include/lttng/condition/condition.h

   1 /*
   2  * Copyright (C) 2017 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #ifndef LTTNG_CONDITION_H
   9 #define LTTNG_CONDITION_H
  10
  11 #ifdef __cplusplus
  12 extern "C" {
  13 #endif
  14
  15 struct lttng_condition;
  16
  17 enum lttng_condition_type {
  18         LTTNG_CONDITION_TYPE_UNKNOWN = -1,
  19         LTTNG_CONDITION_TYPE_SESSION_CONSUMED_SIZE = 100,
  20         LTTNG_CONDITION_TYPE_BUFFER_USAGE_HIGH = 101,
  21         LTTNG_CONDITION_TYPE_BUFFER_USAGE_LOW = 102,
  22         LTTNG_CONDITION_TYPE_SESSION_ROTATION_ONGOING = 103,
  23         LTTNG_CONDITION_TYPE_SESSION_ROTATION_COMPLETED = 104,
  24         LTTNG_CONDITION_TYPE_ON_EVENT = 105,
  25 };
  26
  27 enum lttng_condition_status {
  28         LTTNG_CONDITION_STATUS_OK = 0,
  29         LTTNG_CONDITION_STATUS_ERROR = -1,
  30         LTTNG_CONDITION_STATUS_UNKNOWN = -2,
  31         LTTNG_CONDITION_STATUS_INVALID = -3,
  32         LTTNG_CONDITION_STATUS_UNSET = -4,
  33         LTTNG_CONDITION_STATUS_UNSUPPORTED = -5,
  34 };
  35
  36 /*
  37  * Get the type of a condition.
  38  *
  39  * Returns the type of a condition on success, LTTNG_CONDITION_TYPE_UNKNOWN on
  40  * error.
  41  */
  42 extern enum lttng_condition_type lttng_condition_get_type(
  43                 const struct lttng_condition *condition);
  44
  45 /*
  46  * Destroy (release) a condition object.
  47  */
  48 extern void lttng_condition_destroy(struct lttng_condition *condition);
  49
  50 #ifdef __cplusplus
  51 }
  52 #endif
  53
  54 #endif /* LTTNG_CONDITION_H */