SoW-2019-0002: Dynamic Snapshot

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

diff --git a/src/bin/lttng-sessiond/kernel.h b/src/bin/lttng-sessiond/kernel.h
index cf91cab1be8535749ec982df1bb7640db101b84b..d22a5b7a07375477869df702a4dad4bf860fae43 100644 (file)
--- a/src/bin/lttng-sessiond/kernel.h
+++ b/src/bin/lttng-sessiond/kernel.h
@@ -1,18 +1,8 @@
 /*
- * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
  *
- * 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_KERNEL_CTL_H
@@ -72,9 +62,9 @@ enum lttng_error_code kernel_rotate_session(struct ltt_session *session);
 enum lttng_error_code kernel_clear_session(struct ltt_session *session);
 
 int init_kernel_workarounds(void);
-ssize_t kernel_list_tracker_ids(enum lttng_tracker_type tracker_type,
+int kernel_list_tracker_ids(enum lttng_tracker_type tracker_type,
                struct ltt_kernel_session *session,
-               struct lttng_tracker_id **_ids);
+               struct lttng_tracker_ids **ids);
 int kernel_supports_ring_buffer_snapshot_sample_positions(void);
 int kernel_supports_ring_buffer_packet_sequence_number(void);
 int init_kernel_tracer(void);
@@ -84,4 +74,11 @@ bool kernel_tracer_is_initialized(void);
 enum lttng_error_code kernel_create_channel_subdirectories(
                const struct ltt_kernel_session *ksess);
 
+enum lttng_error_code kernel_create_trigger_group_notification_fd(
+               int *trigger_group_notification_fd);
+enum lttng_error_code kernel_destroy_trigger_group_notification_fd(
+               int trigger_group_notification_fd);
+enum lttng_error_code kernel_update_tokens(void);
+int kernel_get_notification_fd(void);
+
 #endif /* _LTT_KERNEL_CTL_H */