sessiond: setup event notifier group for registering app

[lttng-tools.git] / src / bin / lttng-sessiond / ust-app.h

diff --git a/src/bin/lttng-sessiond/ust-app.h b/src/bin/lttng-sessiond/ust-app.h
index 25aeada6541359505041199a97135e6ab66590d6..449173cd36a94a2f965a6a31c2ee351732e8fc22 100644 (file)
--- a/src/bin/lttng-sessiond/ust-app.h
+++ b/src/bin/lttng-sessiond/ust-app.h
@@ -1,19 +1,9 @@
 /*
- * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
- * Copyright (C) 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
  *
- * This program 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 this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #ifndef _LTT_UST_APP_H
@@ -81,7 +71,7 @@ struct ust_register_msg {
  * Global applications HT used by the session daemon. This table is indexed by
  * PID using the pid_n node and pid value of an ust_app.
  */
-struct lttng_ht *ust_app_ht;
+extern struct lttng_ht *ust_app_ht;
 
 /*
  * Global applications HT used by the session daemon. This table is indexed by
@@ -89,13 +79,13 @@ struct lttng_ht *ust_app_ht;
  *
  * The 'sock' in question here is the 'command' socket.
  */
-struct lttng_ht *ust_app_ht_by_sock;
+extern struct lttng_ht *ust_app_ht_by_sock;
 
 /*
  * Global applications HT used by the session daemon. This table is indexed by
  * socket using the notify_sock_n node and notify_sock value of an ust_app.
  */
-struct lttng_ht *ust_app_ht_by_notify_sock;
+extern struct lttng_ht *ust_app_ht_by_notify_sock;
 
 /* Stream list containing ust_app_stream. */
 struct ust_app_stream_list {
@@ -302,6 +292,17 @@ struct ust_app {
         * Used for path creation
         */
        time_t registration_time;
+       /*
+        * Event notifier
+        */
+       struct {
+               /*
+                * Handle to the lttng_ust object representing the event
+                * notifier group.
+                */
+               struct lttng_ust_object_data *object;
+               struct lttng_pipe *event_pipe;
+       } event_notifier_group;
 };
 
 #ifdef HAVE_LIBLTTNG_UST_CTL
@@ -315,8 +316,6 @@ int ust_app_stop_trace_all(struct ltt_ust_session *usess);
 int ust_app_destroy_trace_all(struct ltt_ust_session *usess);
 int ust_app_list_events(struct lttng_event **events);
 int ust_app_list_event_fields(struct lttng_event_field **fields);
-int ust_app_create_channel_glb(struct ltt_ust_session *usess,
-               struct ltt_ust_channel *uchan);
 int ust_app_create_event_glb(struct ltt_ust_session *usess,
                struct ltt_ust_channel *uchan, struct ltt_ust_event *uevent);
 int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
@@ -366,6 +365,9 @@ enum lttng_error_code ust_app_create_channel_subdirectories(
 int ust_app_release_object(struct ust_app *app,
                struct lttng_ust_object_data *data);
 enum lttng_error_code ust_app_clear_session(struct ltt_session *session);
+enum lttng_error_code ust_app_open_packets(struct ltt_session *session);
+
+int ust_app_setup_event_notifier_group(struct ust_app *app);
 
 static inline
 int ust_app_supported(void)
@@ -455,19 +457,21 @@ static inline
 void ust_app_global_update(struct ltt_ust_session *usess, struct ust_app *app)
 {}
 static inline
-int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
-               struct ltt_ust_channel *uchan)
+void ust_app_global_update_tokens(struct ust_app *app)
+{}
+static inline
+int ust_app_setup_event_notifier_group(struct ust_app *app)
 {
        return 0;
 }
 static inline
-int ust_app_enable_channel_glb(struct ltt_ust_session *usess,
+int ust_app_disable_channel_glb(struct ltt_ust_session *usess,
                struct ltt_ust_channel *uchan)
 {
        return 0;
 }
 static inline
-int ust_app_create_channel_glb(struct ltt_ust_session *usess,
+int ust_app_enable_channel_glb(struct ltt_ust_session *usess,
                struct ltt_ust_channel *uchan)
 {
        return 0;
@@ -618,6 +622,12 @@ enum lttng_error_code ust_app_clear_session(struct ltt_session *session)
        return 0;
 }
 
+static inline
+enum lttng_error_code ust_app_open_packets(struct ltt_session *session)
+{
+       return 0;
+}
+
 #endif /* HAVE_LIBLTTNG_UST_CTL */
 
 #endif /* _LTT_UST_APP_H */