+2013-10-04 Yao Qi <yao@codesourcery.com>
+
+ * remote-notif.c (DECLARE_QUEUE_P): Remove.
+ (notif_queue): Remove.
+ (remote_notif_process): Add one parameter 'notif_queue'.
+ Update comments. Callers update.
+ (remote_async_get_pending_events_token): Remove.
+ (remote_notif_register_async_event_handler): Remove.
+ (remote_notif_unregister_async_event_handler): Remove.
+ (handle_notification): Add parameter 'notif_queue'. Update
+ comments. Callers update.
+ (notif_xfree): Remove.
+ (remote_notif_state_allocate): New function.
+ (remote_notif_state_xfree): New function.
+ (_initialize_notif): Remove code to allocate queue.
+ * remote-notif.h (DECLARE_QUEUE_P): Moved from remote-notif.c.
+ (struct remote_notif_state): New.
+ (handle_notification): Update declaration.
+ (remote_notif_process): Likewise.
+ (remote_notif_register_async_event_handler): Remove.
+ (remote_notif_unregister_async_event_handler): Remove.
+ (remote_notif_state_allocate): Declare.
+ (remote_notif_state_xfree): Declare.
+ * remote.c (struct remote_state) <notif_state>: New field.
+ (remote_close): Don't call
+ remote_notif_unregister_async_event_handler. Call
+ remote_notif_state_xfree.
+ (remote_open_1): Don't call
+ remote_notif_register_async_event_handler. Call
+ remote_notif_state_allocate.
+
2013-10-04 Yao Qi <yao@codesourcery.com>
* varobj.c (create_child_with_value): Remove 'const' from the
return event;
}
-DECLARE_QUEUE_P (notif_client_p);
DEFINE_QUEUE_P (notif_client_p);
-static QUEUE(notif_client_p) *notif_queue;
-
-/* Process notifications one by one. EXCEPT is not expected in
- the queue. */
+/* Process notifications in STATE's notification queue one by one.
+ EXCEPT is not expected in the queue. */
void
-remote_notif_process (struct notif_client *except)
+remote_notif_process (struct remote_notif_state *state,
+ struct notif_client *except)
{
- while (!QUEUE_is_empty (notif_client_p, notif_queue))
+ while (!QUEUE_is_empty (notif_client_p, state->notif_queue))
{
struct notif_client *nc = QUEUE_deque (notif_client_p,
- notif_queue);
+ state->notif_queue);
gdb_assert (nc != except);
remote_async_get_pending_events_handler (gdb_client_data data)
{
gdb_assert (non_stop);
- remote_notif_process (NULL);
-}
-
-/* Asynchronous signal handle registered as event loop source for when
- the remote sent us a notification. The registered callback
- will do a ACK sequence to pull the rest of the events out of
- the remote side into our event queue. */
-
-static struct async_event_handler *remote_async_get_pending_events_token;
-
-/* Register async_event_handler for notification. */
-
-void
-remote_notif_register_async_event_handler (void)
-{
- remote_async_get_pending_events_token
- = create_async_event_handler (remote_async_get_pending_events_handler,
- NULL);
-}
-
-/* Unregister async_event_handler for notification. */
-
-void
-remote_notif_unregister_async_event_handler (void)
-{
- if (remote_async_get_pending_events_token)
- delete_async_event_handler (&remote_async_get_pending_events_token);
+ remote_notif_process (data, NULL);
}
-/* Remote notification handler. */
+/* Remote notification handler. Parse BUF, queue notification and
+ update STATE. */
void
-handle_notification (char *buf)
+handle_notification (struct remote_notif_state *state, char *buf)
{
struct notif_client *nc = NULL;
int i;
/* Notify the event loop there's a stop reply to acknowledge
and that there may be more events to fetch. */
- QUEUE_enque (notif_client_p, notif_queue, nc);
+ QUEUE_enque (notif_client_p, state->notif_queue, nc);
if (non_stop)
{
/* In non-stop, We mark REMOTE_ASYNC_GET_PENDING_EVENTS_TOKEN
2.3) <-- T05 thread:2
These pending notifications can be processed later. */
- mark_async_event_handler (remote_async_get_pending_events_token);
+ mark_async_event_handler (state->get_pending_events_token);
}
if (notif_debug)
xfree (event);
}
-static void
-notif_xfree (struct notif_client *notif)
+/* Return an allocated remote_notif_state. */
+
+struct remote_notif_state *
+remote_notif_state_allocate (void)
+{
+ struct remote_notif_state *notif_state = xzalloc (sizeof (*notif_state));
+
+ notif_state->notif_queue = QUEUE_alloc (notif_client_p, NULL);
+
+ /* Register async_event_handler for notification. */
+
+ notif_state->get_pending_events_token
+ = create_async_event_handler (remote_async_get_pending_events_handler,
+ notif_state);
+
+ return notif_state;
+}
+
+/* Free STATE and its fields. */
+
+void
+remote_notif_state_xfree (struct remote_notif_state *state)
{
- if (notif->pending_event != NULL
- && notif->pending_event->dtr != NULL)
- notif->pending_event->dtr (notif->pending_event);
+ QUEUE_free (notif_client_p, state->notif_queue);
+
+ /* Unregister async_event_handler for notification. */
+ if (state->get_pending_events_token != NULL)
+ delete_async_event_handler (&state->get_pending_events_token);
- xfree (notif->pending_event);
- xfree (notif);
+ xfree (state);
}
/* -Wmissing-prototypes */
void
_initialize_notif (void)
{
- notif_queue = QUEUE_alloc (notif_client_p, notif_xfree);
-
add_setshow_boolean_cmd ("notification", no_class, ¬if_debug,
_("\
Set debugging of async remote notification."), _("\
struct notif_event *pending_event;
} *notif_client_p;
+DECLARE_QUEUE_P (notif_client_p);
+
+/* State on remote async notification. */
+
+struct remote_notif_state
+{
+ /* Notification queue. */
+
+ QUEUE(notif_client_p) *notif_queue;
+
+ /* Asynchronous signal handle registered as event loop source for when
+ the remote sent us a notification. The registered callback
+ will do a ACK sequence to pull the rest of the events out of
+ the remote side into our event queue. */
+
+ struct async_event_handler *get_pending_events_token;
+};
+
void remote_notif_ack (struct notif_client *nc, char *buf);
struct notif_event *remote_notif_parse (struct notif_client *nc,
char *buf);
-void handle_notification (char *buf);
+void handle_notification (struct remote_notif_state *notif_state,
+ char *buf);
-void remote_notif_register_async_event_handler (void);
-void remote_notif_unregister_async_event_handler (void);
+void remote_notif_process (struct remote_notif_state *state,
+ struct notif_client *except);
+struct remote_notif_state *remote_notif_state_allocate (void);
+void remote_notif_state_xfree (struct remote_notif_state *state);
-void remote_notif_process (struct notif_client *except);
extern struct notif_client notif_client_stop;
extern int notif_debug;
threadref echo_nextthread;
threadref nextthread;
threadref resultthreadlist[MAXTHREADLISTRESULTS];
+
+ /* The state of remote notification. */
+ struct remote_notif_state *notif_state;
};
/* Private data that we'll store in (struct thread_info)->private. */
if (remote_async_inferior_event_token)
delete_async_event_handler (&remote_async_inferior_event_token);
- remote_notif_unregister_async_event_handler ();
+ remote_notif_state_xfree (rs->notif_state);
trace_reset_local_state ();
}
remote_async_inferior_event_token
= create_async_event_handler (remote_async_inferior_event_handler,
NULL);
- remote_notif_register_async_event_handler ();
+ rs->notif_state = remote_notif_state_allocate ();
/* Reset the target state; these things will be queried either by
remote_query_supported or as they are needed. */
before resuming inferior, because inferior was stopped and no RSP
traffic at that moment. */
if (!non_stop)
- remote_notif_process (¬if_client_stop);
+ remote_notif_process (rs->notif_state, ¬if_client_stop);
rs->last_sent_signal = siggnal;
rs->last_sent_step = step;
str);
do_cleanups (old_chain);
}
- handle_notification (rs->buf);
+ handle_notification (rs->notif_state, rs->buf);
/* We're in sync now, rewait for the ack. */
tcount = 0;
}
if (is_notif != NULL)
*is_notif = 1;
- handle_notification (*buf);
+ handle_notification (rs->notif_state, *buf);
/* Notifications require no acknowledgement. */
projects / binutils-gdb.git / commitdiff