Fix: read subbuffer mmap/splice signedness issue
[lttng-tools.git] / src / common / ust-consumer / ust-consumer.h
CommitLineData
3bd1e081
MD
1/*
2 * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
3 * Copyright (C) 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
4 *
d14d33bf
AM
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.
3bd1e081
MD
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
3bd1e081
MD
12 * GNU General Public License for more details.
13 *
d14d33bf
AM
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.
3bd1e081
MD
17 */
18
19#ifndef _LTTNG_USTCONSUMER_H
20#define _LTTNG_USTCONSUMER_H
21
22#include <config.h>
3bd1e081
MD
23#include <errno.h>
24
10a8a223
DG
25#include <common/consumer.h>
26
74d0b642 27#ifdef HAVE_LIBLTTNG_UST_CTL
3bd1e081 28
ffe60014 29int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream);
3bd1e081 30
3bd1e081 31int lttng_ustconsumer_get_produced_snapshot(
ffe60014 32 struct lttng_consumer_stream *stream, unsigned long *pos);
10a50311
JD
33int lttng_ustconsumer_get_consumed_snapshot(
34 struct lttng_consumer_stream *stream, unsigned long *pos);
3bd1e081
MD
35
36int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
37 int sock, struct pollfd *consumer_sockpoll);
38
39extern int lttng_ustconsumer_allocate_channel(struct lttng_consumer_channel *chan);
40extern void lttng_ustconsumer_del_channel(struct lttng_consumer_channel *chan);
e316aad5 41extern int lttng_ustconsumer_add_stream(struct lttng_consumer_stream *stream);
3bd1e081
MD
42extern void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream);
43
d41f73b7
MD
44int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream,
45 struct lttng_consumer_local_data *ctx);
46int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream);
47
d056b477
MD
48void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream);
49
ffe60014
DG
50int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream,
51 unsigned long *off);
52void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream);
6d805429 53int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream);
d88aee68 54void lttng_ustconsumer_close_metadata(struct lttng_ht *ht);
d8ef542d 55void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream);
331744e3 56int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset,
5e41ebe1 57 uint64_t len, struct lttng_consumer_channel *channel,
94d49140 58 int timer, int wait);
331744e3 59int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx,
94d49140
JD
60 struct lttng_consumer_channel *channel, int timer, int wait);
61int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx,
62 struct lttng_consumer_stream *metadata);
84a182ce
DG
63void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream,
64 int producer);
65int lttng_ustconsumer_get_current_timestamp(
66 struct lttng_consumer_stream *stream, uint64_t *ts);
f02e1e8a 67
74d0b642 68#else /* HAVE_LIBLTTNG_UST_CTL */
3bd1e081
MD
69
70static inline
4078b776 71ssize_t lttng_ustconsumer_on_read_subbuffer_mmap(
3bd1e081 72 struct lttng_consumer_local_data *ctx,
1d4dfdef
DG
73 struct lttng_consumer_stream *stream, unsigned long len,
74 unsigned long padding)
3bd1e081
MD
75{
76 return -ENOSYS;
77}
78
79static inline
4078b776 80ssize_t lttng_ustconsumer_on_read_subbuffer_splice(
3bd1e081 81 struct lttng_consumer_local_data *ctx,
1d4dfdef
DG
82 struct lttng_consumer_stream *uststream, unsigned long len,
83 unsigned long padding)
3bd1e081
MD
84{
85 return -ENOSYS;
86}
87
88static inline
ffe60014 89int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream)
3bd1e081
MD
90{
91 return -ENOSYS;
92}
93
94static inline
95int lttng_ustconsumer_get_produced_snapshot(
ffe60014 96 struct lttng_consumer_stream *stream, unsigned long *pos)
3bd1e081
MD
97{
98 return -ENOSYS;
99}
100
101static inline
102int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
fbc72522
DG
103 int sock, struct pollfd *consumer_sockpoll)
104{
105 return -ENOSYS;
106}
3bd1e081
MD
107
108static inline
109int lttng_ustconsumer_allocate_channel(struct lttng_consumer_channel *chan)
110{
111 return -ENOSYS;
112}
113
114static inline
115void lttng_ustconsumer_del_channel(struct lttng_consumer_channel *chan)
116{
117}
118
119static inline
e316aad5 120int lttng_ustconsumer_add_stream(struct lttng_consumer_stream *stream)
3bd1e081
MD
121{
122 return -ENOSYS;
123}
124
125static inline
126void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream)
127{
128}
129
d41f73b7
MD
130static inline
131int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream,
132 struct lttng_consumer_local_data *ctx)
133{
134 return -ENOSYS;
135}
136
137static inline
138int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream)
139{
140 return -ENOSYS;
141}
142
d056b477
MD
143static inline
144void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream)
145{
146}
147
f02e1e8a 148static inline
ffe60014
DG
149int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream,
150 unsigned long *off)
f02e1e8a
DG
151{
152 return -ENOSYS;
153}
ca22feea 154static inline
6d805429 155int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream)
ca22feea
DG
156{
157 return -ENOSYS;
158}
ffe60014
DG
159static inline
160void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream)
161{
162 return NULL;
163}
d88aee68
DG
164static inline
165void lttng_ustconsumer_close_metadata(struct lttng_ht *ht)
166{
167}
d8ef542d
MD
168static inline
169void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream)
170{
171}
ee69440b
DG
172static inline
173int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset,
5e41ebe1
MD
174 uint64_t len, struct lttng_consumer_channel *channel,
175 int timer)
ee69440b
DG
176{
177 return -ENOSYS;
178}
179static inline
ee69440b 180int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx,
84a182ce 181 struct lttng_consumer_channel *channel, int timer, int wait)
ee69440b
DG
182{
183 return -ENOSYS;
184}
94d49140
JD
185static inline
186int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx,
187 struct lttng_consumer_stream *metadata)
188{
189 return -ENOSYS;
190}
84a182ce
DG
191static inline
192void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream,
193 int producer)
194{
195}
196static inline
197int lttng_ustconsumer_get_current_timestamp(
198 struct lttng_consumer_stream *stream, uint64_t *ts)
199{
200 return -ENOSYS;
201}
74d0b642 202#endif /* HAVE_LIBLTTNG_UST_CTL */
3bd1e081
MD
203
204#endif /* _LTTNG_USTCONSUMER_H */
This page took 0.070163 seconds and 4 git commands to generate.