Fix inline function bad definition
[lttng-tools.git] / include / lttng / lttng-ustconsumer.h
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
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; only version 2
8 * of the License.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 */
19
20 #ifndef _LTTNG_USTCONSUMER_H
21 #define _LTTNG_USTCONSUMER_H
22
23 #include <config.h>
24 #include <lttng/lttng-consumer.h>
25 #include <errno.h>
26
27 #ifdef CONFIG_LTTNG_TOOLS_HAVE_UST
28
29 /*
30 * Mmap the ring buffer, read it and write the data to the tracefile.
31 *
32 * Returns the number of bytes written.
33 */
34 extern int lttng_ustconsumer_on_read_subbuffer_mmap(
35 struct lttng_consumer_local_data *ctx,
36 struct lttng_consumer_stream *stream, unsigned long len);
37
38 /* Not implemented */
39 extern int lttng_ustconsumer_on_read_subbuffer_splice(
40 struct lttng_consumer_local_data *ctx,
41 struct lttng_consumer_stream *stream, unsigned long len);
42
43 /*
44 * Take a snapshot for a specific fd
45 *
46 * Returns 0 on success, < 0 on error
47 */
48 int lttng_ustconsumer_take_snapshot(struct lttng_consumer_local_data *ctx,
49 struct lttng_consumer_stream *stream);
50
51 /*
52 * Get the produced position
53 *
54 * Returns 0 on success, < 0 on error
55 */
56 int lttng_ustconsumer_get_produced_snapshot(
57 struct lttng_consumer_local_data *ctx,
58 struct lttng_consumer_stream *stream,
59 unsigned long *pos);
60
61 int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
62 int sock, struct pollfd *consumer_sockpoll);
63
64 extern int lttng_ustconsumer_allocate_channel(struct lttng_consumer_channel *chan);
65 extern void lttng_ustconsumer_del_channel(struct lttng_consumer_channel *chan);
66 extern int lttng_ustconsumer_allocate_stream(struct lttng_consumer_stream *stream);
67 extern void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream);
68
69
70 #else /* CONFIG_LTTNG_TOOLS_HAVE_UST */
71
72 static inline
73 int lttng_ustconsumer_on_read_subbuffer_mmap(
74 struct lttng_consumer_local_data *ctx,
75 struct lttng_consumer_stream *stream, unsigned long len)
76 {
77 return -ENOSYS;
78 }
79
80 static inline
81 int lttng_ustconsumer_on_read_subbuffer_splice(
82 struct lttng_consumer_local_data *ctx,
83 struct lttng_consumer_stream *uststream, unsigned long len)
84 {
85 return -ENOSYS;
86 }
87
88 static inline
89 int lttng_ustconsumer_take_snapshot(struct lttng_consumer_local_data *ctx,
90 struct lttng_consumer_stream *stream)
91 {
92 return -ENOSYS;
93 }
94
95 static inline
96 int lttng_ustconsumer_get_produced_snapshot(
97 struct lttng_consumer_local_data *ctx,
98 struct lttng_consumer_stream *stream,
99 unsigned long *pos)
100 {
101 return -ENOSYS;
102 }
103
104 static inline
105 int lttng_ustconsumer_recv_cmd(struct lttng_consumer_local_data *ctx,
106 int sock, struct pollfd *consumer_sockpoll)
107 {
108 return -ENOSYS;
109 }
110
111 static inline
112 int lttng_ustconsumer_allocate_channel(struct lttng_consumer_channel *chan)
113 {
114 return -ENOSYS;
115 }
116
117 static inline
118 void lttng_ustconsumer_del_channel(struct lttng_consumer_channel *chan)
119 {
120 }
121
122 static inline
123 int lttng_ustconsumer_allocate_stream(struct lttng_consumer_stream *stream)
124 {
125 return -ENOSYS;
126 }
127
128 static inline
129 void lttng_ustconsumer_del_stream(struct lttng_consumer_stream *stream)
130 {
131 }
132
133 #endif /* CONFIG_LTTNG_TOOLS_HAVE_UST */
134
135 #endif /* _LTTNG_USTCONSUMER_H */
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