include/lttng/condition/evaluation.h

   1 /*
   2  * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
   3  *
   4  * This library is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU Lesser General Public License, version 2.1 only,
   6  * as published by the Free Software Foundation.
   7  *
   8  * This library is distributed in the hope that it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
  11  * for more details.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public License
  14  * along with this library; if not, write to the Free Software Foundation,
  15  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  16  */
  17
  18 #ifndef LTTNG_EVALUATION_H
  19 #define LTTNG_EVALUATION_H
  20
  21 #include <lttng/condition/condition.h>
  22
  23 #ifdef __cplusplus
  24 extern "C" {
  25 #endif
  26
  27 struct lttng_evaluation;
  28
  29 enum lttng_evaluation_status {
  30         LTTNG_EVALUATION_STATUS_OK = 0,
  31         LTTNG_EVALUATION_STATUS_ERROR = -1,
  32         LTTNG_EVALUATION_STATUS_INVALID = -2,
  33         LTTNG_EVALUATION_STATUS_UNKNOWN = -3,
  34         LTTNG_EVALUATION_STATUS_UNSET = -4,
  35 };
  36
  37 /*
  38  * Get the condition type associated with an evaluation.
  39  *
  40  * Returns the type of a condition on success, LTTNG_CONDITION_TYPE_UNKNOWN on
  41  * error.
  42  */
  43 extern enum lttng_condition_type lttng_evaluation_get_type(
  44                 const struct lttng_evaluation *evaluation);
  45
  46 /*
  47  * Destroy (frees) an evaluation object.
  48  */
  49 extern void lttng_evaluation_destroy(struct lttng_evaluation *evaluation);
  50
  51 #ifdef __cplusplus
  52 }
  53 #endif
  54
  55 #endif /* LTTNG_EVALUATION_H */