lttng-ctl: notifications: use epoll()/poll() instead of select()
[lttng-tools.git] / src / bin / lttng-sessiond / ust-consumer.h
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1/*
2 * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
3 *
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4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License, version 2 only,
6 * as published by the Free Software Foundation.
48842b30 7 *
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8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
48842b30 12 *
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13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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16 */
17
18#ifndef _UST_CONSUMER_H
19#define _UST_CONSUMER_H
20
00e2e675 21#include "consumer.h"
48842b30 22#include "ust-app.h"
e098433c 23#include <stdint.h>
d2956687 24#include <common/trace-chunk.h>
48842b30 25
ffe60014 26int ust_consumer_ask_channel(struct ust_app_session *ua_sess,
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27 struct ust_app_channel *ua_chan,
28 struct consumer_output *consumer,
29 struct consumer_socket *socket,
30 struct ust_registry_session *registry,
d2956687 31 struct lttng_trace_chunk *trace_chunk);
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32
33int ust_consumer_get_channel(struct consumer_socket *socket,
34 struct ust_app_channel *ua_chan);
35
36int ust_consumer_destroy_channel(struct consumer_socket *socket,
37 struct ust_app_channel *ua_chan);
38
39int ust_consumer_send_stream_to_ust(struct ust_app *app,
40 struct ust_app_channel *channel, struct ust_app_stream *stream);
41
42int ust_consumer_send_channel_to_ust(struct ust_app *app,
43 struct ust_app_session *ua_sess, struct ust_app_channel *channel);
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44
45#if HAVE_LIBLTTNG_UST_CTL
331744e3 46int ust_consumer_metadata_request(struct consumer_socket *sock);
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47#else
48static inline
49int ust_consumer_metadata_request(struct consumer_socket *sock)
50{
51 return -ENOSYS;
52}
53#endif /* HAVE_LIBLTTNG_UST_CTL */
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54
55#endif /* _UST_CONSUMER_H */
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