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 };
  25
  26 enum lttng_condition_status {
  27         LTTNG_CONDITION_STATUS_OK = 0,
  28         LTTNG_CONDITION_STATUS_ERROR = -1,
  29         LTTNG_CONDITION_STATUS_UNKNOWN = -2,
  30         LTTNG_CONDITION_STATUS_INVALID = -3,
  31         LTTNG_CONDITION_STATUS_UNSET = -4,
  32 };
  33
  34 /*
  35  * Get the type of a condition.
  36  *
  37  * Returns the type of a condition on success, LTTNG_CONDITION_TYPE_UNKNOWN on
  38  * error.
  39  */
  40 extern enum lttng_condition_type lttng_condition_get_type(
  41                 const struct lttng_condition *condition);
  42
  43 /*
  44  * Destroy (release) a condition object.
  45  */
  46 extern void lttng_condition_destroy(struct lttng_condition *condition);
  47
  48 #ifdef __cplusplus
  49 }
  50 #endif
  51
  52 #endif /* LTTNG_CONDITION_H */