src/common/filter.h

   1 /*
   2  * Copyright (C) 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-only
   5  *
   6  */
   7
   8 #ifndef LTTNG_COMMON_FILTER_H
   9 #define LTTNG_COMMON_FILTER_H
  10
  11 #include <common/sessiond-comm/sessiond-comm.h>
  12
  13 struct bytecode_symbol_iterator;
  14
  15 /*
  16  * Create an iterator on a bytecode's symbols. The iterator points to the
  17  * first element after creation.
  18  */
  19 LTTNG_HIDDEN
  20 struct bytecode_symbol_iterator *bytecode_symbol_iterator_create(
  21                 struct lttng_filter_bytecode *bytecode);
  22
  23 /*
  24  * Advance iterator of one element.
  25  *
  26  * Returns 0 if a next element exists or a negative value at the end.
  27  */
  28 LTTNG_HIDDEN
  29 int bytecode_symbol_iterator_next(struct bytecode_symbol_iterator *it);
  30
  31 LTTNG_HIDDEN
  32 int bytecode_symbol_iterator_get_type(struct bytecode_symbol_iterator *it);
  33
  34 LTTNG_HIDDEN
  35 const char *bytecode_symbol_iterator_get_name(
  36                 struct bytecode_symbol_iterator *it);
  37
  38 LTTNG_HIDDEN
  39 void bytecode_symbol_iterator_destroy(struct bytecode_symbol_iterator *it);
  40
  41 #endif /* LTTNG_COMMON_FILTER_H */