5 * Copyright (C) 2013 - Julien Desfossez <jdesfossez@efficios.com>
6 * David Goulet <dgoulet@efficios.com>
7 * 2015 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License, version 2 only, as
11 * published by the Free Software Foundation.
13 * This program is distributed in the hope that it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
18 * You should have received a copy of the GNU General Public License along with
19 * this program; if not, write to the Free Software Foundation, Inc., 51
20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
26 #include <common/hashtable/hashtable.h>
30 #include "viewer-stream.h"
33 struct urcu_ref ref
; /* Every stream has a ref on the trace. */
34 struct relay_session
*session
; /* Back ref to trace session */
37 * The ctf_trace lock nests inside the session lock.
41 struct relay_viewer_stream
*viewer_metadata_stream
; /* RCU protected */
44 * Relay streams associated with this ctf trace.
45 * Updates are protected by the stream_list lock.
46 * Traversals are protected by RCU.
48 struct cds_list_head stream_list
;
49 pthread_mutex_t stream_list_lock
;
52 * Node within session trace hash table. Node is indexed by
55 struct lttng_ht_node_str node
;
56 struct rcu_head rcu_node
; /* For call_rcu teardown. */
59 struct ctf_trace
*ctf_trace_get_by_path_or_create(struct relay_session
*session
,
61 bool ctf_trace_get(struct ctf_trace
*trace
);
62 void ctf_trace_put(struct ctf_trace
*trace
);
64 int ctf_trace_close(struct ctf_trace
*trace
);
66 struct relay_viewer_stream
*ctf_trace_get_viewer_metadata_stream(struct ctf_trace
*trace
);
68 #endif /* _CTF_TRACE_H */