMEDIATE_P is set, this triggers either
@@ -142,3 +139,9 @@ extern void
 /* Call the handler from HANDLER the next time through the event
    loop.  */
 extern void mark_async_event_handler (struct async_event_handler *handler);
+
+/* Mark the handler (ASYNC_HANDLER_PTR) as NOT ready.  */
+
+extern void clear_async_event_handler (struct async_event_handler *handler);
+
+extern void initialize_async_signal_handlers (void);