include/lttng/action/incr-value-internal.h

   1 /*
   2  * Copyright (C) 2020 Francis Deslauriers <francis.deslauriers@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #ifndef LTTNG_ACTION_INCR_VALUE_INTERNAL_H
   9 #define LTTNG_ACTION_INCR_VALUE_INTERNAL_H
  10
  11 #include <inttypes.h>
  12
  13 #include <common/macros.h>
  14
  15 struct lttng_action;
  16 struct lttng_payload_view;
  17 struct lttng_map_key;
  18
  19 /*
  20  * Create a "incr-value" action from a payload view.
  21  *
  22  * On success, return the number of bytes consumed from `view`, and the created
  23  * action in `*action`. On failure, return -1.
  24  */
  25 LTTNG_HIDDEN
  26 extern ssize_t lttng_action_incr_value_create_from_payload(
  27                 struct lttng_payload_view *view,
  28                 struct lttng_action **action);
  29
  30 LTTNG_HIDDEN
  31 enum lttng_action_status lttng_action_incr_value_borrow_key_mutable(
  32                 const struct lttng_action *action, struct lttng_map_key **key);
  33
  34 LTTNG_HIDDEN
  35 enum lttng_action_status lttng_action_incr_value_set_tracer_token(
  36                 struct lttng_action *action, uint64_t token);
  37
  38 LTTNG_HIDDEN
  39 uint64_t lttng_action_incr_value_get_tracer_token(
  40                 const struct lttng_action *action);
  41
  42 #endif /* LTTNG_ACTION_INCR_VALUE_INTERNAL_H */