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Fix: avoid freeing invalid ptr in filter bytecode
[lttng-tools.git] / src / common / ust-consumer / ust-consumer.h
... / ...
CommitLineData
1/*
2 * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
3 * Copyright (C) 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
4 *
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.
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
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
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.
17 */
18
19#ifndef _LTTNG_USTCONSUMER_H
20#define _LTTNG_USTCONSUMER_H
21
22#include <config.h>
23#include <errno.h>
24
25#include <common/consumer.h>
26
27#ifdef HAVE_LIBLTTNG_UST_CTL
28
29int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream);
30
31int lttng_ustconsumer_get_produced_snapshot(
32 struct lttng_consumer_stream *stream, unsigned long *pos);
33int lttng_ustconsumer_get_consumed_snapshot(
34 struct lttng_consumer_stream *stream, unsigned long *pos);
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);
41extern int lttng_ustconsumer_add_stream(struct lttng_consumer_stream *stream);
42extern void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream);
43
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
48void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream);
49
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);
53int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream);
54void lttng_ustconsumer_close_all_metadata(struct lttng_ht *ht);
55void lttng_ustconsumer_close_metadata(struct lttng_consumer_channel *metadata);
56void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream);
57int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset,
58 uint64_t len, struct lttng_consumer_channel *channel,
59 int timer, int wait);
60int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx,
61 struct lttng_consumer_channel *channel, int timer, int wait);
62int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx,
63 struct lttng_consumer_stream *metadata);
64void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream,
65 int producer);
66int lttng_ustconsumer_get_current_timestamp(
67 struct lttng_consumer_stream *stream, uint64_t *ts);
68
69#else /* HAVE_LIBLTTNG_UST_CTL */
70
71static inline
72ssize_t lttng_ustconsumer_on_read_subbuffer_mmap(
73 struct lttng_consumer_local_data *ctx,
74 struct lttng_consumer_stream *stream, unsigned long len,
75 unsigned long padding)
76{
77 return -ENOSYS;
78}
79
80static inline
81ssize_t lttng_ustconsumer_on_read_subbuffer_splice(
82 struct lttng_consumer_local_data *ctx,
83 struct lttng_consumer_stream *uststream, unsigned long len,
84 unsigned long padding)
85{
86 return -ENOSYS;
87}
88
89static inline
90int lttng_ustconsumer_take_snapshot(struct lttng_consumer_stream *stream)
91{
92 return -ENOSYS;
93}
94
95static inline
96int lttng_ustconsumer_get_produced_snapshot(
97 struct lttng_consumer_stream *stream, unsigned long *pos)
98{
99 return -ENOSYS;
100}
101
102static inline
103int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
104 int sock, struct pollfd *consumer_sockpoll)
105{
106 return -ENOSYS;
107}
108
109static inline
110int lttng_ustconsumer_allocate_channel(struct lttng_consumer_channel *chan)
111{
112 return -ENOSYS;
113}
114
115static inline
116void lttng_ustconsumer_del_channel(struct lttng_consumer_channel *chan)
117{
118}
119
120static inline
121int lttng_ustconsumer_add_stream(struct lttng_consumer_stream *stream)
122{
123 return -ENOSYS;
124}
125
126static inline
127void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream)
128{
129}
130
131static inline
132int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream,
133 struct lttng_consumer_local_data *ctx)
134{
135 return -ENOSYS;
136}
137
138static inline
139int lttng_ustconsumer_on_recv_stream(struct lttng_consumer_stream *stream)
140{
141 return -ENOSYS;
142}
143
144static inline
145void lttng_ustconsumer_on_stream_hangup(struct lttng_consumer_stream *stream)
146{
147}
148
149static inline
150int lttng_ustctl_get_mmap_read_offset(struct lttng_consumer_stream *stream,
151 unsigned long *off)
152{
153 return -ENOSYS;
154}
155static inline
156int lttng_ustconsumer_data_pending(struct lttng_consumer_stream *stream)
157{
158 return -ENOSYS;
159}
160static inline
161void *lttng_ustctl_get_mmap_base(struct lttng_consumer_stream *stream)
162{
163 return NULL;
164}
165static inline
166void lttng_ustconsumer_close_all_metadata(struct lttng_ht *ht)
167{
168}
169static inline
170void lttng_ustconsumer_close_metadata(struct lttng_consumer_channel *metadata)
171{
172}
173static inline
174void lttng_ustconsumer_close_stream_wakeup(struct lttng_consumer_stream *stream)
175{
176}
177static inline
178int lttng_ustconsumer_recv_metadata(int sock, uint64_t key, uint64_t offset,
179 uint64_t len, struct lttng_consumer_channel *channel,
180 int timer)
181{
182 return -ENOSYS;
183}
184static inline
185int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx,
186 struct lttng_consumer_channel *channel, int timer, int wait)
187{
188 return -ENOSYS;
189}
190static inline
191int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx,
192 struct lttng_consumer_stream *metadata)
193{
194 return -ENOSYS;
195}
196static inline
197void lttng_ustconsumer_flush_buffer(struct lttng_consumer_stream *stream,
198 int producer)
199{
200}
201static inline
202int lttng_ustconsumer_get_current_timestamp(
203 struct lttng_consumer_stream *stream, uint64_t *ts)
204{
205 return -ENOSYS;
206}
207#endif /* HAVE_LIBLTTNG_UST_CTL */
208
209#endif /* _LTTNG_USTCONSUMER_H */
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