4 * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; only
9 * version 2.1 of the License.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #include <lttng/usterr-signal-safe.h>
22 #include <lttng/ust-events.h>
25 CDS_LIST_HEAD(ltt_transport_list
);
27 volatile enum ust_loglevel ust_loglevel
;
29 void init_usterr(void)
33 if (ust_loglevel
== UST_LOGLEVEL_UNKNOWN
) {
34 ust_debug
= getenv("LTTNG_UST_DEBUG");
36 ust_loglevel
= UST_LOGLEVEL_DEBUG
;
38 ust_loglevel
= UST_LOGLEVEL_NORMAL
;
42 struct ltt_transport
*ltt_transport_find(const char *name
)
44 struct ltt_transport
*transport
;
46 cds_list_for_each_entry(transport
, <t_transport_list
, node
) {
47 if (!strcmp(transport
->name
, name
))
54 * ltt_transport_register - LTT transport registration
55 * @transport: transport structure
57 * Registers a transport which can be used as output to extract the data out of
58 * LTTng. Called with ust_lock held.
60 void ltt_transport_register(struct ltt_transport
*transport
)
62 cds_list_add_tail(&transport
->node
, <t_transport_list
);
66 * ltt_transport_unregister - LTT transport unregistration
67 * @transport: transport structure
68 * Called with ust_lock held.
70 void ltt_transport_unregister(struct ltt_transport
*transport
)
72 cds_list_del(&transport
->node
);