2 * SPDX-License-Identifier: LGPL-2.1-only
4 * Copyright (C) 2013 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
7 #ifndef _LTTNG_RB_CLIENT_H
8 #define _LTTNG_RB_CLIENT_H
11 #include "../libringbuffer/ringbuffer-config.h"
13 struct lttng_ust_client_lib_ring_buffer_client_cb
{
14 struct lttng_ust_lib_ring_buffer_client_cb parent
;
16 int (*timestamp_begin
) (struct lttng_ust_lib_ring_buffer
*buf
,
17 struct lttng_ust_lib_ring_buffer_channel
*chan
,
18 uint64_t *timestamp_begin
);
19 int (*timestamp_end
) (struct lttng_ust_lib_ring_buffer
*buf
,
20 struct lttng_ust_lib_ring_buffer_channel
*chan
,
21 uint64_t *timestamp_end
);
22 int (*events_discarded
) (struct lttng_ust_lib_ring_buffer
*buf
,
23 struct lttng_ust_lib_ring_buffer_channel
*chan
,
24 uint64_t *events_discarded
);
25 int (*content_size
) (struct lttng_ust_lib_ring_buffer
*buf
,
26 struct lttng_ust_lib_ring_buffer_channel
*chan
,
27 uint64_t *content_size
);
28 int (*packet_size
) (struct lttng_ust_lib_ring_buffer
*buf
,
29 struct lttng_ust_lib_ring_buffer_channel
*chan
,
30 uint64_t *packet_size
);
31 int (*stream_id
) (struct lttng_ust_lib_ring_buffer
*buf
,
32 struct lttng_ust_lib_ring_buffer_channel
*chan
,
34 int (*current_timestamp
) (struct lttng_ust_lib_ring_buffer
*buf
,
35 struct lttng_ust_lib_ring_buffer_channel
*chan
,
37 int (*sequence_number
) (struct lttng_ust_lib_ring_buffer
*buf
,
38 struct lttng_ust_lib_ring_buffer_channel
*chan
, uint64_t *seq
);
39 int (*instance_id
) (struct lttng_ust_lib_ring_buffer
*buf
,
40 struct lttng_ust_lib_ring_buffer_channel
*chan
, uint64_t *id
);
44 * The ring buffer clients init/exit symbols are private ABI for
45 * liblttng-ust-ctl, which is why they are not hidden.
47 void lttng_ust_ring_buffer_clients_init(void);
48 void lttng_ust_ring_buffer_clients_exit(void);
50 __attribute__((visibility("hidden")))
51 void lttng_ring_buffer_client_overwrite_init(void);
52 __attribute__((visibility("hidden")))
53 void lttng_ring_buffer_client_overwrite_rt_init(void);
54 __attribute__((visibility("hidden")))
55 void lttng_ring_buffer_client_discard_init(void);
56 __attribute__((visibility("hidden")))
57 void lttng_ring_buffer_client_discard_rt_init(void);
58 __attribute__((visibility("hidden")))
59 void lttng_ring_buffer_metadata_client_init(void);
61 __attribute__((visibility("hidden")))
62 void lttng_ring_buffer_client_overwrite_exit(void);
63 __attribute__((visibility("hidden")))
64 void lttng_ring_buffer_client_overwrite_rt_exit(void);
65 __attribute__((visibility("hidden")))
66 void lttng_ring_buffer_client_discard_exit(void);
67 __attribute__((visibility("hidden")))
68 void lttng_ring_buffer_client_discard_rt_exit(void);
69 __attribute__((visibility("hidden")))
70 void lttng_ring_buffer_metadata_client_exit(void);
72 __attribute__((visibility("hidden")))
73 void lttng_ust_fixup_ring_buffer_client_overwrite_tls(void);
74 __attribute__((visibility("hidden")))
75 void lttng_ust_fixup_ring_buffer_client_overwrite_rt_tls(void);
76 __attribute__((visibility("hidden")))
77 void lttng_ust_fixup_ring_buffer_client_discard_tls(void);
78 __attribute__((visibility("hidden")))
79 void lttng_ust_fixup_ring_buffer_client_discard_rt_tls(void);
81 #endif /* _LTTNG_RB_CLIENT_H */