src/common/ringbuffer-clients/clients.h

   1 /*
   2  * SPDX-License-Identifier: LGPL-2.1-only
   3  *
   4  * Copyright (C) 2013 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   5  */
   6
   7 #ifndef _UST_COMMON_RINGBUFFER_CLIENTS_CLIENTS_H
   8 #define _UST_COMMON_RINGBUFFER_CLIENTS_CLIENTS_H
   9
  10 #include <stdint.h>
  11 #include <lttng/ust-events.h>
  12
  13 #include "common/ringbuffer/ringbuffer-config.h"
  14
  15 struct lttng_ust_client_lib_ring_buffer_client_cb {
  16         struct lttng_ust_ring_buffer_client_cb parent;
  17
  18         int (*timestamp_begin) (struct lttng_ust_ring_buffer *buf,
  19                         struct lttng_ust_ring_buffer_channel *chan,
  20                         uint64_t *timestamp_begin);
  21         int (*timestamp_end) (struct lttng_ust_ring_buffer *buf,
  22                         struct lttng_ust_ring_buffer_channel *chan,
  23                         uint64_t *timestamp_end);
  24         int (*events_discarded) (struct lttng_ust_ring_buffer *buf,
  25                         struct lttng_ust_ring_buffer_channel *chan,
  26                         uint64_t *events_discarded);
  27         int (*content_size) (struct lttng_ust_ring_buffer *buf,
  28                         struct lttng_ust_ring_buffer_channel *chan,
  29                         uint64_t *content_size);
  30         int (*packet_size) (struct lttng_ust_ring_buffer *buf,
  31                         struct lttng_ust_ring_buffer_channel *chan,
  32                         uint64_t *packet_size);
  33         int (*stream_id) (struct lttng_ust_ring_buffer *buf,
  34                         struct lttng_ust_ring_buffer_channel *chan,
  35                         uint64_t *stream_id);
  36         int (*current_timestamp) (struct lttng_ust_ring_buffer *buf,
  37                         struct lttng_ust_ring_buffer_channel *chan,
  38                         uint64_t *ts);
  39         int (*sequence_number) (struct lttng_ust_ring_buffer *buf,
  40                 struct lttng_ust_ring_buffer_channel *chan, uint64_t *seq);
  41         int (*instance_id) (struct lttng_ust_ring_buffer *buf,
  42                         struct lttng_ust_ring_buffer_channel *chan, uint64_t *id);
  43 };
  44
  45 void lttng_ust_ring_buffer_clients_init(void)
  46         __attribute__((visibility("hidden")));
  47
  48 void lttng_ust_ring_buffer_clients_exit(void)
  49         __attribute__((visibility("hidden")));
  50
  51 void lttng_ring_buffer_client_overwrite_init(void)
  52         __attribute__((visibility("hidden")));
  53
  54 void lttng_ring_buffer_client_overwrite_rt_init(void)
  55         __attribute__((visibility("hidden")));
  56
  57 void lttng_ring_buffer_client_discard_init(void)
  58         __attribute__((visibility("hidden")));
  59
  60 void lttng_ring_buffer_client_discard_rt_init(void)
  61         __attribute__((visibility("hidden")));
  62
  63 void lttng_ring_buffer_metadata_client_init(void)
  64         __attribute__((visibility("hidden")));
  65
  66
  67 void lttng_ring_buffer_client_overwrite_exit(void)
  68         __attribute__((visibility("hidden")));
  69
  70 void lttng_ring_buffer_client_overwrite_rt_exit(void)
  71         __attribute__((visibility("hidden")));
  72
  73 void lttng_ring_buffer_client_discard_exit(void)
  74         __attribute__((visibility("hidden")));
  75
  76 void lttng_ring_buffer_client_discard_rt_exit(void)
  77         __attribute__((visibility("hidden")));
  78
  79 void lttng_ring_buffer_metadata_client_exit(void)
  80         __attribute__((visibility("hidden")));
  81
  82
  83 void lttng_ust_ring_buffer_client_overwrite_alloc_tls(void)
  84         __attribute__((visibility("hidden")));
  85
  86 void lttng_ust_ring_buffer_client_overwrite_rt_alloc_tls(void)
  87         __attribute__((visibility("hidden")));
  88
  89 void lttng_ust_ring_buffer_client_discard_alloc_tls(void)
  90         __attribute__((visibility("hidden")));
  91
  92 void lttng_ust_ring_buffer_client_discard_rt_alloc_tls(void)
  93         __attribute__((visibility("hidden")));
  94
  95 #endif /* _UST_COMMON_RINGBUFFER_CLIENTS_CLIENTS_H */