include/lttng/event-internal.h

   1 /*
   2  * event-internal.h
   3  *
   4  * Linux Trace Toolkit Control Library
   5  *
   6  * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
   7  *
   8  * This library is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU Lesser General Public License, version 2.1 only,
  10  * as published by the Free Software Foundation.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public License
  18  * along with this library; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #ifndef LTTNG_EVENT_INTERNAL_H
  23 #define LTTNG_EVENT_INTERNAL_H
  24
  25 struct lttng_userspace_probe_location;
  26
  27 struct lttng_event_extended {
  28         /*
  29          * exclusions and filter_expression are only set when the lttng_event
  30          * was created/allocated by a list operation. These two elements must
  31          * not be free'd as they are part of the same contiguous buffer that
  32          * contains all events returned by the listing.
  33          */
  34         char *filter_expression;
  35         struct {
  36                 unsigned int count;
  37                 /* Array of strings of fixed LTTNG_SYMBOL_NAME_LEN length. */
  38                 char *strings;
  39         } exclusions;
  40         struct lttng_userspace_probe_location *probe_location;
  41 };
  42
  43 #endif /* LTTNG_EVENT_INTERNAL_H */