include/lttng/action/group-internal.h

   1 /*
   2  * Copyright (C) 2019 Simon Marchi <simon.marchi@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #ifndef LTTNG_ACTION_GROUP_INTERNAL_H
   9 #define LTTNG_ACTION_GROUP_INTERNAL_H
  10
  11 #include <sys/types.h>
  12
  13 #include <common/macros.h>
  14
  15 struct lttng_action;
  16 struct lttng_payload_view;
  17
  18 /*
  19  * Create an action group from a payload view.
  20  *
  21  * On success, return the number of bytes consumed from `view`, and the created
  22  * group in `*group`. On failure, return -1.
  23  */
  24 LTTNG_HIDDEN
  25 extern ssize_t lttng_action_group_create_from_payload(
  26                 struct lttng_payload_view *view,
  27                 struct lttng_action **group);
  28
  29 LTTNG_HIDDEN
  30 extern struct lttng_action *lttng_action_group_borrow_mutable_at_index(
  31                 const struct lttng_action *group, unsigned int index);
  32
  33 #endif /* LTTNG_ACTION_GROUP_INTERNAL_H */