liblttng-ust/lttng-rb-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 _LTTNG_RB_CLIENT_H
   8 #define _LTTNG_RB_CLIENT_H
   9
  10 #include <stdint.h>
  11
  12 struct lttng_ust_client_lib_ring_buffer_client_cb {
  13         struct lttng_ust_lib_ring_buffer_client_cb parent;
  14
  15         int (*timestamp_begin) (struct lttng_ust_lib_ring_buffer *buf,
  16                         struct lttng_ust_shm_handle *handle,
  17                         uint64_t *timestamp_begin);
  18         int (*timestamp_end) (struct lttng_ust_lib_ring_buffer *buf,
  19                         struct lttng_ust_shm_handle *handle,
  20                         uint64_t *timestamp_end);
  21         int (*events_discarded) (struct lttng_ust_lib_ring_buffer *buf,
  22                         struct lttng_ust_shm_handle *handle,
  23                         uint64_t *events_discarded);
  24         int (*content_size) (struct lttng_ust_lib_ring_buffer *buf,
  25                         struct lttng_ust_shm_handle *handle,
  26                         uint64_t *content_size);
  27         int (*packet_size) (struct lttng_ust_lib_ring_buffer *buf,
  28                         struct lttng_ust_shm_handle *handle,
  29                         uint64_t *packet_size);
  30         int (*stream_id) (struct lttng_ust_lib_ring_buffer *buf,
  31                         struct lttng_ust_shm_handle *handle,
  32                         uint64_t *stream_id);
  33         int (*current_timestamp) (struct lttng_ust_lib_ring_buffer *buf,
  34                         struct lttng_ust_shm_handle *handle,
  35                         uint64_t *ts);
  36         int (*sequence_number) (struct lttng_ust_lib_ring_buffer *buf,
  37                 struct lttng_ust_shm_handle *handle, uint64_t *seq);
  38         int (*instance_id) (struct lttng_ust_lib_ring_buffer *buf,
  39                         struct lttng_ust_shm_handle *handle, uint64_t *id);
  40 };
  41
  42 #endif /* _LTTNG_RB_CLIENT_H */