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1 | /* |
2 | * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca> | |
3 | * Copyright (C) 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
4 | * | |
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5 | * This program is free software; you can redistribute it and/or modify |
6 | * it under the terms of the GNU General Public License, version 2 only, | |
7 | * as published by the Free Software Foundation. | |
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8 | * |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
d14d33bf | 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 | * GNU General Public License for more details. |
13 | * | |
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14 | * You should have received a copy of the GNU General Public License along |
15 | * with this program; if not, write to the Free Software Foundation, Inc., | |
16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
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17 | */ |
18 | ||
19 | #ifndef _LTTNG_KCONSUMER_H | |
20 | #define _LTTNG_KCONSUMER_H | |
21 | ||
10a8a223 | 22 | #include <common/consumer.h> |
3bd1e081 | 23 | |
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24 | /* |
25 | * Take a snapshot for a specific fd | |
26 | * | |
27 | * Returns 0 on success, < 0 on error | |
28 | */ | |
29 | int lttng_kconsumer_take_snapshot(struct lttng_consumer_local_data *ctx, | |
30 | struct lttng_consumer_stream *stream); | |
31 | ||
32 | /* | |
33 | * Get the produced position | |
34 | * | |
35 | * Returns 0 on success, < 0 on error | |
36 | */ | |
37 | int lttng_kconsumer_get_produced_snapshot( | |
38 | struct lttng_consumer_local_data *ctx, | |
39 | struct lttng_consumer_stream *stream, | |
40 | unsigned long *pos); | |
41 | ||
42 | int lttng_kconsumer_recv_cmd(struct lttng_consumer_local_data *ctx, | |
43 | int sock, struct pollfd *consumer_sockpoll); | |
44 | ||
d41f73b7 | 45 | |
4078b776 | 46 | ssize_t lttng_kconsumer_read_subbuffer(struct lttng_consumer_stream *stream, |
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47 | struct lttng_consumer_local_data *ctx); |
48 | int lttng_kconsumer_on_recv_stream(struct lttng_consumer_stream *stream); | |
6d805429 | 49 | int lttng_kconsumer_data_pending(struct lttng_consumer_stream *stream); |
d41f73b7 | 50 | |
3bd1e081 | 51 | #endif /* _LTTNG_KCONSUMER_H */ |